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/* $Id: ndir.h,v 3.0 1991/09/09 20:23:31 davison Trn $
*/
/* This software is Copyright 1991 by Stan Barber.
*
* Permission is hereby granted to copy, reproduce, redistribute or otherwise
* use this software as long as: there is no monetary profit gained
* specifically from the use or reproduction of this software, it is not
* sold, rented, traded or otherwise marketed, and this copyright notice is
* included prominently in any copy made.
*
* The authors make no claims as to the fitness or correctness of this software
* for any use whatsoever, and it is provided as is. Any use of this software
* is at the user's own risk.
*/
#ifdef I_NDIR
#include <ndir.h>
#else
#ifdef I_DIRENT
#include <dirent.h>
#else
#ifdef I_SYS_NDIR
#include <sys/ndir.h>
#else
#ifdef I_SYS_DIR
#include <sys/dir.h>
#else
#ifndef DEV_BSIZE
#define DEV_BSIZE 512
#endif
#define DIRBLKSIZ DEV_BSIZE
#define MAXNAMLEN 255
Direntry_t {
long d_ino; /* inode number of entry */
short d_reclen; /* length of this record */
short d_namlen; /* length of string in d_name */
char d_name[MAXNAMLEN + 1]; /* name must be no longer than this */
};
/*
* The DIRSIZ macro gives the minimum record length which will hold
* the directory entry. This requires the amount of space in Direntry_t
* without the d_name field, plus enough space for the name with a terminating
* null byte (dp->d_namlen+1), rounded up to a 4 byte boundary.
*/
#undef DIRSIZ
#define DIRSIZ(dp) ((sizeof(Direntry_t)-(MAXNAMLEN+1))+(((dp)->d_namlen+1+3)&~3))
/*
* Definitions for library routines operating on directories.
*/
typedef struct _dirdesc {
int dd_fd;
long dd_loc;
long dd_size;
char dd_buf[DIRBLKSIZ];
} DIR;
#ifndef NULL
#define NULL 0
#endif
extern DIR *opendir _((char*));
extern Direntry_t *readdir _((DIR*));
extern long telldir _((DIR*));
extern void seekdir _((DIR*));
#define rewinddir(dirp) seekdir((dirp), (long)0)
extern void closedir _((DIR*));
#endif
#endif
#endif
#endif
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