1 /* vi: set sw=4 ts=4: */
3 /* BB_AUDIT SUSv3 N/A -- Apparently a busybox extension. */
5 /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
7 * Now does proper error checking on output and returns a failure exit code
8 * if one or more paths can not be resolved.
10 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
17 int realpath_main(int argc, char **argv)
19 int retval = EXIT_SUCCESS;
21 #if PATH_MAX > (BUFSIZ+1)
22 RESERVE_CONFIG_BUFFER(resolved_path, PATH_MAX);
23 # define resolved_path_MUST_FREE 1
25 #define resolved_path bb_common_bufsiz1
26 # define resolved_path_MUST_FREE 0
35 if (realpath(*argv, resolved_path) != NULL) {
38 retval = EXIT_FAILURE;
39 bb_perror_msg("%s", *argv);
43 #if ENABLE_FEATURE_CLEAN_UP && resolved_path_MUST_FREE
44 RELEASE_CONFIG_BUFFER(resolved_path);
47 bb_fflush_stdout_and_exit(retval);