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| author | Rob Landley <rob@landley.net> | 2005-09-11 23:45:28 +0000 |
|---|---|---|
| committer | Rob Landley <rob@landley.net> | 2005-09-11 23:45:28 +0000 |
| commit | ba50217281e9265aa5935d184f698204143e765f (patch) | |
| tree | 35a1e3986f566e87e18ec097a44ba9e165c15aa2 | |
| parent | a7e14db495389371add9d2529adeaaf5566a5b36 (diff) | |
| download | busybox-ba50217281e9265aa5935d184f698204143e765f.tar.gz | |
Clean up memory allocation.
| -rw-r--r-- | debianutils/readlink.c | 40 |
1 files changed, 8 insertions, 32 deletions
diff --git a/debianutils/readlink.c b/debianutils/readlink.c index dd5612052..3042b83ec 100644 --- a/debianutils/readlink.c +++ b/debianutils/readlink.c @@ -4,20 +4,7 @@ * * Copyright (C) 2000,2001 Matt Kraai <kraai@alumni.carnegiemellon.edu> * - * 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 - * + * Licensed under GPL v2, see file LICENSE in this tarball for details. */ #include <errno.h> @@ -26,31 +13,20 @@ #include <getopt.h> #include "busybox.h" -#ifdef CONFIG_FEATURE_READLINK_FOLLOW -# define READLINK_FOLLOW "f" -# define READLINK_FLAG_f (1 << 0) -#else -# define READLINK_FOLLOW "" -#endif - -static const char readlink_options[] = READLINK_FOLLOW; +#define READLINK_FLAG_f (1 << 0) int readlink_main(int argc, char **argv) { - char *buf = NULL; - unsigned long opt = bb_getopt_ulflags(argc, argv, readlink_options); -#ifdef CONFIG_FEATURE_READLINK_FOLLOW - RESERVE_CONFIG_BUFFER(resolved_path, PATH_MAX); -#endif + char *buf; + unsigned long opt = bb_getopt_ulflags(argc, argv, + ENABLE_FEATURE_READLINK_FOLLOW ? "f" : ""); if (optind + 1 != argc) bb_show_usage(); -#ifdef CONFIG_FEATURE_READLINK_FOLLOW - if (opt & READLINK_FLAG_f) { - buf = realpath(argv[optind], resolved_path); - } else -#endif + if (ENABLE_FEATURE_READLINK_FOLLOW && (opt & READLINK_FLAG_f)) + buf = realpath(argv[optind], NULL); + else buf = xreadlink(argv[optind]); if (!buf) |