projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 5f85cc2f | 1 | /* fxstatat64 used on fstatat64, Linux implementation. |
| 2b778ceb | 2 | Copyright (C) 2005-2021 Free Software Foundation, Inc. |
| 26cec518 UD |
3 | This file is part of the GNU C Library. |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 6 | modify it under the terms of the GNU Lesser General Public | |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 9 | ||
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | Lesser General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Lesser General Public | |
| 59ba27a6 | 16 | License along with the GNU C Library; if not, see |
| 5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
| 26cec518 | 18 | |
| 5f85cc2f | 19 | #define __fxstatat __redirect___fxstatat |
| 26cec518 | 20 | #include <sys/stat.h> |
| 5f85cc2f AZ |
21 | #undef __fxstatat |
| 22 | #include <fcntl.h> | |
| 26cec518 | 23 | #include <kernel_stat.h> |
| 26cec518 | 24 | #include <sysdep.h> |
| 5f85cc2f | 25 | #include <xstatconv.h> |
| 6bbfc5c0 | 26 | #include <statx_cp.h> |
| 20b39d59 AZ |
27 | #include <shlib-compat.h> |
| 28 | ||
| 29 | #if SHLIB_COMPAT(libc, GLIBC_2_4, GLIBC_2_33) | |
| 6bbfc5c0 | 30 | |
| 5f85cc2f | 31 | /* Get information about the file FD in BUF. */ |
| 26cec518 UD |
32 | |
| 33 | int | |
| 34 | __fxstatat64 (int vers, int fd, const char *file, struct stat64 *st, int flag) | |
| 35 | { | |
| 5f85cc2f AZ |
36 | #if XSTAT_IS_XSTAT64 |
| 37 | # ifdef __NR_newfstatat | |
| 38 | /* 64-bit kABI, e.g. aarch64, ia64, powerpc64*, s390x, riscv64, and | |
| 39 | x86_64. */ | |
| 40 | if (vers == _STAT_VER_KERNEL || vers == _STAT_VER_LINUX) | |
| 41 | return INLINE_SYSCALL_CALL (newfstatat, fd, file, st, flag); | |
| 42 | # elif defined __NR_fstatat64 | |
| 43 | /* 64-bit kABI outlier, e.g. sparc64. */ | |
| 44 | struct stat64 st64; | |
| 45 | int r = INLINE_SYSCALL_CALL (fstatat64, fd, file, &st64, flag); | |
| 46 | return r ?: __xstat32_conv (vers, &st64, (struct stat *) st); | |
| 47 | # else | |
| 48 | /* New 32-bit kABIs with only 64-bit time_t support, e.g. arc, riscv32. */ | |
| 49 | if (vers == _STAT_VER_KERNEL) | |
| 50 | { | |
| 51 | struct statx tmp; | |
| 52 | int r = INLINE_SYSCALL_CALL (statx, fd, file, AT_NO_AUTOMOUNT | flag, | |
| 53 | STATX_BASIC_STATS, &tmp); | |
| 54 | if (r == 0) | |
| 55 | __cp_stat64_statx (st, &tmp); | |
| 56 | return r; | |
| 57 | } | |
| 58 | # endif | |
| 6bbfc5c0 | 59 | #else |
| 5f85cc2f AZ |
60 | /* All kABIs with non-LFS support, e.g. arm, csky, i386, hppa, m68k, |
| 61 | microblaze, mips32, nios2, sh, powerpc32, and sparc32. */ | |
| 62 | if (vers == _STAT_VER_LINUX) | |
| 63 | return INLINE_SYSCALL_CALL (fstatat64, fd, file, st, flag); | |
| 6bbfc5c0 | 64 | #endif |
| 5f85cc2f | 65 | return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); |
| 26cec518 | 66 | } |
| 20b39d59 | 67 | |
| 6073bae6 | 68 | #if XSTAT_IS_XSTAT64 |
| 22edf4d4 | 69 | strong_alias (__fxstatat64, __fxstatat) |
| 5f85cc2f | 70 | #endif |
| 20b39d59 AZ |
71 | |
| 72 | #endif /* SHLIB_COMPAT(libc, GLIBC_2_4, GLIBC_2_33) */ |