| 1 | /* Copyright (C) 2005-2018 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include <fcntl.h> |
| 19 | #include <stdarg.h> |
| 20 | |
| 21 | #include <sysdep-cancel.h> |
| 22 | #include <not-cancel.h> |
| 23 | |
| 24 | #ifndef __OFF_T_MATCHES_OFF64_T |
| 25 | |
| 26 | /* Open FILE with access OFLAG. Interpret relative paths relative to |
| 27 | the directory associated with FD. If OFLAG includes O_CREAT or |
| 28 | O_TMPFILE, a fourth argument is the file protection. */ |
| 29 | int |
| 30 | __libc_openat (int fd, const char *file, int oflag, ...) |
| 31 | { |
| 32 | mode_t mode = 0; |
| 33 | if (__OPEN_NEEDS_MODE (oflag)) |
| 34 | { |
| 35 | va_list arg; |
| 36 | va_start (arg, oflag); |
| 37 | mode = va_arg (arg, mode_t); |
| 38 | va_end (arg); |
| 39 | } |
| 40 | |
| 41 | return SYSCALL_CANCEL (openat, fd, file, oflag, mode); |
| 42 | } |
| 43 | weak_alias (__libc_openat, __openat) |
| 44 | libc_hidden_weak (__openat) |
| 45 | weak_alias (__libc_openat, openat) |
| 46 | |
| 47 | # if !IS_IN (rtld) |
| 48 | int |
| 49 | __openat_nocancel (int fd, const char *file, int oflag, ...) |
| 50 | { |
| 51 | mode_t mode = 0; |
| 52 | if (__OPEN_NEEDS_MODE (oflag)) |
| 53 | { |
| 54 | va_list arg; |
| 55 | va_start (arg, oflag); |
| 56 | mode = va_arg (arg, mode_t); |
| 57 | va_end (arg); |
| 58 | } |
| 59 | |
| 60 | return INLINE_SYSCALL_CALL (openat, fd, file, oflag, mode); |
| 61 | } |
| 62 | # else |
| 63 | strong_alias (__libc_openat, __openat_nocancel) |
| 64 | # endif |
| 65 | libc_hidden_weak (__openat_nocancel) |
| 66 | #endif |
| 67 | |