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path: root/coreutils/realpath.c (plain)
blob: c513b554954287c707900b9d9050ddd7a7b9822e
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
20int realpath_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
21int 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}
42