1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright (c) 1999 by Sun Microsystems, Inc. 28 * All rights reserved. 29 */ 30 31 /* vpopen - view path version of the open system call */ 32 33 #include <sys/types.h> 34 #include <fcntl.h> 35 #include <sys/stat.h> 36 #include <stdio.h> 37 #include "vp.h" 38 39 #define READ 0 40 41 int 42 vpopen(char *path, int oflag) 43 { 44 char buf[MAXPATH + 1]; 45 int returncode; 46 int i; 47 48 if ((returncode = open(path, oflag, 0666)) == -1 && *path != '/' && 49 oflag == READ) { 50 vpinit((char *)0); 51 for (i = 1; i < vpndirs; i++) { 52 (void) sprintf(buf, "%s/%s", vpdirs[i], path); 53 if ((returncode = open(buf, oflag, 0666)) != -1) { 54 break; 55 } 56 } 57 } 58 return (returncode); 59 } 60