/* Linux open syscall implementation, LFS. Copyright (C) 1991-2020 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 <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <stdarg.h> #include <sysdep-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. If O_CREAT or O_TMPFILE is in OFLAG, a third argument is the file protection. */ int __libc_open64 (const char *file, int oflag, ...) { int mode = 0; if (__OPEN_NEEDS_MODE (oflag)) { va_list arg; va_start (arg, oflag); mode = va_arg (arg, int); va_end (arg); } return SYSCALL_CANCEL (openat, AT_FDCWD, file, oflag | EXTRA_OPEN_FLAGS, mode); } strong_alias (__libc_open64, __open64) libc_hidden_weak (__open64) weak_alias (__libc_open64, open64) #ifdef __OFF_T_MATCHES_OFF64_T strong_alias (__libc_open64, __libc_open) strong_alias (__libc_open64, __open) libc_hidden_weak (__open) weak_alias (__libc_open64, open) #endif