-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+/* vi: set sw=4 ts=4: */
+
+/* BB_AUDIT SUSv3 N/A -- Apparently a busybox extension. */
+
+/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * Now does proper error checking on output and returns a failure exit code
+ * if one or more paths can not be resolved.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include <limits.h>
#include <stdlib.h>
-
#include "busybox.h"
int realpath_main(int argc, char **argv)
{
- char *resolved_path;
- int count;
+ int retval = EXIT_SUCCESS;
- if (argc == 1) {
- show_usage();
- }
+#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
- resolved_path = malloc(PATH_MAX);
+ if (--argc == 0) {
+ bb_show_usage();
+ }
- for (count = 1; count < argc; count++) {
- resolved_path = realpath(argv[count], resolved_path);
- if (resolved_path) {
+ do {
+ argv++;
+ if (realpath(*argv, resolved_path) != NULL) {
puts(resolved_path);
} else {
- perror_msg("%s", argv[count]);
+ retval = EXIT_FAILURE;
+ bb_perror_msg("%s", *argv);
}
- }
- free(resolved_path);
+ } while (--argc);
+
+#if ENABLE_FEATURE_CLEAN_UP && resolved_path_MUST_FREE
+ RELEASE_CONFIG_BUFFER(resolved_path);
+#endif
- return(EXIT_SUCCESS);
-}
\ No newline at end of file
+ bb_fflush_stdout_and_exit(retval);
+}