imported original firmware WRT54GL_v4.30.11_11_US

1 files changed, 131 insertions, 0 deletions

diff --git a/release/src/router/busybox/ln.c b/release/src/router/busybox/ln.c
new file mode 100644
index 00000000..7412a86f
--- /dev/null
+++ b/release/src/router/busybox/ln.c
@@ -0,0 +1,131 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini ln implementation for busybox
+ *
+ * Copyright (C) 1999,2000,2001 by Lineo, inc.
+ * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ *
+ * 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 <stdio.h>
+#include <dirent.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+#include "busybox.h"
+
+
+static const int LN_SYMLINK = 1;
+static const int LN_FORCE = 2;
+static const int LN_NODEREFERENCE = 4;
+
+/*
+ * linkDestName is where the link points to,
+ * linkSrcName is the name of the link to be created.
+ */
+static int fs_link(const char *link_destname, const char *link_srcname, 
+		const int flag)
+{
+	int status;
+	int src_is_dir;
+	char *src_name;
+
+	if (link_destname==NULL)
+		return(FALSE);
+
+	src_name = (char *) xmalloc(strlen(link_srcname)+strlen(link_destname)+1);
+
+	if (link_srcname==NULL)
+		strcpy(src_name, link_destname);
+	else
+		strcpy(src_name, link_srcname);
+
+	if (flag&LN_NODEREFERENCE)
+		src_is_dir = is_directory(src_name, TRUE, NULL);
+	else
+		src_is_dir = is_directory(src_name, FALSE, NULL);	
+	
+	if ((src_is_dir==TRUE)&&((flag&LN_NODEREFERENCE)==0)) {
+		char* srcdir_name;
+
+		srcdir_name = xstrdup(link_destname);
+		strcat(src_name, "/");
+		strcat(src_name, get_last_path_component(srcdir_name));
+		free(srcdir_name);
+	}
+	
+	if (flag&LN_FORCE)
+		unlink(src_name);
+		
+	if (flag&LN_SYMLINK)
+		status = symlink(link_destname, src_name);
+	else
+		status = link(link_destname, src_name);
+
+	if (status != 0) {
+		perror_msg(src_name);
+		return(FALSE);
+	}
+	return(TRUE);
+}
+
+extern int ln_main(int argc, char **argv)
+{
+	int status = EXIT_SUCCESS;
+	int flag = 0;
+	int opt;
+	
+	/* Parse any options */
+	while ((opt=getopt(argc, argv, "sfn")) != -1) {
+		switch(opt) {
+			case 's':
+				flag |= LN_SYMLINK;
+				break;
+			case 'f':
+				flag |= LN_FORCE;
+				break;
+			case 'n':
+				flag |= LN_NODEREFERENCE;
+				break;
+			default:
+				show_usage();
+		}
+	}
+	if (optind > (argc-1)) {
+		show_usage();
+	} 
+	if (optind == (argc-1)) {
+		if (fs_link(argv[optind], 
+					get_last_path_component(argv[optind]), flag)==FALSE)
+			status = EXIT_FAILURE;
+	}
+	while(optind<(argc-1)) {
+		if (fs_link(argv[optind], argv[argc-1], flag)==FALSE)
+			status = EXIT_FAILURE;
+		optind++;
+	}
+	exit(status);
+}
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/