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Diffstat (limited to 'stat.h')
-rw-r--r-- | stat.h | 94 |
1 files changed, 94 insertions, 0 deletions
@@ -0,0 +1,94 @@ +/**************************************************************************** + * bfs * + * Copyright (C) 2018 Tavian Barnes <tavianator@tavianator.com> * + * * + * Permission to use, copy, modify, and/or distribute this software for any * + * purpose with or without fee is hereby granted. * + * * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * + ****************************************************************************/ + +#ifndef BFS_STAT_H +#define BFS_STAT_H + +#include <sys/types.h> +#include <time.h> + +/** + * bfs_stat field bitmask. + */ +enum bfs_stat_field { + BFS_STAT_DEV = 1 << 0, + BFS_STAT_INO = 1 << 1, + BFS_STAT_TYPE = 1 << 2, + BFS_STAT_MODE = 1 << 3, + BFS_STAT_NLINK = 1 << 4, + BFS_STAT_GID = 1 << 5, + BFS_STAT_UID = 1 << 6, + BFS_STAT_SIZE = 1 << 7, + BFS_STAT_BLOCKS = 1 << 8, + BFS_STAT_ATIME = 1 << 9, + BFS_STAT_BTIME = 1 << 10, + BFS_STAT_CTIME = 1 << 11, + BFS_STAT_MTIME = 1 << 12, +}; + +/** + * bfs_stat() flags. + */ +enum bfs_stat_flag { + /** Fall back to the link itself on broken symlinks. */ + BFS_STAT_BROKEN_OK = 1 << 0, +}; + +/** + * Facade over struct stat. + */ +struct bfs_stat { + /** Bitmask indicating filled fields. */ + enum bfs_stat_field mask; + + /** Device ID containing the file. */ + dev_t dev; + /** Inode number. */ + ino_t ino; + /** File type and access mode. */ + mode_t mode; + /** Number of hard links. */ + nlink_t nlink; + /** Owner group ID. */ + gid_t gid; + /** Owner user ID. */ + uid_t uid; + /** File size in bytes. */ + off_t size; + /** Number of 512B blocks allocated. */ + blkcnt_t blocks; + + /** Access time. */ + struct timespec atime; + /** Birth/creation time. */ + struct timespec btime; + /** Status change time. */ + struct timespec ctime; + /** Modification time. */ + struct timespec mtime; +}; + +/** + * Facade over fstatat(). + */ +int bfs_stat(int at_fd, const char *at_path, int at_flags, enum bfs_stat_flag flags, struct bfs_stat *buf); + +/** + * Facade over fstat(). + */ +int bfs_fstat(int fd, struct bfs_stat *buf); + +#endif // BFS_STAT_H |