From 1f3e8dc36947bdcc2d008fba3cdc29e2c79f9c27 Mon Sep 17 00:00:00 2001
From: andersen <andersen@69ca8d6d-28ef-0310-b511-8ec308f3f277>
Date: Tue, 5 Oct 1999 16:24:54 +0000
Subject: Initial revision

git-svn-id: svn://busybox.net/trunk/busybox@5 69ca8d6d-28ef-0310-b511-8ec308f3f277
---
 ln.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 ln.c

(limited to 'ln.c')

diff --git a/ln.c b/ln.c
new file mode 100644
index 000000000..3e87b579e
--- /dev/null
+++ b/ln.c
@@ -0,0 +1,52 @@
+#include "internal.h"
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+#include <errno.h>
+
+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)
+{
+	int				status = 0;
+	char			d[PATH_MAX];
+	const char *	destination = i->destination;
+
+	if ( !i->makeSymbolicLink && (i->stat.st_mode & S_IFMT) == S_IFDIR ) {
+		fprintf(stderr, "Please use \"ln -s\" to link directories.\n");
+		return 1;
+	}
+
+	/*
+	 * 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]);
+	}
+
+	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);
+	}
+
+	if ( status != 0 ) {
+		name_and_error(destination);
+		return 1;
+	}
+	else
+		return 0;
+}
-- 
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