mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 14:30:06 +00:00
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* Linux openat syscall implementation, LFS.
|
|
Copyright (C) 2007-2023 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library 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.
|
|
|
|
The GNU C Library 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 the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <fcntl.h>
|
|
#include <stdarg.h>
|
|
|
|
#include <sysdep-cancel.h>
|
|
|
|
/* Open FILE with access OFLAG. Interpret relative paths relative to
|
|
the directory associated with FD. If OFLAG includes O_CREAT or
|
|
O_TMPFILE, a fourth argument is the file protection. */
|
|
int
|
|
__libc_openat64 (int fd, const char *file, int oflag, ...)
|
|
{
|
|
mode_t mode = 0;
|
|
if (__OPEN_NEEDS_MODE (oflag))
|
|
{
|
|
va_list arg;
|
|
va_start (arg, oflag);
|
|
mode = va_arg (arg, mode_t);
|
|
va_end (arg);
|
|
}
|
|
|
|
return SYSCALL_CANCEL (openat, fd, file, oflag | O_LARGEFILE, mode);
|
|
}
|
|
|
|
strong_alias (__libc_openat64, __openat64)
|
|
libc_hidden_weak (__openat64)
|
|
weak_alias (__libc_openat64, openat64)
|
|
|
|
#ifdef __OFF_T_MATCHES_OFF64_T
|
|
strong_alias (__libc_openat64, __openat)
|
|
libc_hidden_weak (__openat)
|
|
weak_alias (__libc_openat64, openat)
|
|
#endif
|