1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*
* 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);
}
|
