blob: bcb73a8dc53d03d5fe7b63916d44e0e451349c5b (
plain)
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
|
/* vi: set sw=4 ts=4: */
/* 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 cannot be resolved.
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include "libbb.h"
int realpath_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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_simple_perror_msg(*argv);
}
} while (--argc);
#if ENABLE_FEATURE_CLEAN_UP && resolved_path_MUST_FREE
RELEASE_CONFIG_BUFFER(resolved_path);
#endif
fflush_stdout_and_exit(retval);
}
|
