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-rw-r--r--ln.c131
1 files changed, 0 insertions, 131 deletions
diff --git a/ln.c b/ln.c
deleted file mode 100644
index 7412a86fd..000000000
--- a/ln.c
+++ /dev/null
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1/* vi: set sw=4 ts=4: */
2/*
3 * Mini ln implementation for busybox
4 *
5 * Copyright (C) 1999,2000,2001 by Lineo, inc.
6 * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
24#include <stdio.h>
25#include <dirent.h>
26#include <string.h>
27#include <stdlib.h>
28#include <errno.h>
29#include <unistd.h>
30#include "busybox.h"
31
32
33static const int LN_SYMLINK = 1;
34static const int LN_FORCE = 2;
35static const int LN_NODEREFERENCE = 4;
36
37/*
38 * linkDestName is where the link points to,
39 * linkSrcName is the name of the link to be created.
40 */
41static int fs_link(const char *link_destname, const char *link_srcname,
42 const int flag)
43{
44 int status;
45 int src_is_dir;
46 char *src_name;
47
48 if (link_destname==NULL)
49 return(FALSE);
50
51 src_name = (char *) xmalloc(strlen(link_srcname)+strlen(link_destname)+1);
52
53 if (link_srcname==NULL)
54 strcpy(src_name, link_destname);
55 else
56 strcpy(src_name, link_srcname);
57
58 if (flag&LN_NODEREFERENCE)
59 src_is_dir = is_directory(src_name, TRUE, NULL);
60 else
61 src_is_dir = is_directory(src_name, FALSE, NULL);
62
63 if ((src_is_dir==TRUE)&&((flag&LN_NODEREFERENCE)==0)) {
64 char* srcdir_name;
65
66 srcdir_name = xstrdup(link_destname);
67 strcat(src_name, "/");
68 strcat(src_name, get_last_path_component(srcdir_name));
69 free(srcdir_name);
70 }
71
72 if (flag&LN_FORCE)
73 unlink(src_name);
74
75 if (flag&LN_SYMLINK)
76 status = symlink(link_destname, src_name);
77 else
78 status = link(link_destname, src_name);
79
80 if (status != 0) {
81 perror_msg(src_name);
82 return(FALSE);
83 }
84 return(TRUE);
85}
86
87extern int ln_main(int argc, char **argv)
88{
89 int status = EXIT_SUCCESS;
90 int flag = 0;
91 int opt;
92
93 /* Parse any options */
94 while ((opt=getopt(argc, argv, "sfn")) != -1) {
95 switch(opt) {
96 case 's':
97 flag |= LN_SYMLINK;
98 break;
99 case 'f':
100 flag |= LN_FORCE;
101 break;
102 case 'n':
103 flag |= LN_NODEREFERENCE;
104 break;
105 default:
106 show_usage();
107 }
108 }
109 if (optind > (argc-1)) {
110 show_usage();
111 }
112 if (optind == (argc-1)) {
113 if (fs_link(argv[optind],
114 get_last_path_component(argv[optind]), flag)==FALSE)
115 status = EXIT_FAILURE;
116 }
117 while(optind<(argc-1)) {
118 if (fs_link(argv[optind], argv[argc-1], flag)==FALSE)
119 status = EXIT_FAILURE;
120 optind++;
121 }
122 exit(status);
123}
124
125/*
126Local Variables:
127c-file-style: "linux"
128c-basic-offset: 4
129tab-width: 4
130End:
131*/