Mercurial > hg > toybox
annotate toys/other/which.c @ 684:4d9fa8b8a300
Use stridx.
author | Rob Landley <rob@landley.net> |
---|---|
date | Fri, 02 Nov 2012 09:50:09 -0500 |
parents | 6df4ccc0acbe |
children | 786841fdb1e0 |
rev | line source |
---|---|
233
d4176f3f3835
Zap toys/Config.in and instead create generated/Config.in from contents of
Rob Landley <rob@landley.net>
parents:
194
diff
changeset
|
1 /* vi: set sw=4 ts=4: |
d4176f3f3835
Zap toys/Config.in and instead create generated/Config.in from contents of
Rob Landley <rob@landley.net>
parents:
194
diff
changeset
|
2 * |
151
bb6048c923ec
Add or correct file descriptions
Charlie Shepherd <masterdriverz@gentoo.org>
parents:
90
diff
changeset
|
3 * which.c - Find executable files in $PATH. |
20
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
4 * |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
5 * Copyright 2006 Rob landley <rob@landley.net> |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
6 |
295
5a0faa267866
Fix which (the meaning of -a was reversed, and it was finding the _last_ hit).
Rob Landley <rob@landley.net>
parents:
234
diff
changeset
|
7 USE_WHICH(NEWTOY(which, "<1a", TOYFLAG_USR|TOYFLAG_BIN)) |
234
163498bf547b
Move NEWTOY() list from end of toylist.h to generated/newtoys.h.
Rob Landley <rob@landley.net>
parents:
233
diff
changeset
|
8 |
233
d4176f3f3835
Zap toys/Config.in and instead create generated/Config.in from contents of
Rob Landley <rob@landley.net>
parents:
194
diff
changeset
|
9 config WHICH |
d4176f3f3835
Zap toys/Config.in and instead create generated/Config.in from contents of
Rob Landley <rob@landley.net>
parents:
194
diff
changeset
|
10 bool "which" |
d4176f3f3835
Zap toys/Config.in and instead create generated/Config.in from contents of
Rob Landley <rob@landley.net>
parents:
194
diff
changeset
|
11 default y |
d4176f3f3835
Zap toys/Config.in and instead create generated/Config.in from contents of
Rob Landley <rob@landley.net>
parents:
194
diff
changeset
|
12 help |
d4176f3f3835
Zap toys/Config.in and instead create generated/Config.in from contents of
Rob Landley <rob@landley.net>
parents:
194
diff
changeset
|
13 usage: which [-a] filename ... |
d4176f3f3835
Zap toys/Config.in and instead create generated/Config.in from contents of
Rob Landley <rob@landley.net>
parents:
194
diff
changeset
|
14 |
d4176f3f3835
Zap toys/Config.in and instead create generated/Config.in from contents of
Rob Landley <rob@landley.net>
parents:
194
diff
changeset
|
15 Search $PATH for executable files matching filename(s). |
d4176f3f3835
Zap toys/Config.in and instead create generated/Config.in from contents of
Rob Landley <rob@landley.net>
parents:
194
diff
changeset
|
16 |
d4176f3f3835
Zap toys/Config.in and instead create generated/Config.in from contents of
Rob Landley <rob@landley.net>
parents:
194
diff
changeset
|
17 -a Show all matches |
d4176f3f3835
Zap toys/Config.in and instead create generated/Config.in from contents of
Rob Landley <rob@landley.net>
parents:
194
diff
changeset
|
18 */ |
20
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
19 #include "toys.h" |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
20 |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
21 // Find an exectuable file either at a path with a slash in it (absolute or |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
22 // relative to current directory), or in $PATH. Returns absolute path to file, |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
23 // or NULL if not found. |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
24 |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
25 static int which_in_path(char *filename) |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
26 { |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
27 struct string_list *list; |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
28 |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
29 // If they gave us a path, don't worry about $PATH or -a |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
30 |
535
d51be130fda2
More stabs at getting #includes right, and moving off of deprecated functions.
Rob Landley <rob@landley.net>
parents:
295
diff
changeset
|
31 if (strchr(filename, '/')) { |
20
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
32 // Confirm it has the executable bit set, and it's not a directory. |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
33 if (!access(filename, X_OK)) { |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
34 struct stat st; |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
35 |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
36 if (!stat(filename, &st) && S_ISREG(st.st_mode)) { |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
37 puts(filename); |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
38 return 0; |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
39 } |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
40 return 1; |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
41 } |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
42 } |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
43 |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
44 // Search $PATH for matches. |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
45 list = find_in_path(getenv("PATH"), filename); |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
46 if (!list) return 1; |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
47 |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
48 // Print out matches |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
49 while (list) { |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
50 if (!access(list->str, X_OK)) { |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
51 puts(list->str); |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
52 // If we should stop at one match, do so |
295
5a0faa267866
Fix which (the meaning of -a was reversed, and it was finding the _last_ hit).
Rob Landley <rob@landley.net>
parents:
234
diff
changeset
|
53 if (!toys.optflags) { |
624
1e8b9acdafeb
Genericize llist code a bit: rename llist_free() to llist_traverse(), and no longer accept NULL as a synonym for free.
Rob Landley <rob@landley.net>
parents:
535
diff
changeset
|
54 llist_traverse(list, free); |
20
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
55 break; |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
56 } |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
57 } |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
58 free(llist_pop(&list)); |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
59 } |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
60 |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
61 return 0; |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
62 } |
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
63 |
186
25447caf1b4b
Change command main() functions to return void, and exit(toys.exitval) from
Rob Landley <rob@landley.net>
parents:
151
diff
changeset
|
64 void which_main(void) |
20
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
65 { |
295
5a0faa267866
Fix which (the meaning of -a was reversed, and it was finding the _last_ hit).
Rob Landley <rob@landley.net>
parents:
234
diff
changeset
|
66 int i; |
5a0faa267866
Fix which (the meaning of -a was reversed, and it was finding the _last_ hit).
Rob Landley <rob@landley.net>
parents:
234
diff
changeset
|
67 for (i=0; toys.optargs[i]; i++) |
5a0faa267866
Fix which (the meaning of -a was reversed, and it was finding the _last_ hit).
Rob Landley <rob@landley.net>
parents:
234
diff
changeset
|
68 toys.exitval |= which_in_path(toys.optargs[i]); |
20
3981c96f9285
Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
69 } |