1 /* SPDX-License-Identifier: LGPL-2.1 OR MIT */ 2 /* 3 * stat definition for NOLIBC 4 * Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu> 5 */ 6 7 /* make sure to include all global symbols */ 8 #include "../nolibc.h" 9 10 #ifndef _NOLIBC_SYS_STAT_H 11 #define _NOLIBC_SYS_STAT_H 12 13 #include "../arch.h" 14 #include "../types.h" 15 #include "../sys.h" 16 #include "../sys/sysmacros.h" 17 18 /* 19 * int statx(int fd, const char *path, int flags, unsigned int mask, struct statx *buf); 20 * int stat(const char *path, struct stat *buf); 21 * int fstatat(int fd, const char *path, struct stat *buf, int flag); 22 * int fstat(int fildes, struct stat *buf); 23 * int lstat(const char *path, struct stat *buf); 24 */ 25 26 static __attribute__((unused)) 27 int _sys_statx(int fd, const char *path, int flags, unsigned int mask, struct statx *buf) 28 { 29 #ifdef __NR_statx 30 return __nolibc_syscall5(__NR_statx, fd, path, flags, mask, buf); 31 #else 32 return __nolibc_enosys(__func__, fd, path, flags, mask, buf); 33 #endif 34 } 35 36 static __attribute__((unused)) 37 int statx(int fd, const char *path, int flags, unsigned int mask, struct statx *buf) 38 { 39 return __sysret(_sys_statx(fd, path, flags, mask, buf)); 40 } 41 42 43 static __attribute__((unused)) 44 int fstatat(int fd, const char *path, struct stat *buf, int flag) 45 { 46 struct statx statx; 47 long ret; 48 49 ret = __sysret(_sys_statx(fd, path, flag | AT_NO_AUTOMOUNT, STATX_BASIC_STATS, &statx)); 50 if (ret == -1) 51 return ret; 52 53 buf->st_dev = makedev(statx.stx_dev_major, statx.stx_dev_minor); 54 buf->st_ino = statx.stx_ino; 55 buf->st_mode = statx.stx_mode; 56 buf->st_nlink = statx.stx_nlink; 57 buf->st_uid = statx.stx_uid; 58 buf->st_gid = statx.stx_gid; 59 buf->st_rdev = makedev(statx.stx_rdev_major, statx.stx_rdev_minor); 60 buf->st_size = statx.stx_size; 61 buf->st_blksize = statx.stx_blksize; 62 buf->st_blocks = statx.stx_blocks; 63 buf->st_atim.tv_sec = statx.stx_atime.tv_sec; 64 buf->st_atim.tv_nsec = statx.stx_atime.tv_nsec; 65 buf->st_mtim.tv_sec = statx.stx_mtime.tv_sec; 66 buf->st_mtim.tv_nsec = statx.stx_mtime.tv_nsec; 67 buf->st_ctim.tv_sec = statx.stx_ctime.tv_sec; 68 buf->st_ctim.tv_nsec = statx.stx_ctime.tv_nsec; 69 70 return 0; 71 } 72 73 static __attribute__((unused)) 74 int stat(const char *path, struct stat *buf) 75 { 76 return fstatat(AT_FDCWD, path, buf, 0); 77 } 78 79 static __attribute__((unused)) 80 int fstat(int fildes, struct stat *buf) 81 { 82 return fstatat(fildes, "", buf, AT_EMPTY_PATH); 83 } 84 85 static __attribute__((unused)) 86 int lstat(const char *path, struct stat *buf) 87 { 88 return fstatat(AT_FDCWD, path, buf, AT_SYMLINK_NOFOLLOW); 89 } 90 91 #endif /* _NOLIBC_SYS_STAT_H */ 92