Current File : //usr/include/mysql/server/my_dir.h
/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
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; version 2 of the License.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef MY_DIR_H
#define MY_DIR_H
#include <sys/stat.h>
#ifdef __cplusplus
extern "C" {
#endif
/* 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 */
#ifndef S_IREAD
#define MY_S_IREAD S_IRUSR /* read permission, owner */
#define MY_S_IWRITE S_IWUSR /* write permission, owner */
#define MY_S_IEXEC S_IXUSR /* execute/search permission, owner */
#else
#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 */
#endif
#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)
/* Ensure these doesn't clash with anything in my_sys.h */
#define MY_WANT_SORT 8192 /* my_lib; sort files */
#define MY_WANT_STAT 16384 /* my_lib; stat files */
#define MY_DONT_SORT 0
/* 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 permissions (& 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 contents modify */
time_t st_ctime; /* time for last inode or contents modify */
} MY_STAT;
#else
#if defined(_MSC_VER)
#define MY_STAT struct _stati64 /* 64 bit file size */
#else
#define MY_STAT struct stat /* Original struct has what we need */
#endif
#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_of_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);
#ifdef __cplusplus
}
#endif
#endif /* MY_DIR_H */
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