busybox/coreutils/realpath.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 (!*++argv) {
		bb_show_usage();
	}

	do {
		char *resolved_path = xmalloc_realpath(*argv);
		if (resolved_path != NULL) {
			puts(resolved_path);
			free(resolved_path);
		} else {
			retval = EXIT_FAILURE;
			bb_simple_perror_msg(*argv);
		}
	} while (*++argv);

	fflush_stdout_and_exit(retval);
}
1	niro	532	/* 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 tarball for details.
11			*/
12
13	niro	816	#include "libbb.h"
14	niro	532
15	niro	816	int realpath_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
16			int realpath_main(int argc UNUSED_PARAM, char **argv)
17	niro	532	{
18			int retval = EXIT_SUCCESS;
19
20	niro	816	if (!*++argv) {
21	niro	532	bb_show_usage();
22			}
23
24			do {
25	niro	1123	char resolved_path = xmalloc_realpath(argv);
26			if (resolved_path != NULL) {
27	niro	532	puts(resolved_path);
28	niro	1123	free(resolved_path);
29	niro	532	} else {
30			retval = EXIT_FAILURE;
31	niro	816	bb_simple_perror_msg(*argv);
32	niro	532	}
33	niro	816	} while (*++argv);
34	niro	532
35			fflush_stdout_and_exit(retval);
36			}