toybox: toys/pending/strings.c annotate

annotate toys/pending/strings.c @ 1349:bf2e5591bdf0 draft

Cleanup strings.

author	Rob Landley <rob@landley.net>
date	Wed, 11 Jun 2014 08:02:55 -0500
parents	3191aa9490aa
children

rev	line source
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	1 /*strings.c - print the strings of printable characters in files.
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	2 *
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	3 * Copyright 2014 Kyung-su Kim <kaspyx@gmail.com>
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	4 * Copyright 2014 Kyungwan Han <asura321@gmail.com>
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	5 *
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	6 * No Standard
1349 bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	7 * TODO: utf8 strings
bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	8 * TODO: posix -t
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	9
1349 bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	10 USE_STRINGS(NEWTOY(strings, "an#=4<1fo", TOYFLAG_USR\|TOYFLAG_BIN))
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	11
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	12 config STRINGS
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	13 bool "strings"
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	14 default n
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	15 help
1349 bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	16 usage: strings [-fo] [-n LEN] [FILE...]
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	17
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	18 Display printable strings in a binary file
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	19
1349 bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	20 -f Precede strings with filenames
bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	21 -n At least LEN characters form a string (default 4)
bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	22 -o Precede strings with decimal offsets
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	23 */
1349 bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	24
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	25 #define FOR_strings
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	26 #include "toys.h"
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	27
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	28 GLOBALS(
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	29 long num;
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	30 )
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	31
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	32 void do_strings(int fd, char *filename)
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	33 {
1349 bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	34 int nread, i, wlen = TT.num, count = 0;
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	35 off_t offset = 0;
1349 bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	36 char *string = xzalloc(wlen + 1);
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	37
1349 bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	38 for (;;) {
bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	39 nread = read(fd, toybuf, sizeof(toybuf));
bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	40 if (nread < 0) perror_msg("%s", filename);
bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	41 if (nread < 1) break;
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	42 for (i = 0; i < nread; i++, offset++) {
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	43 if (((toybuf[i] >= 32) && (toybuf[i] <= 126)) \|\| (toybuf[i] == '\t')) {
1349 bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	44 if (count == wlen) fputc(toybuf[i], stdout);
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	45 else {
1349 bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	46 string[count++] = toybuf[i];
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	47 if (count == wlen) {
1349 bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	48 if (toys.optflags & FLAG_f) printf("%s: ", filename);
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	49 if (toys.optflags & FLAG_o)
1349 bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	50 printf("%7lld ",(long long)(offset - wlen));
bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	51 printf("%s", string);
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	52 }
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	53 }
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	54 } else {
1349 bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	55 if (count == wlen) xputc('\n');
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	56 count = 0;
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	57 }
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	58 }
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	59 }
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	60 xclose(fd);
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	61 free(string);
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	62 }
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	63
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	64 void strings_main(void)
3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	65 {
1349 bf2e5591bdf0 Cleanup strings. Rob Landley <rob@landley.net> parents: 1324 diff changeset	66 loopfiles(toys.optargs, do_strings);
1324 3191aa9490aa strings - print the strings in the file. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: diff changeset	67 }

Mercurial > hg > toybox

annotate toys/pending/strings.c @ 1349:bf2e5591bdf0 draft