busybox/coreutils/realpath.c

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/*
* 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.
*/
#include <limits.h>
#include <stdlib.h>
#include "busybox.h"
int realpath_main(int argc, char **argv)
{
RESERVE_CONFIG_BUFFER(resolved_path, PATH_MAX);
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if (--argc == 0) {
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show_usage();
}
do {
argv++;
if (realpath(*argv, resolved_path) != NULL) {
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puts(resolved_path);
} else {
perror_msg("%s", *argv);
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}
} while (--argc);
RELEASE_CONFIG_BUFFER(resolved_path);
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return(EXIT_SUCCESS);
}