xref: /titanic_52/usr/src/tools/cscope-fast/vpfopen.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
23*7c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*7c478bd9Sstevel@tonic-gate 
25*7c478bd9Sstevel@tonic-gate 
26*7c478bd9Sstevel@tonic-gate /*
27*7c478bd9Sstevel@tonic-gate  * Copyright (c) 1999 by Sun Microsystems, Inc.
28*7c478bd9Sstevel@tonic-gate  * All rights reserved.
29*7c478bd9Sstevel@tonic-gate  */
30*7c478bd9Sstevel@tonic-gate 
31*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
32*7c478bd9Sstevel@tonic-gate 
33*7c478bd9Sstevel@tonic-gate /* vpfopen - view path version of the fopen library function */
34*7c478bd9Sstevel@tonic-gate 
35*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
36*7c478bd9Sstevel@tonic-gate #include <stdio.h>
37*7c478bd9Sstevel@tonic-gate #include <ctype.h>
38*7c478bd9Sstevel@tonic-gate #include <string.h>
39*7c478bd9Sstevel@tonic-gate #include "vp.h"
40*7c478bd9Sstevel@tonic-gate 
41*7c478bd9Sstevel@tonic-gate FILE *
42*7c478bd9Sstevel@tonic-gate vpfopen(char *filename, char *type)
43*7c478bd9Sstevel@tonic-gate {
44*7c478bd9Sstevel@tonic-gate 	char	buf[MAXPATH + 1];
45*7c478bd9Sstevel@tonic-gate 	FILE	*returncode;
46*7c478bd9Sstevel@tonic-gate 	int	i;
47*7c478bd9Sstevel@tonic-gate 
48*7c478bd9Sstevel@tonic-gate 	if ((returncode = fopen(filename, type)) == NULL &&
49*7c478bd9Sstevel@tonic-gate 	    filename[0] != '/' && strcmp(type, "r") == 0) {
50*7c478bd9Sstevel@tonic-gate 		vpinit((char *)0);
51*7c478bd9Sstevel@tonic-gate 		for (i = 1; i < vpndirs; i++) {
52*7c478bd9Sstevel@tonic-gate 			(void) sprintf(buf, "%s/%s", vpdirs[i], filename);
53*7c478bd9Sstevel@tonic-gate 			if ((returncode = fopen(buf, type)) != NULL) {
54*7c478bd9Sstevel@tonic-gate 				break;
55*7c478bd9Sstevel@tonic-gate 			}
56*7c478bd9Sstevel@tonic-gate 
57*7c478bd9Sstevel@tonic-gate 		}
58*7c478bd9Sstevel@tonic-gate 	}
59*7c478bd9Sstevel@tonic-gate 	return (returncode);
60*7c478bd9Sstevel@tonic-gate }
61