* initial import from the cvs-tools module

1 files changed, 65 insertions, 0 deletions

diff --git a/usr.bin/cvs/lock.c b/usr.bin/cvs/lock.c
new file mode 100644
index 00000000000..3dddc4c0508
--- /dev/null
+++ b/usr.bin/cvs/lock.c
@@ -0,0 +1,65 @@
+/*	$OpenBSD: lock.c,v 1.1 2004/07/13 22:02:40 jfb Exp $	*/
+/*
+ * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ * 2. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <stdlib.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <err.h>
+#include <errno.h>
+#include <string.h>
+
+#include "cvs.h"
+
+
+
+
+
+int
+cvs_lock(const char *path)
+{
+	int fd;
+
+	fd = open(path, O_WRONLY|O_CREAT|O_EXCL);
+	if (fd == -1) {
+		warn("failed to open lock file `%s'", path);
+		return (-1);
+	}
+
+	return (0);
+}
+
+
+int
+cvs_unlock(const char *path)
+{
+
+
+
+}