emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

- CONFIG_FEATURE_READLINK_FOLLOW readlink -f patch from Colin Watson <cjwatson@debian.org> on busybox mailing list 08/11/04

Browse Source
This commit is contained in:
Ned Ludd
2004-12-08 16:47:28 +00:00
parent d824853de3
commit c6fbed5dba
3 changed files with 39 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
debianutils/readlink.c
View File

@ -23,18 +23,38 @@
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#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;
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
/* no options, no getopt */
if (argc != 2)
if (optind + 1 != argc)
bb_show_usage();
buf = xreadlink(argv[1]);
#ifdef CONFIG_FEATURE_READLINK_FOLLOW
if (opt & READLINK_FLAG_f) {
buf = realpath(argv[optind], resolved_path);
} else
#endif
buf = xreadlink(argv[optind]);
if (!buf)
return EXIT_FAILURE;
puts(buf);