14887Schin /*********************************************************************** 24887Schin * * 34887Schin * This software is part of the ast package * 4*12068SRoger.Faulkner@Oracle.COM * Copyright (c) 1985-2010 AT&T Intellectual Property * 54887Schin * and is licensed under the * 64887Schin * Common Public License, Version 1.0 * 78462SApril.Chin@Sun.COM * by AT&T Intellectual Property * 84887Schin * * 94887Schin * A copy of the License is available at * 104887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 114887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 124887Schin * * 134887Schin * Information and Software Systems Research * 144887Schin * AT&T Research * 154887Schin * Florham Park NJ * 164887Schin * * 174887Schin * Glenn Fowler <gsf@research.att.com> * 184887Schin * David Korn <dgk@research.att.com> * 194887Schin * Phong Vo <kpv@research.att.com> * 204887Schin * * 214887Schin ***********************************************************************/ 224887Schin #pragma prototyped 234887Schin /* 244887Schin * readdir 254887Schin * 264887Schin * read from directory stream 274887Schin * 284887Schin * NOTE: directory entries must fit within DIRBLKSIZ boundaries 294887Schin */ 304887Schin 314887Schin #include "dirlib.h" 324887Schin 334887Schin #if _dir_ok 344887Schin 354887Schin NoN(readdir) 364887Schin 374887Schin #else 384887Schin 394887Schin struct dirent* 404887Schin readdir(register DIR* dirp) 414887Schin { 424887Schin register struct dirent* dp; 434887Schin 444887Schin for (;;) 454887Schin { 464887Schin if (dirp->dd_loc >= dirp->dd_size) 474887Schin { 484887Schin if (dirp->dd_size < 0) return(0); 494887Schin dirp->dd_loc = 0; 504887Schin if ((dirp->dd_size = getdents(dirp->dd_fd, dirp->dd_buf, DIRBLKSIZ)) <= 0) 514887Schin return(0); 524887Schin } 534887Schin dp = (struct dirent*)((char*)dirp->dd_buf + dirp->dd_loc); 544887Schin if (dp->d_reclen <= 0) return(0); 554887Schin dirp->dd_loc += dp->d_reclen; 564887Schin if (dp->d_fileno) return(dp); 574887Schin } 584887Schin /*NOTREACHED*/ 594887Schin } 604887Schin 614887Schin #endif 62