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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2010 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* readdir
*
* read from directory stream
*
* NOTE: directory entries must fit within DIRBLKSIZ boundaries
*/
#include "dirlib.h"
#if _dir_ok
NoN(readdir)
#else
struct dirent*
readdir(register DIR* dirp)
{
register struct dirent* dp;
for (;;)
{
if (dirp->dd_loc >= dirp->dd_size)
{
if (dirp->dd_size < 0) return(0);
dirp->dd_loc = 0;
if ((dirp->dd_size = getdents(dirp->dd_fd, dirp->dd_buf, DIRBLKSIZ)) <= 0)
return(0);
}
dp = (struct dirent*)((char*)dirp->dd_buf + dirp->dd_loc);
if (dp->d_reclen <= 0) return(0);
dirp->dd_loc += dp->d_reclen;
if (dp->d_fileno) return(dp);
}
/*NOTREACHED*/
}
#endif
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