my_dir.h
上传用户:romrleung
上传日期:2022-05-23
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文件大小:3k
- /* Copyright (C) 2000 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #ifndef _my_dir_h
- #define _my_dir_h
- #ifdef __cplusplus
- extern "C" {
- #endif
- #ifndef MY_DIR_H
- #define MY_DIR_H
- #include <sys/stat.h>
- /* Defines for my_dir and my_stat */
- #define MY_S_IFMT S_IFMT /* type of file */
- #define MY_S_IFDIR S_IFDIR /* directory */
- #define MY_S_IFCHR S_IFCHR /* character special */
- #define MY_S_IFBLK S_IFBLK /* block special */
- #define MY_S_IFREG S_IFREG /* regular */
- #define MY_S_IFIFO S_IFIFO /* fifo */
- #define MY_S_ISUID S_ISUID /* set user id on execution */
- #define MY_S_ISGID S_ISGID /* set group id on execution */
- #define MY_S_ISVTX S_ISVTX /* save swapped text even after use */
- #define MY_S_IREAD S_IREAD /* read permission, owner */
- #define MY_S_IWRITE S_IWRITE /* write permission, owner */
- #define MY_S_IEXEC S_IEXEC /* execute/search permission, owner */
- #define MY_S_ISDIR(m) (((m) & MY_S_IFMT) == MY_S_IFDIR)
- #define MY_S_ISCHR(m) (((m) & MY_S_IFMT) == MY_S_IFCHR)
- #define MY_S_ISBLK(m) (((m) & MY_S_IFMT) == MY_S_IFBLK)
- #define MY_S_ISREG(m) (((m) & MY_S_IFMT) == MY_S_IFREG)
- #define MY_S_ISFIFO(m) (((m) & MY_S_IFMT) == MY_S_IFIFO)
- #define MY_DONT_SORT 512 /* my_lib; Don't sort files */
- #define MY_WANT_STAT 1024 /* my_lib; stat files */
- /* typedefs for my_dir & my_stat */
- #ifdef USE_MY_STAT_STRUCT
- typedef struct my_stat
- {
- dev_t st_dev; /* major & minor device numbers */
- ino_t st_ino; /* inode number */
- ushort st_mode; /* file permissons (& suid sgid .. bits) */
- short st_nlink; /* number of links to file */
- ushort st_uid; /* user id */
- ushort st_gid; /* group id */
- dev_t st_rdev; /* more major & minor device numbers (???) */
- off_t st_size; /* size of file */
- time_t st_atime; /* time for last read */
- time_t st_mtime; /* time for last contens modify */
- time_t st_ctime; /* time for last inode or contents modify */
- } MY_STAT;
- #else
- #define MY_STAT struct stat /* Orginal struct have what we need */
- #endif /* USE_MY_STAT_STRUCT */
- /* Struct describing one file returned from my_dir */
- typedef struct fileinfo
- {
- char *name;
- MY_STAT *mystat;
- } FILEINFO;
- typedef struct st_my_dir /* Struct returned from my_dir */
- {
- /*
- These members are just copies of parts of DYNAMIC_ARRAY structure,
- which is allocated right after the end of MY_DIR structure (MEM_ROOT
- for storing names is also resides there). We've left them here because
- we don't want to change code that uses my_dir.
- */
- struct fileinfo *dir_entry;
- uint number_off_files;
- } MY_DIR;
- extern MY_DIR *my_dir(const char *path,myf MyFlags);
- extern void my_dirend(MY_DIR *buffer);
- extern MY_STAT *my_stat(const char *path, MY_STAT *stat_area, myf my_flags);
- extern int my_fstat(int filenr, MY_STAT *stat_area, myf MyFlags);
- #endif /* MY_DIR_H */
- #ifdef __cplusplus
- }
- #endif
- #endif