toybox: lib/lib.c annotate

annotate lib/lib.c @ 1399:a0c328bc2c14 draft

Little endian and big endian versions of peek (for host.c).

author	Rob Landley <rob@landley.net>
date	Mon, 21 Jul 2014 19:56:53 -0500
parents	9dbfd5390b92
children	d7be3d62a5cb

rev	line source
951 62d59b8aea34 Split lib/xwrap.c from lib/lib.c Rob Landley <rob@landley.net> parents: 949 diff changeset	1 /* lib.c - various reusable stuff.
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	2 *
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	3 * Copyright 2006 Rob Landley <rob@landley.net>
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: diff changeset	4 */
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: diff changeset	5
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: diff changeset	6 #include "toys.h"
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: diff changeset	7
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	8 void verror_msg(char *msg, int err, va_list va)
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	9 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	10 char *s = ": %s";
245 67a0839bda77 Teach perror_exit() to take a NULL argument when we just want "command: error". Rob Landley <rob@landley.net> parents: 234 diff changeset	11
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	12 fprintf(stderr, "%s: ", toys.which->name);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	13 if (msg) vfprintf(stderr, msg, va);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	14 else s+=2;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	15 if (err) fprintf(stderr, s, strerror(err));
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	16 putc('\n', stderr);
780 6cc69be43c42 Have error_msg() and friends set TT.exitval to 1 if it's still 0, clean out other places that were setting it that no longer need to. Rob Landley <rob@landley.net> parents: 762 diff changeset	17 if (!toys.exitval) toys.exitval++;
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	18 }
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	19
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	20 void error_msg(char *msg, ...)
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	21 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	22 va_list va;
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	23
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	24 va_start(va, msg);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	25 verror_msg(msg, 0, va);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	26 va_end(va);
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	27 }
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	28
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	29 void perror_msg(char *msg, ...)
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	30 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	31 va_list va;
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	32
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	33 va_start(va, msg);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	34 verror_msg(msg, errno, va);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	35 va_end(va);
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	36 }
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	37
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: diff changeset	38 // Die with an error message.
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: diff changeset	39 void error_exit(char *msg, ...)
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: diff changeset	40 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	41 va_list va;
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	42
858 34ac05521d94 Move guts of help command into show_help() in lib/help.c, with config TOYBOX_HELP controlling infrastructure. Rob Landley <rob@landley.net> parents: 798 diff changeset	43 if (CFG_TOYBOX_HELP && toys.exithelp) show_help();
144 1fbc50374a30 Promote help to global config option, teach error_exit() to output usage message when called Rob Landley <rob@landley.net> parents: 143 diff changeset	44
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	45 va_start(va, msg);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	46 verror_msg(msg, 0, va);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	47 va_end(va);
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	48
925 07693eb46e26 Add xexit() and make error_exit() use it. Rob Landley <rob@landley.net> parents: 916 diff changeset	49 xexit();
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	50 }
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: diff changeset	51
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	52 // Die with an error message and strerror(errno)
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	53 void perror_exit(char *msg, ...)
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	54 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	55 va_list va;
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	56
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	57 va_start(va, msg);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	58 verror_msg(msg, errno, va);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	59 va_end(va);
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	60
925 07693eb46e26 Add xexit() and make error_exit() use it. Rob Landley <rob@landley.net> parents: 916 diff changeset	61 xexit();
2 67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: diff changeset	62 }
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df. landley@driftwood parents: diff changeset	63
63 69efffcacd70 Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which Rob Landley <rob@landley.net> parents: 53 diff changeset	64 // Keep reading until full or EOF
69efffcacd70 Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which Rob Landley <rob@landley.net> parents: 53 diff changeset	65 ssize_t readall(int fd, void *buf, size_t len)
50 63c168b65fa6 Add rewrite(), writeall(),and xwrite() to match the read versions. Rob Landley <rob@landley.net> parents: 49 diff changeset	66 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	67 size_t count = 0;
309 79a61cd58596 Bug spotted by Roberto Foglietta: at EOF readall() should return count, not len. Rob Landley <rob@landley.net> parents: 308 diff changeset	68
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	69 while (count<len) {
1141 37cbbbe547a3 Doing math on void pointers isn't portable, reported by Nathan McSween. Rob Landley <rob@landley.net> parents: 1131 diff changeset	70 int i = read(fd, (char *)buf+count, len-count);
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	71 if (!i) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	72 if (i<0) return i;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	73 count += i;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	74 }
8 04f66da2bdbf Add reread(), readall(), and xread() on the bus ride in to work... landley@driftwood parents: 7 diff changeset	75
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	76 return count;
8 04f66da2bdbf Add reread(), readall(), and xread() on the bus ride in to work... landley@driftwood parents: 7 diff changeset	77 }
04f66da2bdbf Add reread(), readall(), and xread() on the bus ride in to work... landley@driftwood parents: 7 diff changeset	78
50 63c168b65fa6 Add rewrite(), writeall(),and xwrite() to match the read versions. Rob Landley <rob@landley.net> parents: 49 diff changeset	79 // Keep writing until done or EOF
63 69efffcacd70 Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which Rob Landley <rob@landley.net> parents: 53 diff changeset	80 ssize_t writeall(int fd, void *buf, size_t len)
50 63c168b65fa6 Add rewrite(), writeall(),and xwrite() to match the read versions. Rob Landley <rob@landley.net> parents: 49 diff changeset	81 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	82 size_t count = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	83 while (count<len) {
1202 4f080cdb2f6e Various cleanups found by Tom Sparrow's static analysis. Rob Landley <rob@landley.net> parents: 1145 diff changeset	84 int i = write(fd, count+(char *)buf, len-count);
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	85 if (i<1) return i;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	86 count += i;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	87 }
50 63c168b65fa6 Add rewrite(), writeall(),and xwrite() to match the read versions. Rob Landley <rob@landley.net> parents: 49 diff changeset	88
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	89 return count;
50 63c168b65fa6 Add rewrite(), writeall(),and xwrite() to match the read versions. Rob Landley <rob@landley.net> parents: 49 diff changeset	90 }
63c168b65fa6 Add rewrite(), writeall(),and xwrite() to match the read versions. Rob Landley <rob@landley.net> parents: 49 diff changeset	91
1070 16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	92 // skip this many bytes of input. Return 0 for success, >0 means this much
16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	93 // left after input skipped.
623 f51beec92738 New infrastructure for od (oops). Rob Landley <rob@landley.net> parents: 615 diff changeset	94 off_t lskip(int fd, off_t offset)
f51beec92738 New infrastructure for od (oops). Rob Landley <rob@landley.net> parents: 615 diff changeset	95 {
1070 16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	96 off_t cur = lseek(fd, 0, SEEK_CUR);
16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	97
16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	98 if (cur != -1) {
16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	99 off_t end = lseek(fd, 0, SEEK_END) - cur;
623 f51beec92738 New infrastructure for od (oops). Rob Landley <rob@landley.net> parents: 615 diff changeset	100
1070 16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	101 if (end > 0 && end < offset) return offset - end;
16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	102 end = offset+cur;
16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	103 if (end == lseek(fd, end, SEEK_SET)) return 0;
16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	104 perror_exit("lseek");
16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	105 }
623 f51beec92738 New infrastructure for od (oops). Rob Landley <rob@landley.net> parents: 615 diff changeset	106
1070 16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	107 while (offset>0) {
16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	108 int try = offset>sizeof(libbuf) ? sizeof(libbuf) : offset, or;
623 f51beec92738 New infrastructure for od (oops). Rob Landley <rob@landley.net> parents: 615 diff changeset	109
1070 16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	110 or = readall(fd, libbuf, try);
16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	111 if (or < 0) perror_exit("lskip to %lld", (long long)offset);
1212 86745958cea9 Fix another bug reported by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 1202 diff changeset	112 else offset -= or;
1070 16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	113 if (or < try) break;
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	114 }
1070 16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	115
16167a7c1b5a Fix -t c0 and -J as reported by heehooman at gmail on the list. Rob Landley <rob@landley.net> parents: 1043 diff changeset	116 return offset;
623 f51beec92738 New infrastructure for od (oops). Rob Landley <rob@landley.net> parents: 615 diff changeset	117 }
f51beec92738 New infrastructure for od (oops). Rob Landley <rob@landley.net> parents: 615 diff changeset	118
1219 468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	119 // flags: 1=make last dir (with mode lastmode, otherwise skips last component)
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	120 // 2=make path (already exists is ok)
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	121 // 4=verbose
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	122 // returns 0 = path ok, 1 = error
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	123 int mkpathat(int atfd, char *dir, mode_t lastmode, int flags)
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	124 {
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	125 struct stat buf;
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	126 char *s;
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	127
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	128 // mkdir -p one/two/three is not an error if the path already exists,
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	129 // but is if "three" is a file. The others we dereference and catch
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	130 // not-a-directory along the way, but the last one we must explicitly
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	131 // test for. Might as well do it up front.
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	132
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	133 if (!fstatat(atfd, dir, &buf, 0) && !S_ISDIR(buf.st_mode)) {
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	134 errno = EEXIST;
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	135 return 1;
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	136 }
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	137
1226 e1b09affb6db Fix mkdir -p with absolute paths. Rob Landley <rob@landley.net> parents: 1219 diff changeset	138 for (s = dir; ;s++) {
1219 468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	139 char save = 0;
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	140 mode_t mode = (0777&~toys.old_umask)\|0300;
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	141
1226 e1b09affb6db Fix mkdir -p with absolute paths. Rob Landley <rob@landley.net> parents: 1219 diff changeset	142 // find next '/', but don't try to mkdir "" at start of absolute path
e1b09affb6db Fix mkdir -p with absolute paths. Rob Landley <rob@landley.net> parents: 1219 diff changeset	143 if (*s == '/' && (flags&2) && s != dir) {
1219 468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	144 save = *s;
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	145 *s = 0;
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	146 } else if (*s) continue;
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	147
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	148 // Use the mode from the -m option only for the last directory.
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	149 if (!save) {
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	150 if (flags&1) mode = lastmode;
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	151 else break;
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	152 }
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	153
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	154 if (mkdirat(atfd, dir, mode)) {
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	155 if (!(flags&2) \|\| errno != EEXIST) return 1;
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	156 } else if (flags&4)
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	157 fprintf(stderr, "%s: created directory '%s'\n", toys.which->name, dir);
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	158
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	159 if (!(*s = save)) break;
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	160 }
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	161
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	162 return 0;
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	163 }
468444e5c7c5 Move mkpathat to lib, remove redundant function used by patch. Rob Landley <rob@landley.net> parents: 1218 diff changeset	164
708 50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	165 // Split a path into linked list of components, tracking head and tail of list.
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	166 // Filters out // entries with no contents.
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	167 struct string_list *splitpath(char path, struct string_list **list)
4 732b055e17f7 Add xmsprintf(), xgetcwd(), xgetcwd(), find_in_path(). landley@driftwood parents: 3 diff changeset	168 {
708 50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	169 char *new = path;
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	170
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	171 *list = 0;
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	172 do {
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	173 int len;
16 dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path(). Rob Landley <rob@landley.net> parents: 8 diff changeset	174
708 50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	175 if (path && path != '/') continue;
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	176 len = path-new;
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	177 if (len > 0) {
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	178 *list = xmalloc(sizeof(struct string_list) + len + 1);
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	179 (*list)->next = 0;
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	180 strncpy((*list)->str, new, len);
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	181 (*list)->str[len] = 0;
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	182 list = &(*list)->next;
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	183 }
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	184 new = path+1;
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	185 } while (*path++);
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	186
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	187 return list;
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	188 }
50d759f8b371 Remove readlink -m for being poorly defined ("readlink -m /dev/null/and/more" answers what question, exactly?), rewrite xabspath() to work right and not depend on realpath, fix subtle longstanding bug in llist_traverse(). Rob Landley <rob@landley.net> parents: 707 diff changeset	189
20 3981c96f9285 Implement which. Add hello world to menuconfig. Wrap the various applet main Rob Landley <rob@landley.net> parents: 16 diff changeset	190 // Find all file in a colon-separated path with access type "type" (generally
3981c96f9285 Implement which. Add hello world to menuconfig. Wrap the various applet main Rob Landley <rob@landley.net> parents: 16 diff changeset	191 // X_OK or R_OK). Returns a list of absolute paths to each file found, in
3981c96f9285 Implement which. Add hello world to menuconfig. Wrap the various applet main Rob Landley <rob@landley.net> parents: 16 diff changeset	192 // order.
16 dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path(). Rob Landley <rob@landley.net> parents: 8 diff changeset	193
20 3981c96f9285 Implement which. Add hello world to menuconfig. Wrap the various applet main Rob Landley <rob@landley.net> parents: 16 diff changeset	194 struct string_list find_in_path(char path, char *filename)
16 dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path(). Rob Landley <rob@landley.net> parents: 8 diff changeset	195 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	196 struct string_list rlist = NULL, *prlist=&rlist;
1360 46f068aaa480 find_in_path() is supposed to work with a NULL path, but didn't. Fix it. Rob Landley <rob@landley.net> parents: 1345 diff changeset	197 char *cwd;
46f068aaa480 find_in_path() is supposed to work with a NULL path, but didn't. Fix it. Rob Landley <rob@landley.net> parents: 1345 diff changeset	198
46f068aaa480 find_in_path() is supposed to work with a NULL path, but didn't. Fix it. Rob Landley <rob@landley.net> parents: 1345 diff changeset	199 if (!path) return 0;
16 dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path(). Rob Landley <rob@landley.net> parents: 8 diff changeset	200
1360 46f068aaa480 find_in_path() is supposed to work with a NULL path, but didn't. Fix it. Rob Landley <rob@landley.net> parents: 1345 diff changeset	201 cwd = xgetcwd();
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	202 for (;;) {
1360 46f068aaa480 find_in_path() is supposed to work with a NULL path, but didn't. Fix it. Rob Landley <rob@landley.net> parents: 1345 diff changeset	203 char *next = strchr(path, ':');
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	204 int len = next ? next-path : strlen(path);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	205 struct string_list *rnext;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	206 struct stat st;
16 dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path(). Rob Landley <rob@landley.net> parents: 8 diff changeset	207
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	208 rnext = xmalloc(sizeof(void *) + strlen(filename)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	209 + (len ? len : strlen(cwd)) + 2);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	210 if (!len) sprintf(rnext->str, "%s/%s", cwd, filename);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	211 else {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	212 char *res = rnext->str;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	213 strncpy(res, path, len);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	214 res += len;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	215 *(res++) = '/';
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	216 strcpy(res, filename);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	217 }
16 dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path(). Rob Landley <rob@landley.net> parents: 8 diff changeset	218
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	219 // Confirm it's not a directory.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	220 if (!stat(rnext->str, &st) && S_ISREG(st.st_mode)) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	221 *prlist = rnext;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	222 rnext->next = NULL;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	223 prlist = &(rnext->next);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	224 } else free(rnext);
16 dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path(). Rob Landley <rob@landley.net> parents: 8 diff changeset	225
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	226 if (!next) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	227 path += len;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	228 path++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	229 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	230 free(cwd);
4 732b055e17f7 Add xmsprintf(), xgetcwd(), xgetcwd(), find_in_path(). landley@driftwood parents: 3 diff changeset	231
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	232 return rlist;
4 732b055e17f7 Add xmsprintf(), xgetcwd(), xgetcwd(), find_in_path(). landley@driftwood parents: 3 diff changeset	233 }
7 fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices. landley@driftwood parents: 4 diff changeset	234
102 aa4fa2543a65 Add atolx() which understands extensions for kilobytes and megabytes and such. Rob Landley <rob@landley.net> parents: 97 diff changeset	235 // atol() with the kilo/mega/giga/tera/peta/exa extensions.
aa4fa2543a65 Add atolx() which understands extensions for kilobytes and megabytes and such. Rob Landley <rob@landley.net> parents: 97 diff changeset	236 // (zetta and yotta don't fit in 64 bits.)
443 41b5ac08208f Make atolx() error_exit() if fed a string that doesn't convert entirely into an integer. Rob Landley <rob@landley.net> parents: 419 diff changeset	237 long atolx(char *numstr)
102 aa4fa2543a65 Add atolx() which understands extensions for kilobytes and megabytes and such. Rob Landley <rob@landley.net> parents: 97 diff changeset	238 {
1394 9dbfd5390b92 find needs "c" suffix to -size. Rob Landley <rob@landley.net> parents: 1360 diff changeset	239 char c, suffixes="cbkmgtpe", *end;
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	240 long val = strtol(numstr, &c, 0);
102 aa4fa2543a65 Add atolx() which understands extensions for kilobytes and megabytes and such. Rob Landley <rob@landley.net> parents: 97 diff changeset	241
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	242 if (*c) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	243 if (c != numstr && (end = strchr(suffixes, tolower(*c)))) {
1394 9dbfd5390b92 find needs "c" suffix to -size. Rob Landley <rob@landley.net> parents: 1360 diff changeset	244 int shift = end-suffixes-2;
9dbfd5390b92 find needs "c" suffix to -size. Rob Landley <rob@landley.net> parents: 1360 diff changeset	245 if (shift >= 0) val = 1024L<<(shift10);
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	246 } else {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	247 while (isspace(*c)) c++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	248 if (*c) error_exit("not integer: %s", numstr);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	249 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	250 }
397 b7afbc6b753a Forgot to check in loopfiles_rw changes needed by truncate. Rob Landley <rob@landley.net> parents: 379 diff changeset	251
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	252 return val;
102 aa4fa2543a65 Add atolx() which understands extensions for kilobytes and megabytes and such. Rob Landley <rob@landley.net> parents: 97 diff changeset	253 }
aa4fa2543a65 Add atolx() which understands extensions for kilobytes and megabytes and such. Rob Landley <rob@landley.net> parents: 97 diff changeset	254
1131 f9678ea553c8 Oops, cleaned up ifconfig uses atolx_range() instead of get_int_list(). Check that in. Rob Landley <rob@landley.net> parents: 1108 diff changeset	255 long atolx_range(char *numstr, long low, long high)
f9678ea553c8 Oops, cleaned up ifconfig uses atolx_range() instead of get_int_list(). Check that in. Rob Landley <rob@landley.net> parents: 1108 diff changeset	256 {
f9678ea553c8 Oops, cleaned up ifconfig uses atolx_range() instead of get_int_list(). Check that in. Rob Landley <rob@landley.net> parents: 1108 diff changeset	257 long val = atolx(numstr);
f9678ea553c8 Oops, cleaned up ifconfig uses atolx_range() instead of get_int_list(). Check that in. Rob Landley <rob@landley.net> parents: 1108 diff changeset	258
f9678ea553c8 Oops, cleaned up ifconfig uses atolx_range() instead of get_int_list(). Check that in. Rob Landley <rob@landley.net> parents: 1108 diff changeset	259 if (val < low) error_exit("%ld < %ld", val, low);
f9678ea553c8 Oops, cleaned up ifconfig uses atolx_range() instead of get_int_list(). Check that in. Rob Landley <rob@landley.net> parents: 1108 diff changeset	260 if (val > high) error_exit("%ld > %ld", val, high);
f9678ea553c8 Oops, cleaned up ifconfig uses atolx_range() instead of get_int_list(). Check that in. Rob Landley <rob@landley.net> parents: 1108 diff changeset	261
f9678ea553c8 Oops, cleaned up ifconfig uses atolx_range() instead of get_int_list(). Check that in. Rob Landley <rob@landley.net> parents: 1108 diff changeset	262 return val;
f9678ea553c8 Oops, cleaned up ifconfig uses atolx_range() instead of get_int_list(). Check that in. Rob Landley <rob@landley.net> parents: 1108 diff changeset	263 }
f9678ea553c8 Oops, cleaned up ifconfig uses atolx_range() instead of get_int_list(). Check that in. Rob Landley <rob@landley.net> parents: 1108 diff changeset	264
565 44abf4d901f3 Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.) Rob Landley <rob@landley.net> parents: 554 diff changeset	265 int numlen(long l)
44abf4d901f3 Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.) Rob Landley <rob@landley.net> parents: 554 diff changeset	266 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	267 int len = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	268 while (l) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	269 l /= 10;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	270 len++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	271 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	272 return len;
565 44abf4d901f3 Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.) Rob Landley <rob@landley.net> parents: 554 diff changeset	273 }
44abf4d901f3 Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.) Rob Landley <rob@landley.net> parents: 554 diff changeset	274
623 f51beec92738 New infrastructure for od (oops). Rob Landley <rob@landley.net> parents: 615 diff changeset	275 int stridx(char *haystack, char needle)
f51beec92738 New infrastructure for od (oops). Rob Landley <rob@landley.net> parents: 615 diff changeset	276 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	277 char *off;
623 f51beec92738 New infrastructure for od (oops). Rob Landley <rob@landley.net> parents: 615 diff changeset	278
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	279 if (!needle) return -1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	280 off = strchr(haystack, needle);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	281 if (!off) return -1;
623 f51beec92738 New infrastructure for od (oops). Rob Landley <rob@landley.net> parents: 615 diff changeset	282
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	283 return off-haystack;
623 f51beec92738 New infrastructure for od (oops). Rob Landley <rob@landley.net> parents: 615 diff changeset	284 }
f51beec92738 New infrastructure for od (oops). Rob Landley <rob@landley.net> parents: 615 diff changeset	285
1345 b7598d21ca10 Forgot to check in strstart(). Rob Landley <rob@landley.net> parents: 1299 diff changeset	286 // If a starts with b, advance a past it and return 1, else return 0;
b7598d21ca10 Forgot to check in strstart(). Rob Landley <rob@landley.net> parents: 1299 diff changeset	287 int strstart(char *a, char b)
b7598d21ca10 Forgot to check in strstart(). Rob Landley <rob@landley.net> parents: 1299 diff changeset	288 {
b7598d21ca10 Forgot to check in strstart(). Rob Landley <rob@landley.net> parents: 1299 diff changeset	289 int len = strlen(b), i = !strncmp(*a, b, len);
b7598d21ca10 Forgot to check in strstart(). Rob Landley <rob@landley.net> parents: 1299 diff changeset	290
b7598d21ca10 Forgot to check in strstart(). Rob Landley <rob@landley.net> parents: 1299 diff changeset	291 if (i) *a += len;
b7598d21ca10 Forgot to check in strstart(). Rob Landley <rob@landley.net> parents: 1299 diff changeset	292
b7598d21ca10 Forgot to check in strstart(). Rob Landley <rob@landley.net> parents: 1299 diff changeset	293 return i;
b7598d21ca10 Forgot to check in strstart(). Rob Landley <rob@landley.net> parents: 1299 diff changeset	294 }
b7598d21ca10 Forgot to check in strstart(). Rob Landley <rob@landley.net> parents: 1299 diff changeset	295
53 41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	296 // Return how long the file at fd is, if there's any way to determine it.
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	297 off_t fdlength(int fd)
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	298 {
992 910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	299 struct stat st;
910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	300 off_t base = 0, range = 1, expand = 1, old;
910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	301
910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	302 if (!fstat(fd, &st) && S_ISREG(st.st_mode)) return st.st_size;
53 41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	303
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	304 // If the ioctl works for this, return it.
992 910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	305 // TODO: is blocksize still always 512, or do we stat for it?
910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	306 // unsigned int size;
910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	307 // if (ioctl(fd, BLKGETSIZE, &size) >= 0) return size*512L;
53 41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	308
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	309 // If not, do a binary search for the last location we can read. (Some
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	310 // block devices don't do BLKGETSIZE right.) This should probably have
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	311 // a CONFIG option...
53 41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	312
992 910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	313 // If not, do a binary search for the last location we can read.
910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	314
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	315 old = lseek(fd, 0, SEEK_CUR);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	316 do {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	317 char temp;
992 910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	318 off_t pos = base + range / 2;
53 41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	319
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	320 if (lseek(fd, pos, 0)>=0 && read(fd, &temp, 1)==1) {
992 910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	321 off_t delta = (pos + 1) - base;
53 41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	322
992 910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	323 base += delta;
910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	324 if (expand) range = (expand <<= 1) - base;
910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	325 else range -= delta;
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	326 } else {
992 910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	327 expand = 0;
910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	328 range = pos - base;
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	329 }
992 910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	330 } while (range > 0);
53 41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	331
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	332 lseek(fd, old, SEEK_SET);
310 8b8116214b1c Roberto Foglietta pointed out that readall() needs fdlength() to restore Rob Landley <rob@landley.net> parents: 309 diff changeset	333
992 910f35ff76be Achille Fouilleul pointed out that fdlength wasn't returning the right length in the binary search case. Rob Landley <rob@landley.net> parents: 951 diff changeset	334 return base;
53 41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	335 }
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	336
1043 acf7bb2b99e2 Introduce libbuf analogous to toybuf but for use by lib/.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL. Rob Landley <rob@landley.net>* parents: 1042 diff changeset	337 // Read contents of file as a single nul-terminated string.
acf7bb2b99e2 Introduce libbuf analogous to toybuf but for use by lib/.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL. Rob Landley <rob@landley.net>* parents: 1042 diff changeset	338 // malloc new one if buf=len=0
1273 79e847fec774 In function readfile(), the buffer buf is free'd when readall() fails. This free can cause a crash, if the buffer passed by user of function is not malloc'ed one. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1226 diff changeset	339 char readfile(char name, char *ibuf, off_t len)
53 41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	340 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	341 int fd;
1273 79e847fec774 In function readfile(), the buffer buf is free'd when readall() fails. This free can cause a crash, if the buffer passed by user of function is not malloc'ed one. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1226 diff changeset	342 char *buf;
53 41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	343
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	344 fd = open(name, O_RDONLY);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	345 if (fd == -1) return 0;
1043 acf7bb2b99e2 Introduce libbuf analogous to toybuf but for use by lib/.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL. Rob Landley <rob@landley.net>* parents: 1042 diff changeset	346
acf7bb2b99e2 Introduce libbuf analogous to toybuf but for use by lib/.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL. Rob Landley <rob@landley.net>* parents: 1042 diff changeset	347 if (len<1) {
acf7bb2b99e2 Introduce libbuf analogous to toybuf but for use by lib/.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL. Rob Landley <rob@landley.net>* parents: 1042 diff changeset	348 len = fdlength(fd);
acf7bb2b99e2 Introduce libbuf analogous to toybuf but for use by lib/.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL. Rob Landley <rob@landley.net>* parents: 1042 diff changeset	349 // proc files don't report a length, so try 1 page minimum.
acf7bb2b99e2 Introduce libbuf analogous to toybuf but for use by lib/.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL. Rob Landley <rob@landley.net>* parents: 1042 diff changeset	350 if (len<4096) len = 4096;
acf7bb2b99e2 Introduce libbuf analogous to toybuf but for use by lib/.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL. Rob Landley <rob@landley.net>* parents: 1042 diff changeset	351 }
1273 79e847fec774 In function readfile(), the buffer buf is free'd when readall() fails. This free can cause a crash, if the buffer passed by user of function is not malloc'ed one. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1226 diff changeset	352 if (!ibuf) buf = xmalloc(len+1);
79e847fec774 In function readfile(), the buffer buf is free'd when readall() fails. This free can cause a crash, if the buffer passed by user of function is not malloc'ed one. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1226 diff changeset	353 else buf = ibuf;
1043 acf7bb2b99e2 Introduce libbuf analogous to toybuf but for use by lib/.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL. Rob Landley <rob@landley.net>* parents: 1042 diff changeset	354
acf7bb2b99e2 Introduce libbuf analogous to toybuf but for use by lib/.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL. Rob Landley <rob@landley.net>* parents: 1042 diff changeset	355 len = readall(fd, buf, len-1);
acf7bb2b99e2 Introduce libbuf analogous to toybuf but for use by lib/.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL. Rob Landley <rob@landley.net>* parents: 1042 diff changeset	356 close(fd);
acf7bb2b99e2 Introduce libbuf analogous to toybuf but for use by lib/.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL. Rob Landley <rob@landley.net>* parents: 1042 diff changeset	357 if (len<0) {
1273 79e847fec774 In function readfile(), the buffer buf is free'd when readall() fails. This free can cause a crash, if the buffer passed by user of function is not malloc'ed one. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1226 diff changeset	358 if (ibuf != buf) free(buf);
1043 acf7bb2b99e2 Introduce libbuf analogous to toybuf but for use by lib/.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL. Rob Landley <rob@landley.net>* parents: 1042 diff changeset	359 buf = 0;
acf7bb2b99e2 Introduce libbuf analogous to toybuf but for use by lib/.c. Change readfile() semantics to be able to read into an existing buffer, or malloc its own if that's NULL. Rob Landley <rob@landley.net>* parents: 1042 diff changeset	360 } else buf[len] = 0;
53 41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	361
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	362 return buf;
53 41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	363 }
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on. Rob Landley <rob@landley.net> parents: 52 diff changeset	364
883 aca8323e2690 Add posix headers to toynet.h, move xioctl() to lib.c, introduce lib/net.c and move xsocket() to it. Rob Landley <rob@landley.net> parents: 870 diff changeset	365 // Sleep for this many thousandths of a second
aca8323e2690 Add posix headers to toynet.h, move xioctl() to lib.c, introduce lib/net.c and move xsocket() to it. Rob Landley <rob@landley.net> parents: 870 diff changeset	366 void msleep(long miliseconds)
aca8323e2690 Add posix headers to toynet.h, move xioctl() to lib.c, introduce lib/net.c and move xsocket() to it. Rob Landley <rob@landley.net> parents: 870 diff changeset	367 {
aca8323e2690 Add posix headers to toynet.h, move xioctl() to lib.c, introduce lib/net.c and move xsocket() to it. Rob Landley <rob@landley.net> parents: 870 diff changeset	368 struct timespec ts;
aca8323e2690 Add posix headers to toynet.h, move xioctl() to lib.c, introduce lib/net.c and move xsocket() to it. Rob Landley <rob@landley.net> parents: 870 diff changeset	369
aca8323e2690 Add posix headers to toynet.h, move xioctl() to lib.c, introduce lib/net.c and move xsocket() to it. Rob Landley <rob@landley.net> parents: 870 diff changeset	370 ts.tv_sec = miliseconds/1000;
aca8323e2690 Add posix headers to toynet.h, move xioctl() to lib.c, introduce lib/net.c and move xsocket() to it. Rob Landley <rob@landley.net> parents: 870 diff changeset	371 ts.tv_nsec = (miliseconds%1000)*1000000;
aca8323e2690 Add posix headers to toynet.h, move xioctl() to lib.c, introduce lib/net.c and move xsocket() to it. Rob Landley <rob@landley.net> parents: 870 diff changeset	372 nanosleep(&ts, &ts);
aca8323e2690 Add posix headers to toynet.h, move xioctl() to lib.c, introduce lib/net.c and move xsocket() to it. Rob Landley <rob@landley.net> parents: 870 diff changeset	373 }
aca8323e2690 Add posix headers to toynet.h, move xioctl() to lib.c, introduce lib/net.c and move xsocket() to it. Rob Landley <rob@landley.net> parents: 870 diff changeset	374
1399 a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	375 // Inefficient, but deals with unaligned access
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	376 int64_t peek_le(void *ptr, unsigned size)
913 7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	377 {
1399 a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	378 int64_t ret = 0;
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	379 char *c = ptr;
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	380 int i;
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	381
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	382 for (i=0; i<size; i++) ret \|= ((int64_t)c[i])<<i;
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	383
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	384 return ret;
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	385 }
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	386
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	387 int64_t peek_be(void *ptr, unsigned size)
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	388 {
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	389 int64_t ret = 0;
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	390 char *c = ptr;
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	391
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	392 while (size--) ret = (ret<<8)\|c[size];
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	393
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	394 return ret;
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	395 }
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	396
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	397 int64_t peek(void *ptr, unsigned size)
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	398 {
a0c328bc2c14 Little endian and big endian versions of peek (for host.c). Rob Landley <rob@landley.net> parents: 1394 diff changeset	399 return IS_BIG_ENDIAN ? peek_be(ptr, size) : peek_le(ptr, size);
913 7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	400 }
7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	401
7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	402 void poke(void *ptr, uint64_t val, int size)
7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	403 {
7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	404 if (size & 8) {
1218 fba5d8d3905c Add "volatile" annotation to peek/poke to stop potential optimizer overreach. Rob Landley <rob@landley.net> parents: 1212 diff changeset	405 volatile uint64_t p = (uint64_t )ptr;
913 7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	406 *p = val;
7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	407 } else if (size & 4) {
1218 fba5d8d3905c Add "volatile" annotation to peek/poke to stop potential optimizer overreach. Rob Landley <rob@landley.net> parents: 1212 diff changeset	408 volatile int p = (int )ptr;
913 7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	409 *p = val;
7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	410 } else if (size & 2) {
1218 fba5d8d3905c Add "volatile" annotation to peek/poke to stop potential optimizer overreach. Rob Landley <rob@landley.net> parents: 1212 diff changeset	411 volatile short p = (short )ptr;
913 7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	412 *p = val;
7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	413 } else {
1218 fba5d8d3905c Add "volatile" annotation to peek/poke to stop potential optimizer overreach. Rob Landley <rob@landley.net> parents: 1212 diff changeset	414 volatile char p = (char )ptr;
913 7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	415 *p = val;
7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	416 }
7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	417 }
7fed25030389 Enable readfile() and add peek() and poke() functions. Rob Landley <rob@landley.net> parents: 904 diff changeset	418
308 52600eee8dd6 Add "tee" command. Rob Landley <rob@landley.net> parents: 295 diff changeset	419 // Iterate through an array of files, opening each one and calling a function
52600eee8dd6 Add "tee" command. Rob Landley <rob@landley.net> parents: 295 diff changeset	420 // on that filehandle and name. The special filename "-" means stdin if
52600eee8dd6 Add "tee" command. Rob Landley <rob@landley.net> parents: 295 diff changeset	421 // flags is O_RDONLY, stdout otherwise. An empty argument list calls
52600eee8dd6 Add "tee" command. Rob Landley <rob@landley.net> parents: 295 diff changeset	422 // function() on just stdin/stdout.
52600eee8dd6 Add "tee" command. Rob Landley <rob@landley.net> parents: 295 diff changeset	423 //
52600eee8dd6 Add "tee" command. Rob Landley <rob@landley.net> parents: 295 diff changeset	424 // Note: read only filehandles are automatically closed when function()
52600eee8dd6 Add "tee" command. Rob Landley <rob@landley.net> parents: 295 diff changeset	425 // returns, but writeable filehandles must be close by function()
397 b7afbc6b753a Forgot to check in loopfiles_rw changes needed by truncate. Rob Landley <rob@landley.net> parents: 379 diff changeset	426 void loopfiles_rw(char **argv, int flags, int permissions, int failok,
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	427 void (function)(int fd, char name))
185 29e2051296fd Add loopfiles() function, make catv use it. Rob Landley <rob@landley.net> parents: 167 diff changeset	428 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	429 int fd;
185 29e2051296fd Add loopfiles() function, make catv use it. Rob Landley <rob@landley.net> parents: 167 diff changeset	430
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	431 // If no arguments, read from stdin.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	432 if (!*argv) function(flags ? 1 : 0, "-");
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	433 else do {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	434 // Filename "-" means read from stdin.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	435 // Inability to open a file prints a warning, but doesn't exit.
185 29e2051296fd Add loopfiles() function, make catv use it. Rob Landley <rob@landley.net> parents: 167 diff changeset	436
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	437 if (!strcmp(*argv,"-")) fd=0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	438 else if (0>(fd = open(*argv, flags, permissions)) && !failok) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	439 perror_msg("%s", *argv);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	440 toys.exitval = 1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	441 continue;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	442 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	443 function(fd, *argv);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	444 if (flags == O_RDONLY) close(fd);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	445 } while (*++argv);
185 29e2051296fd Add loopfiles() function, make catv use it. Rob Landley <rob@landley.net> parents: 167 diff changeset	446 }
201 5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	447
397 b7afbc6b753a Forgot to check in loopfiles_rw changes needed by truncate. Rob Landley <rob@landley.net> parents: 379 diff changeset	448 // Call loopfiles_rw with O_RDONLY and !failok (common case).
308 52600eee8dd6 Add "tee" command. Rob Landley <rob@landley.net> parents: 295 diff changeset	449 void loopfiles(char *argv, void (function)(int fd, char *name))
52600eee8dd6 Add "tee" command. Rob Landley <rob@landley.net> parents: 295 diff changeset	450 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	451 loopfiles_rw(argv, O_RDONLY, 0, 0, function);
308 52600eee8dd6 Add "tee" command. Rob Landley <rob@landley.net> parents: 295 diff changeset	452 }
52600eee8dd6 Add "tee" command. Rob Landley <rob@landley.net> parents: 295 diff changeset	453
201 5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	454 // Slow, but small.
5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	455
284 603275a05524 Teach get_rawline() to continue until a configurable char, and xstrndup() Rob Landley <rob@landley.net> parents: 252 diff changeset	456 char get_rawline(int fd, long plen, char end)
201 5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	457 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	458 char c, *buf = NULL;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	459 long len = 0;
201 5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	460
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	461 for (;;) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	462 if (1>read(fd, &c, 1)) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	463 if (!(len & 63)) buf=xrealloc(buf, len+65);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	464 if ((buf[len++]=c) == end) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	465 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	466 if (buf) buf[len]=0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	467 if (plen) *plen = len;
201 5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	468
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	469 return buf;
201 5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	470 }
5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	471
5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	472 char *get_line(int fd)
5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	473 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	474 long len;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	475 char *buf = get_rawline(fd, &len, '\n');
201 5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	476
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	477 if (buf && buf[--len]=='\n') buf[len]=0;
201 5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	478
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	479 return buf;
201 5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	480 }
5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	481
590 7becb497c3c4 Update chmod to work with new dirtree, and fix bugs in string_to_mode(). Rob Landley <rob@landley.net> parents: 585 diff changeset	482 int wfchmodat(int fd, char *name, mode_t mode)
7becb497c3c4 Update chmod to work with new dirtree, and fix bugs in string_to_mode(). Rob Landley <rob@landley.net> parents: 585 diff changeset	483 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	484 int rc = fchmodat(fd, name, mode, 0);
590 7becb497c3c4 Update chmod to work with new dirtree, and fix bugs in string_to_mode(). Rob Landley <rob@landley.net> parents: 585 diff changeset	485
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	486 if (rc) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	487 perror_msg("chmod '%s' to %04o", name, mode);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	488 toys.exitval=1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	489 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	490 return rc;
590 7becb497c3c4 Update chmod to work with new dirtree, and fix bugs in string_to_mode(). Rob Landley <rob@landley.net> parents: 585 diff changeset	491 }
7becb497c3c4 Update chmod to work with new dirtree, and fix bugs in string_to_mode(). Rob Landley <rob@landley.net> parents: 585 diff changeset	492
643 7bdebd2af1d6 Add signal handler to clean up tempfile. Rob Landley <rob@landley.net> parents: 640 diff changeset	493 static char *tempfile2zap;
7bdebd2af1d6 Add signal handler to clean up tempfile. Rob Landley <rob@landley.net> parents: 640 diff changeset	494 static void tempfile_handler(int i)
7bdebd2af1d6 Add signal handler to clean up tempfile. Rob Landley <rob@landley.net> parents: 640 diff changeset	495 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	496 if (1 < (long)tempfile2zap) unlink(tempfile2zap);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	497 _exit(1);
643 7bdebd2af1d6 Add signal handler to clean up tempfile. Rob Landley <rob@landley.net> parents: 640 diff changeset	498 }
7bdebd2af1d6 Add signal handler to clean up tempfile. Rob Landley <rob@landley.net> parents: 640 diff changeset	499
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	500 // Open a temporary file to copy an existing file into.
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	501 int copy_tempfile(int fdin, char name, char *tempname)
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	502 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	503 struct stat statbuf;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	504 int fd;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	505
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	506 *tempname = xstrndup(name, strlen(name)+6);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	507 strcat(*tempname,"XXXXXX");
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	508 if(-1 == (fd = mkstemp(*tempname))) error_exit("no temp file");
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	509 if (!tempfile2zap) sigatexit(tempfile_handler);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	510 tempfile2zap = *tempname;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	511
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	512 // Set permissions of output file
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	513
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	514 fstat(fdin, &statbuf);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	515 fchmod(fd, statbuf.st_mode);
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	516
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	517 return fd;
201 5d523752715a Start of "patch" support. Writes to stdout at the moment. Rob Landley <rob@landley.net> parents: 197 diff changeset	518 }
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	519
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	520 // Abort the copy and delete the temporary file.
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	521 void delete_tempfile(int fdin, int fdout, char **tempname)
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	522 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	523 close(fdin);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	524 close(fdout);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	525 unlink(*tempname);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	526 tempfile2zap = (char *)1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	527 free(*tempname);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	528 *tempname = NULL;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	529 }
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	530
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	531 // Copy the rest of the data and replace the original with the copy.
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	532 void replace_tempfile(int fdin, int fdout, char **tempname)
9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	533 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	534 char temp = xstrdup(tempname);
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	535
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	536 temp[strlen(temp)-6]=0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	537 if (fdin != -1) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	538 xsendfile(fdin, fdout);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	539 xclose(fdin);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	540 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	541 xclose(fdout);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	542 rename(*tempname, temp);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	543 tempfile2zap = (char *)1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	544 free(*tempname);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	545 free(temp);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	546 *tempname = NULL;
209 9a0d4e8a9c61 Patch command. Rob Landley <rob@landley.net> parents: 201 diff changeset	547 }
334 83c461db9df7 Check in crc_init needed by cksum. (Oops.) Rob Landley <rob@landley.net> parents: 311 diff changeset	548
83c461db9df7 Check in crc_init needed by cksum. (Oops.) Rob Landley <rob@landley.net> parents: 311 diff changeset	549 // Create a 256 entry CRC32 lookup table.
83c461db9df7 Check in crc_init needed by cksum. (Oops.) Rob Landley <rob@landley.net> parents: 311 diff changeset	550
337 aaafa1ceaa91 Add -N, -I, -L, and -P options to cksum. Rob Landley <rob@landley.net> parents: 334 diff changeset	551 void crc_init(unsigned int *crc_table, int little_endian)
334 83c461db9df7 Check in crc_init needed by cksum. (Oops.) Rob Landley <rob@landley.net> parents: 311 diff changeset	552 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	553 unsigned int i;
334 83c461db9df7 Check in crc_init needed by cksum. (Oops.) Rob Landley <rob@landley.net> parents: 311 diff changeset	554
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	555 // Init the CRC32 table (big endian)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	556 for (i=0; i<256; i++) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	557 unsigned int j, c = little_endian ? i : i<<24;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	558 for (j=8; j; j--)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	559 if (little_endian) c = (c&1) ? (c>>1)^0xEDB88320 : c>>1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	560 else c=c&0x80000000 ? (c<<1)^0x04c11db7 : (c<<1);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	561 crc_table[i] = c;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	562 }
334 83c461db9df7 Check in crc_init needed by cksum. (Oops.) Rob Landley <rob@landley.net> parents: 311 diff changeset	563 }
419 af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved. Rob Landley <rob@landley.net> parents: 399 diff changeset	564
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved. Rob Landley <rob@landley.net> parents: 399 diff changeset	565 // Quick and dirty query size of terminal, doesn't do ANSI probe fallback.
1108 fb8467436e6a Tweak terminal_size to never set either to 0, and return true/false whether it could determine at least one coordinate. Rob Landley <rob@landley.net> parents: 1097 diff changeset	566 // set x=80 y=25 before calling to provide defaults. Returns 0 if couldn't
fb8467436e6a Tweak terminal_size to never set either to 0, and return true/false whether it could determine at least one coordinate. Rob Landley <rob@landley.net> parents: 1097 diff changeset	567 // determine size.
419 af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved. Rob Landley <rob@landley.net> parents: 399 diff changeset	568
1108 fb8467436e6a Tweak terminal_size to never set either to 0, and return true/false whether it could determine at least one coordinate. Rob Landley <rob@landley.net> parents: 1097 diff changeset	569 int terminal_size(unsigned xx, unsigned yy)
419 af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved. Rob Landley <rob@landley.net> parents: 399 diff changeset	570 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	571 struct winsize ws;
1108 fb8467436e6a Tweak terminal_size to never set either to 0, and return true/false whether it could determine at least one coordinate. Rob Landley <rob@landley.net> parents: 1097 diff changeset	572 unsigned i, x = 0, y = 0;
1097 54b2776de2f4 Refactor terminal querying. Rob Landley <rob@landley.net> parents: 1070 diff changeset	573 char *s;
419 af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved. Rob Landley <rob@landley.net> parents: 399 diff changeset	574
1108 fb8467436e6a Tweak terminal_size to never set either to 0, and return true/false whether it could determine at least one coordinate. Rob Landley <rob@landley.net> parents: 1097 diff changeset	575 // stdin, stdout, stderr
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	576 for (i=0; i<3; i++) {
1097 54b2776de2f4 Refactor terminal querying. Rob Landley <rob@landley.net> parents: 1070 diff changeset	577 memset(&ws, 0, sizeof(ws));
54b2776de2f4 Refactor terminal querying. Rob Landley <rob@landley.net> parents: 1070 diff changeset	578 if (!ioctl(i, TIOCGWINSZ, &ws)) {
54b2776de2f4 Refactor terminal querying. Rob Landley <rob@landley.net> parents: 1070 diff changeset	579 if (ws.ws_col) x = ws.ws_col;
54b2776de2f4 Refactor terminal querying. Rob Landley <rob@landley.net> parents: 1070 diff changeset	580 if (ws.ws_row) y = ws.ws_row;
54b2776de2f4 Refactor terminal querying. Rob Landley <rob@landley.net> parents: 1070 diff changeset	581
54b2776de2f4 Refactor terminal querying. Rob Landley <rob@landley.net> parents: 1070 diff changeset	582 break;
54b2776de2f4 Refactor terminal querying. Rob Landley <rob@landley.net> parents: 1070 diff changeset	583 }
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	584 }
1097 54b2776de2f4 Refactor terminal querying. Rob Landley <rob@landley.net> parents: 1070 diff changeset	585 s = getenv("COLUMNS");
54b2776de2f4 Refactor terminal querying. Rob Landley <rob@landley.net> parents: 1070 diff changeset	586 if (s) sscanf(s, "%u", &x);
54b2776de2f4 Refactor terminal querying. Rob Landley <rob@landley.net> parents: 1070 diff changeset	587 s = getenv("ROWS");
54b2776de2f4 Refactor terminal querying. Rob Landley <rob@landley.net> parents: 1070 diff changeset	588 if (s) sscanf(s, "%u", &y);
419 af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved. Rob Landley <rob@landley.net> parents: 399 diff changeset	589
1108 fb8467436e6a Tweak terminal_size to never set either to 0, and return true/false whether it could determine at least one coordinate. Rob Landley <rob@landley.net> parents: 1097 diff changeset	590 // Never return 0 for either value, leave it at default instead.
fb8467436e6a Tweak terminal_size to never set either to 0, and return true/false whether it could determine at least one coordinate. Rob Landley <rob@landley.net> parents: 1097 diff changeset	591 if (xx && x) *xx = x;
fb8467436e6a Tweak terminal_size to never set either to 0, and return true/false whether it could determine at least one coordinate. Rob Landley <rob@landley.net> parents: 1097 diff changeset	592 if (yy && y) *yy = y;
fb8467436e6a Tweak terminal_size to never set either to 0, and return true/false whether it could determine at least one coordinate. Rob Landley <rob@landley.net> parents: 1097 diff changeset	593
fb8467436e6a Tweak terminal_size to never set either to 0, and return true/false whether it could determine at least one coordinate. Rob Landley <rob@landley.net> parents: 1097 diff changeset	594 return x \|\| y;
419 af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved. Rob Landley <rob@landley.net> parents: 399 diff changeset	595 }
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved. Rob Landley <rob@landley.net> parents: 399 diff changeset	596
503 3b9dea897dc0 Upgrade yesno() and make cp -i use it. Rob Landley <rob@landley.net> parents: 498 diff changeset	597 int yesno(char *prompt, int def)
419 af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved. Rob Landley <rob@landley.net> parents: 399 diff changeset	598 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	599 char buf;
419 af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved. Rob Landley <rob@landley.net> parents: 399 diff changeset	600
738 075eaff297f8 Make yesno() always read from stdin and write to stderr. (If we need to find our tty, open /dev/tty, but existing users don't.) Rob Landley <rob@landley.net> parents: 715 diff changeset	601 fprintf(stderr, "%s (%c/%c):", prompt, def ? 'Y' : 'y', def ? 'n' : 'N');
075eaff297f8 Make yesno() always read from stdin and write to stderr. (If we need to find our tty, open /dev/tty, but existing users don't.) Rob Landley <rob@landley.net> parents: 715 diff changeset	602 fflush(stderr);
075eaff297f8 Make yesno() always read from stdin and write to stderr. (If we need to find our tty, open /dev/tty, but existing users don't.) Rob Landley <rob@landley.net> parents: 715 diff changeset	603 while (fread(&buf, 1, 1, stdin)) {
075eaff297f8 Make yesno() always read from stdin and write to stderr. (If we need to find our tty, open /dev/tty, but existing users don't.) Rob Landley <rob@landley.net> parents: 715 diff changeset	604 int new;
419 af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved. Rob Landley <rob@landley.net> parents: 399 diff changeset	605
798 16bcabb8cf97 Fix -in behavior: descend into existing directory without prompting, show full path in error messages, actually overwrite when answering yes to -i. Rob Landley <rob@landley.net> parents: 791 diff changeset	606 // The letter changes the value, the newline (or space) returns it.
738 075eaff297f8 Make yesno() always read from stdin and write to stderr. (If we need to find our tty, open /dev/tty, but existing users don't.) Rob Landley <rob@landley.net> parents: 715 diff changeset	607 if (isspace(buf)) break;
075eaff297f8 Make yesno() always read from stdin and write to stderr. (If we need to find our tty, open /dev/tty, but existing users don't.) Rob Landley <rob@landley.net> parents: 715 diff changeset	608 if (-1 != (new = stridx("ny", tolower(buf)))) def = new;
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	609 }
550 b2194045c40e Remove "feature test macros", replace non-portable fdprintf() with standard fprintf(). Rob Landley <rob@landley.net> parents: 535 diff changeset	610
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	611 return def;
419 af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved. Rob Landley <rob@landley.net> parents: 399 diff changeset	612 }
475 1fb149e75ebf Add killall by Andreas Heck, and factor out common pid code to lib.h. Rob Landley <rob@landley.net> parents: 443 diff changeset	613
498 c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	614 struct signame {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	615 int num;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	616 char *name;
498 c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	617 };
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	618
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	619 // Signals required by POSIX 2008:
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	620 // http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/signal.h.html
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	621
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	622 #define SIGNIFY(x) {SIG##x, #x}
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	623
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	624 static struct signame signames[] = {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	625 SIGNIFY(ABRT), SIGNIFY(ALRM), SIGNIFY(BUS),
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	626 SIGNIFY(FPE), SIGNIFY(HUP), SIGNIFY(ILL), SIGNIFY(INT), SIGNIFY(KILL),
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	627 SIGNIFY(PIPE), SIGNIFY(QUIT), SIGNIFY(SEGV), SIGNIFY(TERM),
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	628 SIGNIFY(USR1), SIGNIFY(USR2), SIGNIFY(SYS), SIGNIFY(TRAP),
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	629 SIGNIFY(VTALRM), SIGNIFY(XCPU), SIGNIFY(XFSZ),
643 7bdebd2af1d6 Add signal handler to clean up tempfile. Rob Landley <rob@landley.net> parents: 640 diff changeset	630
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	631 // Start of non-terminal signals
643 7bdebd2af1d6 Add signal handler to clean up tempfile. Rob Landley <rob@landley.net> parents: 640 diff changeset	632
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	633 SIGNIFY(CHLD), SIGNIFY(CONT), SIGNIFY(STOP), SIGNIFY(TSTP),
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	634 SIGNIFY(TTIN), SIGNIFY(TTOU), SIGNIFY(URG)
498 c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	635 };
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	636
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	637 // not in posix: SIGNIFY(STKFLT), SIGNIFY(WINCH), SIGNIFY(IO), SIGNIFY(PWR)
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	638 // obsolete: SIGNIFY(PROF) SIGNIFY(POLL)
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	639
1299 313980d3d78c Add generic_signal() handler, which sets toys.signal and writes byte to toys.signalfd if set. Rob Landley <rob@landley.net> parents: 1276 diff changeset	640 // Handler that sets toys.signal, and writes to toys.signalfd if set
313980d3d78c Add generic_signal() handler, which sets toys.signal and writes byte to toys.signalfd if set. Rob Landley <rob@landley.net> parents: 1276 diff changeset	641 void generic_signal(int sig)
313980d3d78c Add generic_signal() handler, which sets toys.signal and writes byte to toys.signalfd if set. Rob Landley <rob@landley.net> parents: 1276 diff changeset	642 {
313980d3d78c Add generic_signal() handler, which sets toys.signal and writes byte to toys.signalfd if set. Rob Landley <rob@landley.net> parents: 1276 diff changeset	643 if (toys.signalfd) {
313980d3d78c Add generic_signal() handler, which sets toys.signal and writes byte to toys.signalfd if set. Rob Landley <rob@landley.net> parents: 1276 diff changeset	644 char c = sig;
313980d3d78c Add generic_signal() handler, which sets toys.signal and writes byte to toys.signalfd if set. Rob Landley <rob@landley.net> parents: 1276 diff changeset	645
313980d3d78c Add generic_signal() handler, which sets toys.signal and writes byte to toys.signalfd if set. Rob Landley <rob@landley.net> parents: 1276 diff changeset	646 writeall(toys.signalfd, &c, 1);
313980d3d78c Add generic_signal() handler, which sets toys.signal and writes byte to toys.signalfd if set. Rob Landley <rob@landley.net> parents: 1276 diff changeset	647 }
313980d3d78c Add generic_signal() handler, which sets toys.signal and writes byte to toys.signalfd if set. Rob Landley <rob@landley.net> parents: 1276 diff changeset	648 toys.signal = sig;
313980d3d78c Add generic_signal() handler, which sets toys.signal and writes byte to toys.signalfd if set. Rob Landley <rob@landley.net> parents: 1276 diff changeset	649 }
313980d3d78c Add generic_signal() handler, which sets toys.signal and writes byte to toys.signalfd if set. Rob Landley <rob@landley.net> parents: 1276 diff changeset	650
643 7bdebd2af1d6 Add signal handler to clean up tempfile. Rob Landley <rob@landley.net> parents: 640 diff changeset	651 // Install the same handler on every signal that defaults to killing the process
7bdebd2af1d6 Add signal handler to clean up tempfile. Rob Landley <rob@landley.net> parents: 640 diff changeset	652 void sigatexit(void *handler)
7bdebd2af1d6 Add signal handler to clean up tempfile. Rob Landley <rob@landley.net> parents: 640 diff changeset	653 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	654 int i;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	655 for (i=0; signames[i].num != SIGCHLD; i++) signal(signames[i].num, handler);
643 7bdebd2af1d6 Add signal handler to clean up tempfile. Rob Landley <rob@landley.net> parents: 640 diff changeset	656 }
1299 313980d3d78c Add generic_signal() handler, which sets toys.signal and writes byte to toys.signalfd if set. Rob Landley <rob@landley.net> parents: 1276 diff changeset	657
498 c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	658 // Convert name to signal number. If name == NULL print names.
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	659 int sig_to_num(char *pidstr)
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	660 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	661 int i;
498 c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	662
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	663 if (pidstr) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	664 char *s;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	665 i = strtol(pidstr, &s, 10);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	666 if (!*s) return i;
498 c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	667
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	668 if (!strncasecmp(pidstr, "sig", 3)) pidstr+=3;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	669 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	670 for (i = 0; i < sizeof(signames)/sizeof(struct signame); i++)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	671 if (!pidstr) xputs(signames[i].name);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	672 else if (!strcasecmp(pidstr, signames[i].name)) return signames[i].num;
498 c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	673
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	674 return -1;
498 c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	675 }
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	676
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	677 char *num_to_sig(int sig)
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	678 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	679 int i;
498 c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	680
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	681 for (i=0; i<sizeof(signames)/sizeof(struct signame); i++)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	682 if (signames[i].num == sig) return signames[i].name;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	683 return NULL;
498 c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c. Rob Landley <rob@landley.net> parents: 480 diff changeset	684 }
551 2548e6e590b2 Add string to mode_t parser Daniel Walter <d.walter@0x90.at> parents: 550 diff changeset	685
643 7bdebd2af1d6 Add signal handler to clean up tempfile. Rob Landley <rob@landley.net> parents: 640 diff changeset	686 // premute mode bits based on posix mode strings.
578 5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!) Rob Landley <rob@landley.net> parents: 565 diff changeset	687 mode_t string_to_mode(char *modestr, mode_t mode)
551 2548e6e590b2 Add string to mode_t parser Daniel Walter <d.walter@0x90.at> parents: 550 diff changeset	688 {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	689 char whos = "ogua", hows = "=+-", whats = "xwrstX", whys = "ogu";
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	690 char s, str = modestr;
553 75da5d793fc8 Unwind gratuitous macros. Rob Landley <rob@landley.net> parents: 551 diff changeset	691
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	692 // Handle octal mode
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	693 if (isdigit(*str)) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	694 mode = strtol(str, &s, 8);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	695 if (*s \|\| (mode & ~(07777))) goto barf;
553 75da5d793fc8 Unwind gratuitous macros. Rob Landley <rob@landley.net> parents: 551 diff changeset	696
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	697 return mode;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	698 }
578 5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!) Rob Landley <rob@landley.net> parents: 565 diff changeset	699
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	700 // Gaze into the bin of permission...
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	701 for (;;) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	702 int i, j, dowho, dohow, dowhat, amask;
578 5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!) Rob Landley <rob@landley.net> parents: 565 diff changeset	703
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	704 dowho = dohow = dowhat = amask = 0;
578 5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!) Rob Landley <rob@landley.net> parents: 565 diff changeset	705
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	706 // Find the who, how, and what stanzas, in that order
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	707 while (str && (s = strchr(whos, str))) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	708 dowho \|= 1<<(s-whos);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	709 str++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	710 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	711 // If who isn't specified, like "a" but honoring umask.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	712 if (!dowho) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	713 dowho = 8;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	714 umask(amask=umask(0));
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	715 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	716 if (!str \|\| !(s = strchr(hows, str))) goto barf;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	717 dohow = *(str++);
590 7becb497c3c4 Update chmod to work with new dirtree, and fix bugs in string_to_mode(). Rob Landley <rob@landley.net> parents: 585 diff changeset	718
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	719 if (!dohow) goto barf;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	720 while (str && (s = strchr(whats, str))) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	721 dowhat \|= 1<<(s-whats);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	722 str++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	723 }
578 5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!) Rob Landley <rob@landley.net> parents: 565 diff changeset	724
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	725 // Convert X to x for directory or if already executable somewhere
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	726 if ((dowhat&32) && (S_ISDIR(mode) \|\| (mode&0111))) dowhat \|= 1;
578 5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!) Rob Landley <rob@landley.net> parents: 565 diff changeset	727
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	728 // Copy mode from another category?
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	729 if (!dowhat && str && (s = strchr(whys, str))) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	730 dowhat = (mode>>(3*(s-whys)))&7;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	731 str++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	732 }
578 5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!) Rob Landley <rob@landley.net> parents: 565 diff changeset	733
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	734 // Are we ready to do a thing yet?
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	735 if (str && (str++) != ',') goto barf;
578 5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!) Rob Landley <rob@landley.net> parents: 565 diff changeset	736
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	737 // Ok, apply the bits to the mode.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	738 for (i=0; i<4; i++) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	739 for (j=0; j<3; j++) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	740 mode_t bit = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	741 int where = 1<<((3*i)+j);
638 92200901cfe1 Make chmod +w respect umask, implement +s and +t, fix ls to show suid/sgid/stid without x bit. Rob Landley <rob@landley.net> parents: 623 diff changeset	742
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	743 if (amask & where) continue;
578 5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!) Rob Landley <rob@landley.net> parents: 565 diff changeset	744
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	745 // Figure out new value at this location
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	746 if (i == 3) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	747 // suid/sticky bit.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	748 if (j) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	749 if ((dowhat & 8) && (dowho&(8\|(1<<i)))) bit++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	750 } else if (dowhat & 16) bit++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	751 } else {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	752 if (!(dowho&(8\|(1<<i)))) continue;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	753 if (dowhat&(1<<j)) bit++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	754 }
578 5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!) Rob Landley <rob@landley.net> parents: 565 diff changeset	755
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	756 // When selection active, modify bit
578 5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!) Rob Landley <rob@landley.net> parents: 565 diff changeset	757
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	758 if (dohow == '=' \|\| (bit && dohow == '-')) mode &= ~where;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	759 if (bit && dohow != '-') mode \|= where;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	760 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	761 }
578 5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!) Rob Landley <rob@landley.net> parents: 565 diff changeset	762
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	763 if (!*str) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	764 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	765 return mode;
578 5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!) Rob Landley <rob@landley.net> parents: 565 diff changeset	766 barf:
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 671 diff changeset	767 error_exit("bad mode '%s'", modestr);
551 2548e6e590b2 Add string to mode_t parser Daniel Walter <d.walter@0x90.at> parents: 550 diff changeset	768 }
658 2b957eaa00c7 Add du command. Ashwini Kumar <ak.ashwini@gmail.com> parents: 643 diff changeset	769
916 b92cb3cc9696 Stat cleanup. Rob Landley <rob@landley.net> parents: 913 diff changeset	770 // Format access mode into a drwxrwxrwx string
b92cb3cc9696 Stat cleanup. Rob Landley <rob@landley.net> parents: 913 diff changeset	771 void mode_to_string(mode_t mode, char *buf)
885 beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	772 {
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	773 char c, d;
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	774 int i, bit;
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	775
916 b92cb3cc9696 Stat cleanup. Rob Landley <rob@landley.net> parents: 913 diff changeset	776 buf[10]=0;
885 beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	777 for (i=0; i<9; i++) {
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	778 bit = mode & (1<<i);
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	779 c = i%3;
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	780 if (!c && (mode & (1<<((d=i/3)+9)))) {
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	781 c = "tss"[d];
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	782 if (!bit) c &= ~0x20;
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	783 } else c = bit ? "xwr"[c] : '-';
916 b92cb3cc9696 Stat cleanup. Rob Landley <rob@landley.net> parents: 913 diff changeset	784 buf[9-i] = c;
885 beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	785 }
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	786
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	787 if (S_ISDIR(mode)) c = 'd';
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	788 else if (S_ISBLK(mode)) c = 'b';
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	789 else if (S_ISCHR(mode)) c = 'c';
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	790 else if (S_ISLNK(mode)) c = 'l';
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	791 else if (S_ISFIFO(mode)) c = 'p';
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	792 else if (S_ISSOCK(mode)) c = 's';
beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	793 else c = '-';
916 b92cb3cc9696 Stat cleanup. Rob Landley <rob@landley.net> parents: 913 diff changeset	794 *buf = c;
885 beb32d780164 Add library function for the file permission formatting in ls and stat Felix Janda <felix.janda@posteo.de> parents: 883 diff changeset	795 }
1145 80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	796
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	797 // Execute a callback for each PID that matches a process name from a list.
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	798 void names_to_pid(char *names, int (callback)(pid_t pid, char *name))
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	799 {
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	800 DIR *dp;
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	801 struct dirent *entry;
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	802
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	803 if (!(dp = opendir("/proc"))) perror_exit("opendir");
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	804
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	805 while ((entry = readdir(dp))) {
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	806 unsigned u;
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	807 char cmd, *curname;
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	808
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	809 if (!(u = atoi(entry->d_name))) continue;
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	810 sprintf(libbuf, "/proc/%u/cmdline", u);
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	811 if (!(cmd = readfile(libbuf, libbuf, sizeof(libbuf)))) continue;
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	812
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	813 for (curname = names; *curname; curname++)
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	814 if (*curname == '/' ? !strcmp(cmd, curname)
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	815 : !strcmp(basename(cmd), basename(*curname)))
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	816 if (callback(u, *curname)) break;
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	817 if (*curname) break;
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	818 }
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	819 closedir(dp);
80c9df5145fe Move names_to_pid from pending to lib. Rob Landley <rob@landley.net> parents: 1141 diff changeset	820 }
1276 d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	821
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	822 // display first few digits of number with power of two units, except we're
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	823 // actually just counting decimal digits and showing mil/bil/trillions.
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	824 int human_readable(char *buf, unsigned long long num)
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	825 {
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	826 int end, len;
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	827
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	828 len = sprintf(buf, "%lld", num);
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	829 end = ((len-1)%3)+1;
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	830 len /= 3;
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	831
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	832 if (len && end == 1) {
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	833 buf[2] = buf[1];
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	834 buf[1] = '.';
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	835 end = 3;
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	836 }
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	837 buf[end++] = ' ';
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	838 if (len) buf[end++] = " KMGTPE"[len];
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	839 buf[end++] = 'B';
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	840 buf[end++] = 0;
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	841
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	842 return end;
d48bdc1cb017 Switch human_readable() to just outputing decimal kilo/mega/gigabytes, make du use it, move it from lib/pending.c to lib.c. Rob Landley <rob@landley.net> parents: 1273 diff changeset	843 }

Mercurial > hg > toybox

annotate lib/lib.c @ 1399:a0c328bc2c14 draft