Contents of /tags/mkinitrd-6_1_5/busybox/coreutils/realpath.c
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Wed Aug 5 17:52:52 2009 UTC (15 years, 1 month ago) by niro
File MIME type: text/plain
File size: 1077 byte(s)
Wed Aug 5 17:52:52 2009 UTC (15 years, 1 month ago) by niro
File MIME type: text/plain
File size: 1077 byte(s)
tagged 'mkinitrd-6_1_5'
1 | /* vi: set sw=4 ts=4: */ |
2 | |
3 | /* BB_AUDIT SUSv3 N/A -- Apparently a busybox extension. */ |
4 | |
5 | /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) |
6 | * |
7 | * Now does proper error checking on output and returns a failure exit code |
8 | * if one or more paths cannot be resolved. |
9 | * |
10 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
11 | */ |
12 | |
13 | #include "libbb.h" |
14 | |
15 | int realpath_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
16 | int realpath_main(int argc UNUSED_PARAM, char **argv) |
17 | { |
18 | int retval = EXIT_SUCCESS; |
19 | |
20 | #if PATH_MAX > (BUFSIZ+1) |
21 | RESERVE_CONFIG_BUFFER(resolved_path, PATH_MAX); |
22 | # define resolved_path_MUST_FREE 1 |
23 | #else |
24 | #define resolved_path bb_common_bufsiz1 |
25 | # define resolved_path_MUST_FREE 0 |
26 | #endif |
27 | |
28 | if (!*++argv) { |
29 | bb_show_usage(); |
30 | } |
31 | |
32 | do { |
33 | if (realpath(*argv, resolved_path) != NULL) { |
34 | puts(resolved_path); |
35 | } else { |
36 | retval = EXIT_FAILURE; |
37 | bb_simple_perror_msg(*argv); |
38 | } |
39 | } while (*++argv); |
40 | |
41 | #if ENABLE_FEATURE_CLEAN_UP && resolved_path_MUST_FREE |
42 | RELEASE_CONFIG_BUFFER(resolved_path); |
43 | #endif |
44 | |
45 | fflush_stdout_and_exit(retval); |
46 | } |