mirror of
https://git.busybox.net/busybox.git
synced 2024-12-19 02:13:22 +08:00
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/* vi: set sw=4 ts=4: */
|
|
|
|
/* BB_AUDIT SUSv3 N/A -- Apparently a busybox extension. */
|
|
|
|
/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
|
|
*
|
|
* Now does proper error checking on output and returns a failure exit code
|
|
* if one or more paths cannot be resolved.
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
|
*/
|
|
|
|
#include "libbb.h"
|
|
|
|
int realpath_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
|
int realpath_main(int argc UNUSED_PARAM, char **argv)
|
|
{
|
|
int retval = EXIT_SUCCESS;
|
|
|
|
#if PATH_MAX > (BUFSIZ+1)
|
|
RESERVE_CONFIG_BUFFER(resolved_path, PATH_MAX);
|
|
# define resolved_path_MUST_FREE 1
|
|
#else
|
|
#define resolved_path bb_common_bufsiz1
|
|
# define resolved_path_MUST_FREE 0
|
|
#endif
|
|
|
|
if (!*++argv) {
|
|
bb_show_usage();
|
|
}
|
|
|
|
do {
|
|
if (realpath(*argv, resolved_path) != NULL) {
|
|
puts(resolved_path);
|
|
} else {
|
|
retval = EXIT_FAILURE;
|
|
bb_simple_perror_msg(*argv);
|
|
}
|
|
} while (*++argv);
|
|
|
|
#if ENABLE_FEATURE_CLEAN_UP && resolved_path_MUST_FREE
|
|
RELEASE_CONFIG_BUFFER(resolved_path);
|
|
#endif
|
|
|
|
fflush_stdout_and_exit(retval);
|
|
}
|