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 17 /* 18 * int statx(int fd, const char *path, int flags, unsigned int mask, struct statx *buf); 19 * int stat(const char *path, struct stat *buf); 20 */ 21 22 static __attribute__((unused)) 23 int sys_statx(int fd, const char *path, int flags, unsigned int mask, struct statx *buf) 24 { 25 #ifdef __NR_statx 26 return my_syscall5(__NR_statx, fd, path, flags, mask, buf); 27 #else 28 return __nolibc_enosys(__func__, fd, path, flags, mask, buf); 29 #endif 30 } 31 32 static __attribute__((unused)) 33 int statx(int fd, const char *path, int flags, unsigned int mask, struct statx *buf) 34 { 35 return __sysret(sys_statx(fd, path, flags, mask, buf)); 36 } 37 38 39 static __attribute__((unused)) 40 int stat(const char *path, struct stat *buf) 41 { 42 struct statx statx; 43 long ret; 44 45 ret = __sysret(sys_statx(AT_FDCWD, path, AT_NO_AUTOMOUNT, STATX_BASIC_STATS, &statx)); 46 if (ret == -1) 47 return ret; 48 49 buf->st_dev = ((statx.stx_dev_minor & 0xff) 50 | (statx.stx_dev_major << 8) 51 | ((statx.stx_dev_minor & ~0xff) << 12)); 52 buf->st_ino = statx.stx_ino; 53 buf->st_mode = statx.stx_mode; 54 buf->st_nlink = statx.stx_nlink; 55 buf->st_uid = statx.stx_uid; 56 buf->st_gid = statx.stx_gid; 57 buf->st_rdev = ((statx.stx_rdev_minor & 0xff) 58 | (statx.stx_rdev_major << 8) 59 | ((statx.stx_rdev_minor & ~0xff) << 12)); 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 #endif /* _NOLIBC_SYS_STAT_H */ 74