added wrappers around all the system calls that can change what is on

disk. The wrappers check for dry_run.

1 files changed, 61 insertions, 0 deletions

diff --git a/syscall.c b/syscall.c
new file mode 100644
index 00000000..d92cb314
--- /dev/null
+++ b/syscall.c
@@ -0,0 +1,61 @@
+/* 
+   Copyright (C) Andrew Tridgell 1998
+   
+   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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+  syscall wrappers to ensure that nothing gets done in dry_run mode
+  */
+
+#include "rsync.h"
+
+extern int dry_run;
+
+int do_unlink(char *fname)
+{
+	if (dry_run) return 0;
+	return unlink(fname);
+}
+
+int do_symlink(char *fname1, char *fname2)
+{
+	if (dry_run) return 0;
+	return symlink(fname1, fname2);
+}
+
+int do_link(char *fname1, char *fname2)
+{
+	if (dry_run) return 0;
+	return link(fname1, fname2);
+}
+
+int do_mknod(char *pathname, mode_t mode, dev_t dev)
+{
+	if (dry_run) return 0;
+	return mknod(pathname, mode, dev);
+}
+
+int do_rmdir(char *pathname)
+{
+	if (dry_run) return 0;
+	return rmdir(pathname);
+}
+
+int do_open(char *pathname, int flags, mode_t mode)
+{
+	if (dry_run) return -1;
+	return open(pathname, flags, mode);
+}