xref: /illumos-gate/usr/src/tools/cscope-fast/vpfopen.c (revision 8b80e8cb6855118d46f605e91b5ed4ce83417395)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
32 
33 /* vpfopen - view path version of the fopen library function */
34 
35 #include <sys/types.h>
36 #include <stdio.h>
37 #include <ctype.h>
38 #include <string.h>
39 #include "vp.h"
40 
41 FILE *
42 vpfopen(char *filename, char *type)
43 {
44 	char	buf[MAXPATH + 1];
45 	FILE	*returncode;
46 	int	i;
47 
48 	if ((returncode = fopen(filename, type)) == NULL &&
49 	    filename[0] != '/' && strcmp(type, "r") == 0) {
50 		vpinit((char *)0);
51 		for (i = 1; i < vpndirs; i++) {
52 			(void) sprintf(buf, "%s/%s", vpdirs[i], filename);
53 			if ((returncode = fopen(buf, type)) != NULL) {
54 				break;
55 			}
56 
57 		}
58 	}
59 	return (returncode);
60 }
61