Bump to version 1.22.1
[platform/upstream/busybox.git] / coreutils / realpath.c
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 source tree.
11  */
12
13 //usage:#define realpath_trivial_usage
14 //usage:       "FILE..."
15 //usage:#define realpath_full_usage "\n\n"
16 //usage:       "Return the absolute pathnames of given FILE"
17
18 #include "libbb.h"
19
20 int realpath_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
21 int realpath_main(int argc UNUSED_PARAM, char **argv)
22 {
23         int retval = EXIT_SUCCESS;
24
25         if (!*++argv) {
26                 bb_show_usage();
27         }
28
29         do {
30                 char *resolved_path = xmalloc_realpath(*argv);
31                 if (resolved_path != NULL) {
32                         puts(resolved_path);
33                         free(resolved_path);
34                 } else {
35                         retval = EXIT_FAILURE;
36                         bb_simple_perror_msg(*argv);
37                 }
38         } while (*++argv);
39
40         fflush_stdout_and_exit(retval);
41 }