annotate lib/lib.h @ 858:34ac05521d94

Move guts of help command into show_help() in lib/help.c, with config TOYBOX_HELP controlling infrastructure.
author Rob Landley <rob@landley.net>
date Sun, 14 Apr 2013 21:43:22 -0500
parents 46919d9f14f7
children aa5bd0a358dd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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7
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
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1 /* lib.h - header file for lib directory
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2 *
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3 * Copyright 2006 Rob Landley <rob@landley.net>
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4 */
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6 // Unfortunately, sizeof() doesn't work in a preprocessor test. TODO.
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7
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8 //#if sizeof(double) <= sizeof(long)
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9 //typedef double FLOAT;
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10 //#else
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11 typedef float FLOAT;
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12 //#endif
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13
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f2c7f0799ebe Add cat -v.
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14 // libc generally has this, but the headers are screwed up
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15 ssize_t getline(char **lineptr, size_t *n, FILE *stream);
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16
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3981c96f9285 Implement which. Add hello world to menuconfig. Wrap the various applet main
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17 // llist.c
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18
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19 // All these list types can be handled by the same code because first element
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20 // is always next pointer, so next = (mytype *)&struct. (The payloads are
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21 // named differently to catch using the wrong type early.)
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22
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23 struct string_list {
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24 struct string_list *next;
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25 char str[0];
20
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26 };
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eb46bb5626cb New option parsing infrastructure (doesn't use getopt). Hook it up to
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28 struct arg_list {
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29 struct arg_list *next;
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30 char *arg;
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31 };
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32
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33 struct double_list {
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34 struct double_list *next, *prev;
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35 char *data;
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36 };
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37
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1e8b9acdafeb Genericize llist code a bit: rename llist_free() to llist_traverse(), and no longer accept NULL as a synonym for free.
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38 void llist_traverse(void *list, void (*using)(void *data));
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630b2e12db16 Move dlist_add() to lib/llist.c
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39 void *llist_pop(void *list); // actually void **list, but the compiler's dumb
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c2f39708a4c4 Redo tail to use optargs and optionally support lseek. Add support to optargs and llist.c, plus add a test suite entry. Still no -f support though.
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40 void dlist_add_nomalloc(struct double_list **list, struct double_list *new);
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aaac01796688 Upgrade patch to detect hunks that start after a false start.
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41 struct double_list *dlist_add(struct double_list **list, char *data);
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42
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43 // args.c
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44 void get_optflags(void);
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45
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46 // dirtree.c
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48 // Values returnable from callback function (bitfield, or them together)
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49 // Default with no callback is 0
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51 // Add this node to the tree
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52 #define DIRTREE_SAVE 1
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53 // Recurse into children
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54 #define DIRTREE_RECURSE 2
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55 // Call again after handling all children of this directory
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56 // (Ignored for non-directories, sets linklen = -1 before second call.)
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57 #define DIRTREE_COMEAGAIN 4
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58 // Follow symlinks to directories
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59 #define DIRTREE_SYMFOLLOW 8
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60 // Don't look at any more files in this directory.
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61 #define DIRTREE_ABORT 256
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63 #define DIRTREE_ABORTVAL ((struct dirtree *)1)
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64
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65 struct dirtree {
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66 struct dirtree *next, *parent, *child;
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67 long extra; // place for user to store their stuff (can be pointer)
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68 struct stat st;
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69 char *symlink;
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70 int data; // dirfd for directory, linklen for symlink, -1 = comeagain
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71 char name[];
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72 };
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73
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3aaba60133c8 Have dirtree_add_node() set parent so error message can provide full path.
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74 struct dirtree *dirtree_add_node(struct dirtree *p, char *name, int symfollow);
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75 char *dirtree_path(struct dirtree *node, int *plen);
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76 int dirtree_notdotdot(struct dirtree *catch);
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77 int dirtree_parentfd(struct dirtree *node);
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78 struct dirtree *dirtree_handle_callback(struct dirtree *new,
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79 int (*callback)(struct dirtree *node));
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80 void dirtree_recurse(struct dirtree *node,
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81 int (*callback)(struct dirtree *node), int symfollow);
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82 struct dirtree *dirtree_read(char *path, int (*callback)(struct dirtree *node));
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83
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84 // help.c
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85
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86 void show_help(void);
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87
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88 // lib.c
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89 void xstrcpy(char *dest, char *src, size_t size);
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90 void verror_msg(char *msg, int err, va_list va);
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91 void error_msg(char *msg, ...);
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92 void perror_msg(char *msg, ...);
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93 void error_exit(char *msg, ...) noreturn;
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94 void perror_exit(char *msg, ...) noreturn;
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95 void *xmalloc(size_t size);
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96 void *xzalloc(size_t size);
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97 void *xrealloc(void *ptr, size_t size);
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5715eed39575 Correct return types of xstrdup() and xstrndup()
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98 char *xstrndup(char *s, size_t n);
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99 char *xstrdup(char *s);
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100 char *xmsprintf(char *format, ...);
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101 void xprintf(char *format, ...);
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102 void xputs(char *s);
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103 void xputc(char c);
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104 void xflush(void);
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105 void xexec(char **argv);
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63edd4de94dd Add xaccess()
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106 void xaccess(char *path, int flags);
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107 void xunlink(char *path);
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108 int xcreate(char *path, int flags, int mode);
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109 int xopen(char *path, int flags);
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110 void xclose(int fd);
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111 int xdup(int fd);
2
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff changeset
112 FILE *xfopen(char *path, char *mode);
63
69efffcacd70 Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which
Rob Landley <rob@landley.net>
parents: 53
diff changeset
113 ssize_t readall(int fd, void *buf, size_t len);
69efffcacd70 Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which
Rob Landley <rob@landley.net>
parents: 53
diff changeset
114 ssize_t writeall(int fd, void *buf, size_t len);
69efffcacd70 Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which
Rob Landley <rob@landley.net>
parents: 53
diff changeset
115 size_t xread(int fd, void *buf, size_t len);
69efffcacd70 Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which
Rob Landley <rob@landley.net>
parents: 53
diff changeset
116 void xreadall(int fd, void *buf, size_t len);
69efffcacd70 Add fdprintf(). Remove reread() and rewrite() which handle -EINTR, which
Rob Landley <rob@landley.net>
parents: 53
diff changeset
117 void xwrite(int fd, void *buf, size_t len);
340
6e03d6a8df23 Add mkswap.
Rob Landley <rob@landley.net>
parents: 337
diff changeset
118 off_t xlseek(int fd, off_t offset, int whence);
623
f51beec92738 New infrastructure for od (oops).
Rob Landley <rob@landley.net>
parents: 607
diff changeset
119 off_t lskip(int fd, off_t offset);
311
962bbf7341f8 Tweak from Roberto Foglietta.
Rob Landley <rob@landley.net>
parents: 308
diff changeset
120 char *readfile(char *name);
962bbf7341f8 Tweak from Roberto Foglietta.
Rob Landley <rob@landley.net>
parents: 308
diff changeset
121 char *xreadfile(char *name);
4
732b055e17f7 Add xmsprintf(), xgetcwd(), xgetcwd(), find_in_path().
landley@driftwood
parents: 3
diff changeset
122 char *xgetcwd(void);
95
a636e4d20f13 Add xstat(), read_dirtree(), and read_dirtree_node().
Rob Landley <rob@landley.net>
parents: 75
diff changeset
123 void xstat(char *path, struct stat *st);
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
124 char *xabspath(char *path, int exact);
585
1dcd7994abea Add xrealpath() at suggestion of Ashish Briggers.
Rob Landley <rob@landley.net>
parents: 580
diff changeset
125 char *xrealpath(char *path);
292
b4077be6c746 Update mdev to work around the newest sysfs api breakage in the 2.6.25 kernel.
Rob Landley <rob@landley.net>
parents: 284
diff changeset
126 void xchdir(char *path);
216
5697a3f7c8cf Make patch's file add actually work, including directory creating and
Rob Landley <rob@landley.net>
parents: 214
diff changeset
127 void xmkpath(char *path, int mode);
370
c7a26e26ad08 Add TOYBOX_SUID.
Rob Landley <rob@landley.net>
parents: 369
diff changeset
128 void xsetuid(uid_t uid);
20
3981c96f9285 Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents: 16
diff changeset
129 struct string_list *find_in_path(char *path, char *filename);
7
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
130 void utoa_to_buf(unsigned n, char *buf, unsigned buflen);
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
131 void itoa_to_buf(int n, char *buf, unsigned buflen);
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
132 char *utoa(unsigned n);
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
133 char *itoa(int n);
102
aa4fa2543a65 Add atolx() which understands extensions for kilobytes and megabytes and such.
Rob Landley <rob@landley.net>
parents: 97
diff changeset
134 long atolx(char *c);
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: 551
diff changeset
135 int numlen(long l);
623
f51beec92738 New infrastructure for od (oops).
Rob Landley <rob@landley.net>
parents: 607
diff changeset
136 int stridx(char *haystack, char needle);
75
89ca591a9236 More random progress on mke2fs. Nothing to see yet.
Rob Landley <rob@landley.net>
parents: 70
diff changeset
137 off_t fdlength(int fd);
115
19b5567f0a1b Add readlink, xreadlink(), and change xrealloc() to not fight the stupid
Rob Landley <rob@landley.net>
parents: 102
diff changeset
138 char *xreadlink(char *name);
397
b7afbc6b753a Forgot to check in loopfiles_rw changes needed by truncate.
Rob Landley <rob@landley.net>
parents: 370
diff changeset
139 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: 658
diff changeset
140 void (*function)(int fd, char *name));
185
29e2051296fd Add loopfiles() function, make catv use it.
Rob Landley <rob@landley.net>
parents: 167
diff changeset
141 void loopfiles(char **argv, void (*function)(int fd, char *name));
284
603275a05524 Teach get_rawline() to continue until a configurable char, and xstrndup()
Rob Landley <rob@landley.net>
parents: 263
diff changeset
142 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: 185
diff changeset
143 char *get_line(int fd);
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 185
diff changeset
144 void xsendfile(int in, int out);
590
7becb497c3c4 Update chmod to work with new dirtree, and fix bugs in string_to_mode().
Rob Landley <rob@landley.net>
parents: 589
diff changeset
145 int wfchmodat(int rc, char *name, mode_t mode);
209
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
146 int copy_tempfile(int fdin, char *name, char **tempname);
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
147 void delete_tempfile(int fdin, int fdout, char **tempname);
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
148 void replace_tempfile(int fdin, int fdout, char **tempname);
337
aaafa1ceaa91 Add -N, -I, -L, and -P options to cksum.
Rob Landley <rob@landley.net>
parents: 334
diff changeset
149 void crc_init(unsigned int *crc_table, int little_endian);
419
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 417
diff changeset
150 void terminal_size(unsigned *x, unsigned *y);
503
3b9dea897dc0 Upgrade yesno() and make cp -i use it.
Rob Landley <rob@landley.net>
parents: 498
diff changeset
151 int yesno(char *prompt, int def);
762
f169d9708518 Extend killall with support for -v and -i
Elie De Brauwer <eliedebrauwer@gmail.com>
parents: 744
diff changeset
152 void for_each_pid_with_name_in(char **names, int (*callback)(pid_t pid, char *name));
715
3417db95f24b Add expand command as described in POSIX-2008.
Jonathan Clairembault <jonathan@clairembault.fr>
parents: 708
diff changeset
153 unsigned long xstrtoul(const char *nptr, char **endptr, int base);
2
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff changeset
154
3
266a462ed18c Next drop of toysh, plus more infratructure.
landley@driftwood
parents: 2
diff changeset
155 // getmountlist.c
2
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff changeset
156 struct mtab_list {
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: 658
diff changeset
157 struct mtab_list *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: 658
diff changeset
158 struct stat stat;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 658
diff changeset
159 struct statvfs statvfs;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 658
diff changeset
160 char *dir;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 658
diff changeset
161 char *device;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 658
diff changeset
162 char type[0];
2
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff changeset
163 };
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff changeset
164
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff changeset
165 struct mtab_list *getmountlist(int die);
67b517913e56 Infrastructure, first drop of toy shell, and a bit of work on df.
landley@driftwood
parents:
diff changeset
166
64
67ee3a0b76e1 In bunzip replace setjmp/longjmp handling with error_exit(), replace string
Rob Landley <rob@landley.net>
parents: 63
diff changeset
167 void bunzipStream(int src_fd, int dst_fd);
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: 478
diff changeset
168
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: 478
diff changeset
169 // signal
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: 478
diff changeset
170
643
7bdebd2af1d6 Add signal handler to clean up tempfile.
Rob Landley <rob@landley.net>
parents: 637
diff changeset
171 void sigatexit(void *handler);
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: 478
diff changeset
172 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: 478
diff changeset
173 char *num_to_sig(int sig);
551
2548e6e590b2 Add string to mode_t parser
Daniel Walter <d.walter@0x90.at>
parents: 540
diff changeset
174
2548e6e590b2 Add string to mode_t parser
Daniel Walter <d.walter@0x90.at>
parents: 540
diff changeset
175 mode_t string_to_mode(char *mode_str, mode_t base);
626
77d94b36aff0 Add passwd by Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 624
diff changeset
176
77d94b36aff0 Add passwd by Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 624
diff changeset
177 // password helper functions
637
9aeea680acc7 Use "_password" instead of "_passwd" for names in lib/password.c.
Rob Landley <rob@landley.net>
parents: 626
diff changeset
178 int read_password(char * buff, int buflen, char* mesg);
9aeea680acc7 Use "_password" instead of "_passwd" for names in lib/password.c.
Rob Landley <rob@landley.net>
parents: 626
diff changeset
179 int update_password(char *filename, char* username, char* encrypted);
626
77d94b36aff0 Add passwd by Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 624
diff changeset
180
658
2b957eaa00c7 Add du command.
Ashwini Kumar <ak.ashwini@gmail.com>
parents: 643
diff changeset
181 // du helper functions
2b957eaa00c7 Add du command.
Ashwini Kumar <ak.ashwini@gmail.com>
parents: 643
diff changeset
182 char* make_human_readable(unsigned long long size, unsigned long unit);
698
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 694
diff changeset
183
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 694
diff changeset
184 // cut helper functions
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 694
diff changeset
185 unsigned long get_int_value(const char *numstr, unsigned lowrange, unsigned highrange);