| /* Copyright (C) 2007-2018 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <fcntl.h> |
| #include <stdarg.h> |
| |
| #include <sysdep-cancel.h> |
| #include <not-cancel.h> |
| |
| #ifdef __OFF_T_MATCHES_OFF64_T |
| # define EXTRA_OPEN_FLAGS 0 |
| #else |
| # define EXTRA_OPEN_FLAGS O_LARGEFILE |
| #endif |
| |
| /* 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 | EXTRA_OPEN_FLAGS, mode); |
| } |
| |
| strong_alias (__libc_openat64, __openat64) |
| libc_hidden_weak (__openat64) |
| weak_alias (__libc_openat64, openat64) |
| |
| #if !IS_IN (rtld) |
| int |
| __openat64_nocancel (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 INLINE_SYSCALL_CALL (openat, fd, file, oflag | EXTRA_OPEN_FLAGS, |
| mode); |
| } |
| #else |
| strong_alias (__libc_openat64, __openat64_nocancel) |
| #endif |
| libc_hidden_def (__openat64_nocancel) |
| |
| #ifdef __OFF_T_MATCHES_OFF64_T |
| strong_alias (__libc_openat64, __openat) |
| libc_hidden_weak (__openat) |
| weak_alias (__libc_openat64, openat) |
| |
| strong_alias (__openat64_nocancel, __openat_nocancel) |
| #endif |