1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 1987 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <sys/param.h> 30*0Sstevel@tonic-gate #include <dirent.h> 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate /* 33*0Sstevel@tonic-gate * get next entry in a directory. 34*0Sstevel@tonic-gate */ 35*0Sstevel@tonic-gate struct dirent * readdir(dirp)36*0Sstevel@tonic-gatereaddir(dirp) 37*0Sstevel@tonic-gate register DIR *dirp; 38*0Sstevel@tonic-gate { 39*0Sstevel@tonic-gate register struct dirent *dp; 40*0Sstevel@tonic-gate int saveloc = 0; 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate next: 43*0Sstevel@tonic-gate if (dirp->dd_size != 0) { 44*0Sstevel@tonic-gate dp = (struct dirent *)&dirp->dd_buf[dirp->dd_loc]; 45*0Sstevel@tonic-gate saveloc = dirp->dd_loc; /* save for possible EOF */ 46*0Sstevel@tonic-gate dirp->dd_loc += dp->d_reclen; 47*0Sstevel@tonic-gate } 48*0Sstevel@tonic-gate if (dirp->dd_loc >= dirp->dd_size) 49*0Sstevel@tonic-gate dirp->dd_loc = dirp->dd_size = 0; 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate if (dirp->dd_size == 0 /* refill buffer */ 52*0Sstevel@tonic-gate && (dirp->dd_size = getdents(dirp->dd_fd, dirp->dd_buf, dirp->dd_bsize) 53*0Sstevel@tonic-gate ) <= 0 54*0Sstevel@tonic-gate ) { 55*0Sstevel@tonic-gate if (dirp->dd_size == 0) /* This means EOF */ 56*0Sstevel@tonic-gate dirp->dd_loc = saveloc; /* EOF so save for telldir */ 57*0Sstevel@tonic-gate return (NULL); /* error or EOF */ 58*0Sstevel@tonic-gate } 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate dp = (struct dirent *)&dirp->dd_buf[dirp->dd_loc]; 61*0Sstevel@tonic-gate if (dp->d_reclen <= 0) 62*0Sstevel@tonic-gate return (NULL); 63*0Sstevel@tonic-gate if (dp->d_fileno == 0) 64*0Sstevel@tonic-gate goto next; 65*0Sstevel@tonic-gate dirp->dd_off = dp->d_off; 66*0Sstevel@tonic-gate return(dp); 67*0Sstevel@tonic-gate } 68