xref: /illumos-gate/usr/src/lib/libc/port/stdio/wscanf.c (revision 1a2d662a91cee3bf82f41cd47c7ae6f3825d9db2)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include "lint.h"
28 #include "file64.h"
29 #include <mtlib.h>
30 #include <stdio.h>
31 #include <stdarg.h>
32 #include <string.h>
33 #include <thread.h>
34 #include <synch.h>
35 #include <wchar.h>
36 #include <errno.h>
37 #include <stdlib.h>
38 #include <alloca.h>
39 #include "mse.h"
40 #include "stdiom.h"
41 #include "libc.h"
42 
43 int
44 wscanf(const wchar_t *fmt, ...)
45 {
46 	int ret;
47 	va_list	ap;
48 
49 	va_start(ap, fmt);
50 	ret = vwscanf(fmt, ap);
51 	va_end(ap);
52 
53 	return (ret);
54 }
55 
56 int
57 fwscanf(FILE *iop, const wchar_t *fmt, ...)
58 {
59 	int ret;
60 	va_list	ap;
61 
62 	va_start(ap, fmt);
63 	ret = vfwscanf(iop, fmt, ap);
64 	va_end(ap);
65 
66 	return (ret);
67 }
68 
69 int
70 swscanf(const wchar_t *wstr, const wchar_t *fmt, ...)
71 {
72 	int ret;
73 	va_list	ap;
74 
75 	va_start(ap, fmt);
76 	ret = vswscanf(wstr, fmt, ap);
77 	va_end(ap);
78 
79 	return (ret);
80 }
81 
82 
83 #ifndef _LP64
84 
85 /*
86  * 32-bit shadow function _wscanf_c89(), _fwscanf_c89(), _swscanf_c89()
87  * are included here.
88  * When using the c89 compiler to build 32-bit applications, the size
89  * of intmax_t is 32-bits, otherwise the size of intmax_t is 64-bits.
90  * The shadow function uses 32-bit size of intmax_t for %j conversion.
91  * The #pragma redefine_extname in <stdio.h> selects the proper routine
92  * at compile time for the user application.
93  * NOTE: the shadow function only exists in the 32-bit library.
94  */
95 
96 int
97 _wscanf_c89(const wchar_t *fmt, ...)
98 {
99 	int ret;
100 	va_list	ap;
101 
102 	va_start(ap, fmt);
103 	ret = _vwscanf_c89(fmt, ap);
104 	va_end(ap);
105 
106 	return (ret);
107 }
108 
109 int
110 _fwscanf_c89(FILE *iop, const wchar_t *fmt, ...)
111 {
112 	int ret;
113 	va_list	ap;
114 
115 	va_start(ap, fmt);
116 	ret = _vfwscanf_c89(iop, fmt, ap);
117 	va_end(ap);
118 
119 	return (ret);
120 }
121 
122 int
123 _swscanf_c89(const wchar_t *wstr, const wchar_t *fmt, ...)
124 {
125 	int ret;
126 	va_list	ap;
127 
128 	va_start(ap, fmt);
129 	ret = _vswscanf_c89(wstr, fmt, ap);
130 	va_end(ap);
131 
132 	return (ret);
133 }
134 #endif	/* _LP64 */
135