Initial revision

1 files changed, 70 insertions, 0 deletions

diff --git a/rsync/fileutil.c b/rsync/fileutil.c
new file mode 100644
index 0000000..75a6bb4
--- a/dev/null
+++ b/rsync/fileutil.c
@@ -0,0 +1,70 @@
+/*= -*- c-basic-offset: 4; indent-tabs-mode: nil; -*-
+ *
+ * librsync -- library for network deltas
+ * $Id$
+ * 
+ * Copyright (C) 1999, 2000, 2001 by Martin Pool <mbp@samba.org>
+ * Copyright (C) 1999 by Andrew Tridgell <tridge@samba.org>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config_rsync.h>
+
+#include <assert.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/file.h>
+#include <string.h>
+#include <errno.h>
+
+#include "rsync.h"
+#include "fileutil.h"
+#include "trace.h"
+
+
+
+/**
+ * \brief Open a file, with special handling for `-' or unspecified
+ * parameters on input and output.
+ *
+ * \param fopen-style mode string.
+ */
+FILE *
+rs_file_open(char const *filename, char const *mode)
+{
+    FILE           *f;
+    int		    is_write;
+
+    is_write = mode[0] == 'w';
+
+    if (!filename  ||  !strcmp("-", filename)) {
+	if (is_write)
+	    return stdout;
+	else
+	    return stdin;
+    }
+
+    if (!(f = fopen(filename, mode))) {
+	rs_error("Error opening \"%s\" for %s: %s", filename,
+		  is_write ? "write" : "read",
+		  strerror(errno));
+	exit(RS_IO_ERROR);
+    }
+    
+    return f;
+}