43 lines
851 B
C
43 lines
851 B
C
/* readdir() Author: Kees J. Bot
|
|
* 24 Apr 1989
|
|
*/
|
|
#define nil 0
|
|
#define readdir _readdir
|
|
#define getdents _getdents
|
|
#include <sys/types.h>
|
|
#include <dirent.h>
|
|
#include <unistd.h>
|
|
#include <stddef.h>
|
|
#include <stdlib.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
|
|
struct dirent *readdir(DIR *dp)
|
|
/* Return the next entry in a directory. */
|
|
{
|
|
struct dirent *entp;
|
|
int count, pos, reclen;
|
|
|
|
if (dp == nil) { errno= EBADF; return nil; }
|
|
|
|
count= dp->_count;
|
|
pos= dp->_pos;
|
|
if (count == 0 || pos >= count)
|
|
{
|
|
count= getdents(dp->_fd, (struct dirent *)dp->_buf,
|
|
sizeof(dp->_buf));
|
|
if (count <= 0) return nil;
|
|
dp->_count= count;
|
|
dp->_pos= pos= 0;
|
|
}
|
|
entp= (struct dirent *)&((char *)dp->_buf)[pos];
|
|
reclen= entp->d_reclen;
|
|
dp->_pos= pos+reclen;
|
|
|
|
return entp;
|
|
}
|
|
|
|
/*
|
|
* $PchId: _readdir.c,v 1.6 2005/01/27 21:46:42 philip Exp $
|
|
*/
|