/* * 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; #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 bb_fflush_stdout_and_exit(retval); }