Annotation of /trunk/mkinitrd-magellan/busybox/coreutils/readlink.c
Parent Directory | Revision Log
Revision 816 -
(hide annotations)
(download)
Fri Apr 24 18:33:46 2009 UTC (15 years, 1 month ago) by niro
File MIME type: text/plain
File size: 1063 byte(s)
Fri Apr 24 18:33:46 2009 UTC (15 years, 1 month ago) by niro
File MIME type: text/plain
File size: 1063 byte(s)
-updated to busybox-1.13.4
1 | niro | 816 | /* vi: set sw=4 ts=4: */ |
2 | /* | ||
3 | * Mini readlink implementation for busybox | ||
4 | * | ||
5 | * Copyright (C) 2000,2001 Matt Kraai <kraai@alumni.carnegiemellon.edu> | ||
6 | * | ||
7 | * Licensed under GPL v2 or later, see file LICENSE in this tarball for details. | ||
8 | */ | ||
9 | |||
10 | #include "libbb.h" | ||
11 | |||
12 | int readlink_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; | ||
13 | int readlink_main(int argc UNUSED_PARAM, char **argv) | ||
14 | { | ||
15 | char *buf; | ||
16 | char *fname; | ||
17 | char pathbuf[PATH_MAX]; | ||
18 | |||
19 | USE_FEATURE_READLINK_FOLLOW( | ||
20 | unsigned opt; | ||
21 | /* We need exactly one non-option argument. */ | ||
22 | opt_complementary = "=1"; | ||
23 | opt = getopt32(argv, "f"); | ||
24 | fname = argv[optind]; | ||
25 | ) | ||
26 | SKIP_FEATURE_READLINK_FOLLOW( | ||
27 | const unsigned opt = 0; | ||
28 | if (argc != 2) bb_show_usage(); | ||
29 | fname = argv[1]; | ||
30 | ) | ||
31 | |||
32 | /* compat: coreutils readlink reports errors silently via exit code */ | ||
33 | logmode = LOGMODE_NONE; | ||
34 | |||
35 | if (opt) { | ||
36 | buf = realpath(fname, pathbuf); | ||
37 | } else { | ||
38 | buf = xmalloc_readlink_or_warn(fname); | ||
39 | } | ||
40 | |||
41 | if (!buf) | ||
42 | return EXIT_FAILURE; | ||
43 | puts(buf); | ||
44 | |||
45 | if (ENABLE_FEATURE_CLEAN_UP && !opt) | ||
46 | free(buf); | ||
47 | |||
48 | fflush_stdout_and_exit(EXIT_SUCCESS); | ||
49 | } |