From 926be4ee559342bfaea20fb0c5fdf5a8475428e0 Mon Sep 17 00:00:00 2001
From: andersen <andersen@69ca8d6d-28ef-0310-b511-8ec308f3f277>
Date: Wed, 13 Oct 1999 21:12:06 +0000
Subject: More stuff
git-svn-id: svn://busybox.net/trunk/busybox@25 69ca8d6d-28ef-0310-b511-8ec308f3f277
---
ln.c | 114 +++++++++++++++++++++++++++++++++++++++++++++++--------------------
1 file changed, 81 insertions(+), 33 deletions(-)
(limited to 'ln.c')
diff --git a/ln.c b/ln.c
index 3e87b579e..cd3cb4e45 100644
--- a/ln.c
+++ b/ln.c
@@ -1,52 +1,100 @@
+/*
+ * Mini ln implementation for busybox
+ *
+ * Copyright (C) 1998 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
+ * 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 "internal.h"
#include <stdio.h>
-#include <sys/stat.h>
-#include <sys/param.h>
+#include <dirent.h>
#include <errno.h>
-const char ln_usage[] = "ln [-s] [-f] original-name additional-name\n"
+
+static const char ln_usage[] = "ln [-s] [-f] original-name additional-name\n"
"\n"
"\tAdd a new name that refers to the same file as \"original-name\"\n"
"\n"
"\t-s:\tUse a \"symbolic\" link, instead of a \"hard\" link.\n"
"\t-f:\tRemove existing destination files.\n";
-int
-ln_fn(const struct FileInfo * i)
+
+static int symlinkFlag = FALSE;
+static int removeoldFlag = FALSE;
+static const char *destName;
+
+
+extern int ln_main(int argc, char **argv)
{
- int status = 0;
- char d[PATH_MAX];
- const char * destination = i->destination;
+ int status;
+ char newdestName[NAME_MAX];
- if ( !i->makeSymbolicLink && (i->stat.st_mode & S_IFMT) == S_IFDIR ) {
- fprintf(stderr, "Please use \"ln -s\" to link directories.\n");
- return 1;
- }
+ if (argc < 3) {
+ fprintf(stderr, "Usage: %s", ln_usage);
+ exit (FALSE);
+ }
+ argc--;
+ argv++;
- /*
- * If the destination is a directory, create a file within it.
- */
- if ( is_a_directory(i->destination) ) {
- destination = join_paths(
- d
- ,i->destination
- ,&i->source[i->directoryLength]);
- }
+ /* Parse any options */
+ while (**argv == '-') {
+ while (*++(*argv))
+ switch (**argv) {
+ case 's':
+ symlinkFlag = TRUE;
+ break;
+ case 'f':
+ removeoldFlag = TRUE;
+ break;
+ default:
+ fprintf(stderr, "Usage: %s\n", ln_usage);
+ exit(FALSE);
+ }
+ argc--;
+ argv++;
+ }
- if ( i->force )
- status = ( unlink(destination) && errno != ENOENT );
- if ( status == 0 ) {
- if ( i->makeSymbolicLink )
- status = symlink(i->source, destination);
- else
- status = link(i->source, destination);
- }
+ destName = argv[argc - 1];
- if ( status != 0 ) {
- name_and_error(destination);
- return 1;
+ if ((argc > 3) && !(isDirectory(destName))) {
+ fprintf(stderr, "%s: not a directory\n", destName);
+ exit (FALSE);
+ }
+
+ while (argc-- >= 2) {
+ strcpy(newdestName, destName);
+ strcat(newdestName, (*argv)+(strlen(*(++argv))));
+
+ if (removeoldFlag==TRUE ) {
+ status = ( unlink(newdestName) && errno != ENOENT );
+ if ( status != 0 ) {
+ perror(newdestName);
+ exit( FALSE);
+ }
}
+ if ( symlinkFlag==TRUE)
+ status = symlink(*argv, newdestName);
else
- return 0;
+ status = link(*argv, newdestName);
+ if ( status != 0 ) {
+ perror(newdestName);
+ exit( FALSE);
+ }
+ }
+ exit( TRUE);
}
--
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