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/*
* fontconfig/src/fccompat.c
*
* Copyright © 2012 Red Hat, Inc.
*
* Author(s):
* Akira TAGOH
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the author(s) not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. The authors make no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "fcint.h"
#if HAVE_FCNTL_H
#include <fcntl.h>
#endif
#include <stdarg.h>
#include <stdlib.h>
#ifdef O_CLOEXEC
#define FC_O_CLOEXEC O_CLOEXEC
#else
#define FC_O_CLOEXEC 0
#endif
#ifdef O_LARGEFILE
#define FC_O_LARGEFILE O_LARGEFILE
#else
#define FC_O_LARGEFILE 0
#endif
int
FcOpen(const char *pathname, int flags, ...)
{
int fd = -1;
if (flags & O_CREAT)
{
va_list ap;
mode_t mode;
va_start(ap, flags);
mode = (mode_t) va_arg(ap, int);
va_end(ap);
fd = open(pathname, flags | FC_O_CLOEXEC | FC_O_LARGEFILE, mode);
}
else
{
fd = open(pathname, flags | FC_O_CLOEXEC | FC_O_LARGEFILE);
}
return fd;
}
int
FcMakeTempfile (char *template)
{
int fd = -1;
#if HAVE_MKOSTEMP
fd = mkostemp (template, FC_O_CLOEXEC);
#elif HAVE_MKSTEMP
fd = mkstemp (template);
# ifdef F_DUPFD_CLOEXEC
if (fd != -1)
{
int newfd = fcntl(fd, F_DUPFD_CLOEXEC);
close(fd);
fd = newfd;
}
# elif defined(FD_CLOEXEC)
if (fd != -1)
{
fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
}
# endif
#elif HAVE__MKTEMP_S
if (_mktemp_s(template, strlen(template) + 1) != 0)
return -1;
fd = FcOpen(template, O_RDWR | O_EXCL | O_CREAT, 0600);
#else
#error no secure functions to create a temporary file
#endif
return fd;
}
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