| -rw-r--r-- | rsync/fileutil.c | 70 |
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; +} |