xref: /titanic_44/usr/src/lib/libbc/libc/stdio/sys5/vsprintf.c (revision 7014882c6a3672fd0e5d60200af8643ae53c5928)
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 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /*        All Rights Reserved   */
29 
30 /*
31  * Portions of this source code were derived from Berkeley 4.3 BSD
32  * under license from the Regents of the University of California.
33  */
34 
35 #pragma ident	"%Z%%M%	%I%	%E% SMI"
36 
37 /*LINTLIBRARY*/
38 #include <stdio.h>
39 #include <stdarg.h>
40 #include <values.h>
41 
42 extern int _doprnt();
43 
44 /*VARARGS2*/
45 int
46 vsprintf(char *string, char *format, va_list ap)
47 {
48 	int count;
49 	FILE siop;
50 
51 	siop._cnt = MAXINT;
52 	siop._base = siop._ptr = (unsigned char *)string;
53 	siop._flag = _IOWRT+_IOSTRG;
54 	count = _doprnt(format, ap, &siop);
55 	*siop._ptr = '\0'; /* plant terminating null character */
56 	return (count);
57 }
58