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