| 1 | /* Linux open syscall implementation, LFS. |
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| 2 | Copyright (C) 1991-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <sys/types.h> |
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| 20 | #include <sys/stat.h> |
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| 21 | #include <fcntl.h> |
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| 22 | #include <stdarg.h> |
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| 23 | #include <sysdep-cancel.h> |
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| 24 | #include <shlib-compat.h> |
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| 25 | |
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| 26 | /* Open FILE with access OFLAG. If O_CREAT or O_TMPFILE is in OFLAG, |
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| 27 | a third argument is the file protection. */ |
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| 28 | int |
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| 29 | __libc_open64 (const char *file, int oflag, ...) |
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| 30 | { |
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| 31 | int mode = 0; |
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| 32 | |
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| 33 | if (__OPEN_NEEDS_MODE (oflag)) |
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| 34 | { |
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| 35 | va_list arg; |
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| 36 | va_start (arg, oflag); |
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| 37 | mode = va_arg (arg, int); |
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| 38 | va_end (arg); |
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| 39 | } |
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| 40 | |
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| 41 | return SYSCALL_CANCEL (openat, AT_FDCWD, file, oflag | O_LARGEFILE, |
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| 42 | mode); |
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| 43 | } |
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| 44 | |
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| 45 | strong_alias (__libc_open64, __open64) |
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| 46 | libc_hidden_weak (__open64) |
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| 47 | weak_alias (__libc_open64, open64) |
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| 48 | |
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| 49 | #ifdef __OFF_T_MATCHES_OFF64_T |
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| 50 | strong_alias (__libc_open64, __libc_open) |
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| 51 | strong_alias (__libc_open64, __open) |
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| 52 | libc_hidden_weak (__open) |
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| 53 | weak_alias (__libc_open64, open) |
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| 54 | #endif |
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| 55 | |
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| 56 | #if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1, GLIBC_2_2) |
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| 57 | compat_symbol (libc, __libc_open64, open64, GLIBC_2_2); |
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| 58 | #endif |
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| 59 | |
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