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 (c) 1996, by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27 /*
28 * vsscanf.c
29 *
30 * Copyright 1985, 1994 by Mortice Kern Systems Inc. All rights reserved.
31 *
32 */
33
34 #ifdef M_RCSID
35 #ifndef lint
36 static char rcsID[] = "$Header: /rd/src/libc/mks/rcs/m_vsscan.c 1.2 1994/06/17 18:19:41 ant Exp $";
37 #endif
38 #endif
39
40 #include <mks.h>
41 #include <stdio.h>
42 #include <stdarg.h>
43 #include <limits.h>
44
45 extern int mks_vfscanf ANSI((FILE *, char *, va_list));
46
47 LDEFN int
m_vsscanf(buf,fmt,vp)48 m_vsscanf(buf, fmt, vp)
49 char *buf, *fmt;
50 va_list vp;
51 {
52 static FILE *fp = NULL;
53
54 /* Either open or reuse a temporary file. Note temporary files
55 * opened by tmpfile() will be automatically closed and removed
56 * when the program terminates (so says ANSI C).
57 */
58 if (fp == NULL && (fp = tmpfile()) == NULL)
59 return -1;
60 else
61 (void) rewind(fp);
62
63 /* Write out the contents of the buffer to the temporary file. */
64 (void) fputs(buf, fp);
65
66 /* Rewind in preparation for reading. */
67 (void) rewind(fp);
68
69 return (mks_vfscanf(fp, fmt, vp));
70 }
71