dlls/msvcrt/scanf.c

   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  24  */
  25
  26 #include <stdarg.h>
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winreg.h"
  31 #include "winternl.h"
  32 #include "msvcrt.h"
  33 #include "msvcrt/conio.h"
  34 #include "msvcrt/io.h"
  35 #include "msvcrt/stdio.h"
  36 #include "msvcrt/wctype.h"
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  40
  41 /* helper function for *scanf.  Returns the value of character c in the
  42  * given base, or -1 if the given character is not a digit of the base.
  43  */
  44 static int char2digit(char c, int base) {
  45     if ((c>='0') && (c<='9') && (c<='0'+base-1)) return (c-'0');
  46     if (base<=10) return -1;
  47     if ((c>='A') && (c<='Z') && (c<='A'+base-11)) return (c-'A'+10);
  48     if ((c>='a') && (c<='z') && (c<='a'+base-11)) return (c-'a'+10);
  49     return -1;
  50 }
  51
  52 /* helper function for *wscanf.  Returns the value of character c in the
  53  * given base, or -1 if the given character is not a digit of the base.
  54  */
  55 static int wchar2digit(MSVCRT_wchar_t c, int base) {
  56     if ((c>=L'0') && (c<=L'9') && (c<=L'0'+base-1)) return (c-L'0');
  57     if (base<=10) return -1;
  58     if ((c>=L'A') && (c<=L'Z') && (c<=L'A'+base-11)) return (c-L'A'+10);
  59     if ((c>=L'a') && (c<=L'z') && (c<=L'a'+base-11)) return (c-L'a'+10);
  60     return -1;
  61 }
  62
  63
  64 /*********************************************************************
  65  *              fscanf (MSVCRT.@)
  66  */
  67 #undef WIDE_SCANF
  68 #undef CONSOLE
  69 #undef STRING
  70 #include "scanf.h"
  71
  72 /*********************************************************************
  73  *              fwscanf (MSVCRT.@)
  74  */
  75 #define WIDE_SCANF 1
  76 #undef CONSOLE
  77 #undef STRING
  78 #include "scanf.h"
  79
  80 /*********************************************************************
  81  *              sscanf (MSVCRT.@)
  82  */
  83 #undef WIDE_SCANF
  84 #undef CONSOLE
  85 #define STRING 1
  86 #include "scanf.h"
  87
  88 /*********************************************************************
  89  *              swscanf (MSVCRT.@)
  90  */
  91 #define WIDE_SCANF 1
  92 #undef CONSOLE
  93 #define STRING 1
  94 #include "scanf.h"
  95
  96 /*********************************************************************
  97  *              _cscanf (MSVCRT.@)
  98  */
  99 #undef WIDE_SCANF
 100 #define CONSOLE 1
 101 #undef STRING
 102 #include "scanf.h"