| 1 |
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| 2 | |
| 3 | * stat definition for NOLIBC
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| 4 | * Copyright (C) 2017-2021 Willy Tarreau <[email protected]>
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| 5 |
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| 6 |
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| 7 |
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| 8 | #include "../nolibc.h"
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| 9 |
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| 10 | #ifndef _NOLIBC_SYS_STAT_H
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| 11 | #define _NOLIBC_SYS_STAT_H
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| 12 |
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| 13 | #include "../arch.h"
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| 14 | #include "../types.h"
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| 15 | #include "../sys.h"
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| 16 | #include "../sys/sysmacros.h"
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| 17 |
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| 18 | |
| 19 | * int statx(int fd, const char *path, int flags, unsigned int mask, struct statx *buf);
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| 20 | * int stat(const char *path, struct stat *buf);
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| 21 | * int fstatat(int fd, const char *path, struct stat *buf, int flag);
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| 22 | * int fstat(int fildes, struct stat *buf);
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| 23 | * int lstat(const char *path, struct stat *buf);
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| 24 |
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| 25 |
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| 26 | static __attribute__((unused))
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| 27 | int _sys_statx(int fd, const char *path, int flags, unsigned int mask, struct statx *buf)
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| 28 | {
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| 29 | #ifdef __NR_statx
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| 30 | return __nolibc_syscall5(__NR_statx, fd, path, flags, mask, buf);
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| 31 | #else
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| 32 | return __nolibc_enosys(__func__, fd, path, flags, mask, buf);
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| 33 | #endif
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| 34 | }
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| 35 |
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| 36 | static __attribute__((unused))
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| 37 | int statx(int fd, const char *path, int flags, unsigned int mask, struct statx *buf)
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| 38 | {
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| 39 | return __sysret(_sys_statx(fd, path, flags, mask, buf));
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| 40 | }
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| 41 |
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| 42 |
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| 43 | static __attribute__((unused))
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| 44 | int fstatat(int fd, const char *path, struct stat *buf, int flag)
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| 45 | {
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| 46 | struct statx statx;
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| 47 | long ret;
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| 48 |
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| 49 | ret = __sysret(_sys_statx(fd, path, flag | AT_NO_AUTOMOUNT, STATX_BASIC_STATS, &statx));
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| 50 | if (ret == -1)
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| 51 | return ret;
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| 52 |
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| 53 | buf->st_dev = makedev(statx.stx_dev_major, statx.stx_dev_minor);
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| 54 | buf->st_ino = statx.stx_ino;
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| 55 | buf->st_mode = statx.stx_mode;
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| 56 | buf->st_nlink = statx.stx_nlink;
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| 57 | buf->st_uid = statx.stx_uid;
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| 58 | buf->st_gid = statx.stx_gid;
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| 59 | buf->st_rdev = makedev(statx.stx_rdev_major, statx.stx_rdev_minor);
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| 60 | buf->st_size = statx.stx_size;
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| 61 | buf->st_blksize = statx.stx_blksize;
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| 62 | buf->st_blocks = statx.stx_blocks;
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| 63 | buf->st_atim.tv_sec = statx.stx_atime.tv_sec;
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| 64 | buf->st_atim.tv_nsec = statx.stx_atime.tv_nsec;
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| 65 | buf->st_mtim.tv_sec = statx.stx_mtime.tv_sec;
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| 66 | buf->st_mtim.tv_nsec = statx.stx_mtime.tv_nsec;
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| 67 | buf->st_ctim.tv_sec = statx.stx_ctime.tv_sec;
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| 68 | buf->st_ctim.tv_nsec = statx.stx_ctime.tv_nsec;
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| 69 |
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| 70 | return 0;
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| 71 | }
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| 72 |
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| 73 | static __attribute__((unused))
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| 74 | int stat(const char *path, struct stat *buf)
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| 75 | {
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| 76 | return fstatat(AT_FDCWD, path, buf, 0);
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| 77 | }
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| 78 |
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| 79 | static __attribute__((unused))
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| 80 | int fstat(int fildes, struct stat *buf)
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| 81 | {
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| 82 | return fstatat(fildes, "", buf, AT_EMPTY_PATH);
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| 83 | }
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| 84 |
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| 85 | static __attribute__((unused))
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| 86 | int lstat(const char *path, struct stat *buf)
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| 87 | {
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| 88 | return fstatat(AT_FDCWD, path, buf, AT_SYMLINK_NOFOLLOW);
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| 89 | }
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| 90 |
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| 91 | #endif
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