ReactOS  0.4.11-dev-721-g95bc44e
scanf.c
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1 /*
2  * general implementation of scanf used by scanf, sscanf, fscanf,
3  * _cscanf, wscanf, swscanf and fwscanf
4  *
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
10  *
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.
15  *
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.
20  *
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
24  */
25 
26 #include <stdarg.h>
27 #include <limits.h>
28 
29 #include <wine/winternl.h>
30 #include <wine/debug.h>
31 
32 #include "winesup.h"
33 
35 
36 //extern FILE _iob[];
37 
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.
40  */
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;
47 }
48 
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.
51  */
52 static int wchar2digit(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;
58 }
59 
60 #ifndef _LIBCNT_
61 /* vfscanf_l */
62 #undef WIDE_SCANF
63 #undef CONSOLE
64 #undef STRING
65 #undef SECURE
66 #include "scanf.h"
67 
68 /* vfwscanf_l */
69 #define WIDE_SCANF 1
70 #undef CONSOLE
71 #undef STRING
72 #undef SECURE
73 #include "scanf.h"
74 #endif /* !_LIBCNT_ */
75 
76 /* vsscanf_l */
77 #undef WIDE_SCANF
78 #undef CONSOLE
79 #define STRING 1
80 #undef SECURE
81 #include "scanf.h"
82 
83 /* vswscanf_l */
84 #define WIDE_SCANF 1
85 #undef CONSOLE
86 #define STRING 1
87 #undef SECURE
88 #include "scanf.h"
89 
90 /* vsnscanf_l */
91 #undef WIDE_SCANF
92 #undef CONSOLE
93 #define STRING 1
94 #define STRING_LEN 1
95 #undef SECURE
96 #include "scanf.h"
97 
98 #ifndef _LIBCNT_
99 /* vcscanf_l */
100 #undef WIDE_SCANF
101 #define CONSOLE 1
102 #undef STRING
103 #undef SECURE
104 #include "scanf.h"
105 
106 
107 /*********************************************************************
108  * fscanf (MSVCRT.@)
109  */
110 int CDECL fscanf(FILE *file, const char *format, ...)
111 {
113  int res;
114 
115  __ms_va_start(valist, format);
116  res = vfscanf_l(file, format, NULL, valist);
117  __ms_va_end(valist);
118  return res;
119 }
120 
121 /*********************************************************************
122  * scanf (MSVCRT.@)
123  */
124 int CDECL scanf(const char *format, ...)
125 {
127  int res;
128 
129  __ms_va_start(valist, format);
130  res = vfscanf_l(stdin, format, NULL, valist);
131  __ms_va_end(valist);
132  return res;
133 }
134 
135 /*********************************************************************
136  * fwscanf (MSVCRT.@)
137  */
138 int CDECL fwscanf(FILE *file, const wchar_t *format, ...)
139 {
141  int res;
142 
143  __ms_va_start(valist, format);
144  res = vfwscanf_l(file, format, NULL, valist);
145  __ms_va_end(valist);
146  return res;
147 }
148 
149 
150 /*********************************************************************
151  * wscanf (MSVCRT.@)
152  */
153 int CDECL wscanf(const wchar_t *format, ...)
154 {
156  int res;
157 
158  __ms_va_start(valist, format);
159  res = vfwscanf_l(stdin, format, NULL, valist);
160  __ms_va_end(valist);
161  return res;
162 }
163 #endif /* !_LIBCNT_ */
164 
165 
166 /*********************************************************************
167  * sscanf (MSVCRT.@)
168  */
169 int CDECL sscanf(const char *str, const char *format, ...)
170 {
172  int res;
173 
174  __ms_va_start(valist, format);
175  res = vsscanf_l(str, format, NULL, valist);
176  __ms_va_end(valist);
177  return res;
178 }
179 
180 
181 /*********************************************************************
182  * swscanf (MSVCRT.@)
183  */
184 int CDECL swscanf(const wchar_t *str, const wchar_t *format, ...)
185 {
187  int res;
188 
189  __ms_va_start(valist, format);
190  res = vswscanf_l(str, format, NULL, valist);
191  __ms_va_end(valist);
192  return res;
193 }
194 
195 #ifndef _LIBCNT_
196 /*********************************************************************
197  * _cscanf (MSVCRT.@)
198  */
199 int CDECL _cscanf(const char *format, ...)
200 {
202  int res;
203 
204  __ms_va_start(valist, format);
205  res = vcscanf_l(format, NULL, valist);
206  __ms_va_end(valist);
207  return res;
208 }
209 #endif
210 
211 /*********************************************************************
212  * _snscanf (MSVCRT.@)
213  */
214 int CDECL _snscanf(const char *input, size_t length, const char *format, ...)
215 {
217  int res;
218 
219  __ms_va_start(valist, format);
220  res = vsnscanf_l(input, length, format, NULL, valist);
221  __ms_va_end(valist);
222  return res;
223 }
static const char __ms_va_list
Definition: printf.c:70
FILE * stdin
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
Definition: gl.h:1546
int CDECL _cscanf(const char *format,...)
Definition: scanf.c:199
const WCHAR * str
smooth NULL
Definition: ftsmooth.c:416
static int char2digit(char c, int base)
Definition: scanf.c:41
static int wchar2digit(wchar_t c, int base)
Definition: scanf.c:52
int CDECL fscanf(FILE *file, const char *format,...)
Definition: scanf.c:110
GLenum GLuint GLenum GLsizei length
Definition: glext.h:5579
int CDECL _snscanf(const char *input, size_t length, const char *format,...)
Definition: scanf.c:214
const GLubyte * c
Definition: glext.h:8905
int CDECL fwscanf(FILE *file, const wchar_t *format,...)
Definition: scanf.c:138
int CDECL sscanf(const char *str, const char *format,...)
Definition: scanf.c:169
GLenum GLenum GLenum input
Definition: glext.h:9031
int CDECL wscanf(const wchar_t *format,...)
Definition: scanf.c:153
#define CDECL
Definition: compat.h:21
#define __ms_va_end(list)
Definition: windef.h:448
int CDECL scanf(const char *format,...)
Definition: scanf.c:124
#define __ms_va_start(list, arg)
Definition: windef.h:447
GLuint res
Definition: glext.h:9613
int CDECL swscanf(const wchar_t *str, const wchar_t *format,...)
Definition: scanf.c:184
WINE_DEFAULT_DEBUG_CHANNEL(msvcrt)
static __ms_va_list valist
Definition: printf.c:59
Definition: fci.c:126