src/libmysql_std/include/my_dir.h

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/* 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; 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., 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