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/*
* sb_open.c
*
* IO functions.
*
* Copyright 1999-2006 Gentoo Foundation
*
*
* 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 version 2 of the License.
*
* 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.
*
* $Header$
*/
#include <errno.h>
#include <stdio.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include "sbutil.h"
static int (*sbio_open)(const char *, int, mode_t) = (void *)open;
void sb_set_open(void *new_open)
{
if (!check_ptr(new_open))
return;
sbio_open = new_open;
}
/* General purpose function to _reliably_ open a file
*
* Returns the file descriptor or -1 on error (and errno set)
*/
int sb_open(const char *path, int flags, mode_t mode)
{
int fd;
do {
fd = sbio_open(path, flags, mode);
} while ((-1 == fd) && (EINTR == errno));
if ((-1 != fd) && (0 != errno))
/* Do not trigger debugging */
errno = 0;
if (-1 == fd)
DBG_MSG("Failed to open file '%s'!\n", path);
return fd;
}
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