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