#ifndef libpq_fs_H
#define libpq_fs_H

#include "tmp/simplelists.h"
#include <sys/file.h>

/* UNIX compatibility junk.  This should be in all system''s include files,
   but this is not always the case. */

#define MAXNAMLEN 255
struct pgdirent {
	unsigned long d_ino;
	unsigned short d_namlen;
	char d_name[MAXNAMLEN+1];
};

/* for lseek(2) */
#ifndef SEEK_SET
#define SEEK_SET 0
#endif

/* for stat(2) */
#ifndef S_IRUSR /* this not defined means rest are probably not defined */
/* file modes */
#define S_IRWXU 00700           /* read, write, execute: owner */
#define S_IRUSR 00400           /*  read permission: owner */
#define S_IWUSR 00200           /*  write permission: owner */
#define S_IXUSR 00100           /*  execute permission: owner */

#define S_IRWXG 00070           /* read, write, execute: group */
#define S_IRGRP 00040           /*  read permission: group */
#define S_IWGRP 00020           /*  write permission: group */
#define S_IXGRP 00010           /*  execute permission: group */

#define S_IRWXO 00007           /* read, write, execute: other */
#define S_IROTH 00004           /*  read permission: other */
#define S_IWOTH 00002           /*  write permission: other */
#define S_IXOTH 00001           /*  execute permission: other */
#endif

/* Temp workaround until we make unix stuff compile under all oses */
struct pgstat {
	int st_mode;
	int b;
	int c;
	int d;
	int e;
};

typedef struct Direntry_ {
    struct pgdirent d;
    SLNode Node;
} Direntry;

typedef struct PDIR_ {
    SLList dirlist;
    Direntry *current_entry;
} PDIR;

int p_open ARGS((char *fname , int mode ));
int p_close ARGS((int fd ));
int p_read ARGS((int fd , char *buf , int len ));
int p_write ARGS((int fd , char *buf , int len ));
int p_lseek ARGS((int fd , int offset , int whence ));
int p_creat ARGS((char *path , int mode ));
int p_tell ARGS((int fd ));
int p_mkdir ARGS((char *path , int mode ));
int p_unlink ARGS((char *path ));
int p_rmdir ARGS((char *path ));
int p_ferror ARGS((int fd ));
int p_rename ARGS((char *path , char *pathnew ));
int p_stat ARGS((char *path , struct pgstat *statbuf ));
PDIR *p_opendir ARGS((char *path ));
struct pgdirent *p_readdir ARGS((PDIR *dirp ));
void p_rewinddir ARGS((PDIR *dirp ));
int p_closedir ARGS((PDIR *dirp ));
int p_chdir ARGS((char *path ));
char *p_getwd ARGS((char *path ));

#endif