Release 1.1.37.
[wine/gsoc-2012-control.git] / dlls / msvcrt / scanf.c
blob895989703109898c92b76a1c68173528b97df3c2
1 /*
2 * general implementation of scanf used by scanf, sscanf, fscanf,
3 * _cscanf, wscanf, swscanf and fwscanf
5 * Copyright 1996,1998 Marcus Meissner
6 * Copyright 1996 Jukka Iivonen
7 * Copyright 1997,2000 Uwe Bonnes
8 * Copyright 2000 Jon Griffiths
9 * Copyright 2002 Daniel Gudbjartsson
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
26 #include <stdarg.h>
28 #include "windef.h"
29 #include "winbase.h"
30 #include "winternl.h"
31 #include "msvcrt.h"
32 #include "wine/debug.h"
34 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
36 extern MSVCRT_FILE MSVCRT__iob[];
38 /* helper function for *scanf. Returns the value of character c in the
39 * given base, or -1 if the given character is not a digit of the base.
41 static int char2digit(char c, int base) {
42 if ((c>='0') && (c<='9') && (c<='0'+base-1)) return (c-'0');
43 if (base<=10) return -1;
44 if ((c>='A') && (c<='Z') && (c<='A'+base-11)) return (c-'A'+10);
45 if ((c>='a') && (c<='z') && (c<='a'+base-11)) return (c-'a'+10);
46 return -1;
49 /* helper function for *wscanf. Returns the value of character c in the
50 * given base, or -1 if the given character is not a digit of the base.
52 static int wchar2digit(MSVCRT_wchar_t c, int base) {
53 if ((c>='0') && (c<='9') && (c<='0'+base-1)) return (c-'0');
54 if (base<=10) return -1;
55 if ((c>='A') && (c<='Z') && (c<='A'+base-11)) return (c-'A'+10);
56 if ((c>='a') && (c<='z') && (c<='a'+base-11)) return (c-'a'+10);
57 return -1;
60 /* vfscanf */
61 #undef WIDE_SCANF
62 #undef CONSOLE
63 #undef STRING
64 #include "scanf.h"
66 /* vfwscanf */
67 #define WIDE_SCANF 1
68 #undef CONSOLE
69 #undef STRING
70 #include "scanf.h"
72 /* vsscanf */
73 #undef WIDE_SCANF
74 #undef CONSOLE
75 #define STRING 1
76 #include "scanf.h"
78 /* vswscanf */
79 #define WIDE_SCANF 1
80 #undef CONSOLE
81 #define STRING 1
82 #include "scanf.h"
84 /* vcscanf */
85 #undef WIDE_SCANF
86 #define CONSOLE 1
87 #undef STRING
88 #include "scanf.h"
91 /*********************************************************************
92 * fscanf (MSVCRT.@)
94 int CDECL MSVCRT_fscanf(MSVCRT_FILE *file, const char *format, ...)
96 __ms_va_list valist;
97 int res;
99 __ms_va_start(valist, format);
100 res = MSVCRT_vfscanf(file, format, valist);
101 __ms_va_end(valist);
102 return res;
105 /*********************************************************************
106 * scanf (MSVCRT.@)
108 int CDECL MSVCRT_scanf(const char *format, ...)
110 __ms_va_list valist;
111 int res;
113 __ms_va_start(valist, format);
114 res = MSVCRT_vfscanf(MSVCRT_stdin, format, valist);
115 __ms_va_end(valist);
116 return res;
119 /*********************************************************************
120 * fwscanf (MSVCRT.@)
122 int CDECL MSVCRT_fwscanf(MSVCRT_FILE *file, const MSVCRT_wchar_t *format, ...)
124 __ms_va_list valist;
125 int res;
127 __ms_va_start(valist, format);
128 res = MSVCRT_vfwscanf(file, format, valist);
129 __ms_va_end(valist);
130 return res;
134 /*********************************************************************
135 * wscanf (MSVCRT.@)
137 int CDECL MSVCRT_wscanf(const MSVCRT_wchar_t *format, ...)
139 __ms_va_list valist;
140 int res;
142 __ms_va_start(valist, format);
143 res = MSVCRT_vfwscanf(MSVCRT_stdin, format, valist);
144 __ms_va_end(valist);
145 return res;
149 /*********************************************************************
150 * sscanf (MSVCRT.@)
152 int CDECL MSVCRT_sscanf(const char *str, const char *format, ...)
154 __ms_va_list valist;
155 int res;
157 __ms_va_start(valist, format);
158 res = MSVCRT_vsscanf(str, format, valist);
159 __ms_va_end(valist);
160 return res;
164 /*********************************************************************
165 * swscanf (MSVCRT.@)
167 int CDECL MSVCRT_swscanf(const MSVCRT_wchar_t *str, const MSVCRT_wchar_t *format, ...)
169 __ms_va_list valist;
170 int res;
172 __ms_va_start(valist, format);
173 res = MSVCRT_vswscanf(str, format, valist);
174 __ms_va_end(valist);
175 return res;
179 /*********************************************************************
180 * _cscanf (MSVCRT.@)
182 int CDECL _cscanf(const char *format, ...)
184 __ms_va_list valist;
185 int res;
187 __ms_va_start(valist, format);
188 res = MSVCRT_vcscanf(format, valist);
189 __ms_va_end(valist);
190 return res;