/*
* Mini ln implementation for busybox
*
- * Copyright (C) 1999,2000 by Lineo, inc.
- * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
+ * Copyright (C) 1999,2000,2001 by Erik Andersen <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
*
*/
-#include "busybox.h"
-#define BB_DECLARE_EXTERN
-#define bb_need_not_a_directory
-#include "messages.c"
-
#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;
* 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)
+static int fs_link(const char *link_destname, const char *link_srcname,
+ const int flag)
{
int status;
- int srcIsDir;
- char *srcName;
+ int src_is_dir;
+ char *src_name = 0;
+ const char *src;
- if (link_DestName==NULL)
+ if (link_destname==NULL)
return(FALSE);
- srcName = (char *) malloc(strlen(link_SrcName)+strlen(link_DestName)+1);
-
- if (link_SrcName==NULL)
- strcpy(srcName, link_DestName);
+ if (link_srcname==NULL)
+ src = link_destname;
else
- strcpy(srcName, link_SrcName);
+ src = link_srcname;
if (flag&LN_NODEREFERENCE)
- srcIsDir = is_directory(srcName, TRUE, NULL);
+ src_is_dir = is_directory(src, TRUE, NULL);
else
- srcIsDir = is_directory(srcName, FALSE, NULL);
+ src_is_dir = is_directory(src, FALSE, NULL);
- if ((srcIsDir==TRUE)&&((flag&LN_NODEREFERENCE)==0)) {
- strcat(srcName, "/");
- strcat(srcName, link_DestName);
+ if ((src_is_dir==TRUE)&&((flag&LN_NODEREFERENCE)==0)) {
+ char* srcdir_name;
+
+ srcdir_name = xstrdup(link_destname);
+ src_name = concat_path_file(src, get_last_path_component(srcdir_name));
+ src = src_name;
+ free(srcdir_name);
}
if (flag&LN_FORCE)
- unlink(srcName);
+ unlink(src);
if (flag&LN_SYMLINK)
- status = symlink(link_DestName, srcName);
+ status = symlink(link_destname, src);
else
- status = link(link_DestName, srcName);
+ status = link(link_destname, src);
if (status != 0) {
- perror(srcName);
- return(FALSE);
+ perror_msg(src);
+ status = FALSE;
+ } else {
+ status = TRUE;
}
- return(TRUE);
+ free(src_name);
+ return status;
}
extern int ln_main(int argc, char **argv)
flag |= LN_NODEREFERENCE;
break;
default:
- usage(ln_usage);
+ 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++;
}
- return(status);
+ return status;
}
/*