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authorkergoth <kergoth>2002-01-25 22:14:26 (UTC)
committer kergoth <kergoth>2002-01-25 22:14:26 (UTC)
commit15318cad33835e4e2dc620d033e43cd930676cdd (patch) (side-by-side diff)
treec2fa0399a2c47fda8e2cd0092c73a809d17f68eb /rsync/fileutil.c
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Initial revision
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+/*= -*- 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;
+}