diff options
Diffstat (limited to 'busybox/coreutils/realpath.c')
-rw-r--r-- | busybox/coreutils/realpath.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/busybox/coreutils/realpath.c b/busybox/coreutils/realpath.c new file mode 100644 index 0000000..ec98221 --- /dev/null +++ b/busybox/coreutils/realpath.c @@ -0,0 +1,54 @@ +/* + * 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. + * + * 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. + * + * 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. + */ + +/* 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 can not be resolved. + */ + +#include <limits.h> +#include <stdlib.h> +#include "busybox.h" + +int realpath_main(int argc, char **argv) +{ + int retval = EXIT_SUCCESS; + + RESERVE_CONFIG_BUFFER(resolved_path, PATH_MAX); + + 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); + +#ifdef CONFIG_FEATURE_CLEAN_UP + RELEASE_CONFIG_BUFFER(resolved_path); +#endif + + bb_fflush_stdout_and_exit(retval); +} |