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/* 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 "busybox.h"
int realpath_main(int argc, 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 (--argc == 0) {
bb_show_usage();
}
do {
argv++;
if (realpath(*argv, resolved_path) != NULL) {
puts(resolved_path);
} else {
retval = EXIT_FAILURE;
bb_perror_msg("%s", *argv);
}
} while (--argc);
#if ENABLE_FEATURE_CLEAN_UP && resolved_path_MUST_FREE
RELEASE_CONFIG_BUFFER(resolved_path);
#endif
fflush_stdout_and_exit(retval);
}
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