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  1. /****************************************************************************
  2. *
  3. *                            Open Watcom Project
  4. *
  5. *    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
  6. *
  7. *  ========================================================================
  8. *
  9. *    This file contains Original Code and/or Modifications of Original
  10. *    Code as defined in and that are subject to the Sybase Open Watcom
  11. *    Public License version 1.0 (the 'License'). You may not use this file
  12. *    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
  13. *    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
  14. *    provided with the Original Code and Modifications, and is also
  15. *    available at www.sybase.com/developer/opensource.
  16. *
  17. *    The Original Code and all software distributed under the License are
  18. *    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  19. *    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
  20. *    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
  21. *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
  22. *    NON-INFRINGEMENT. Please see the License for the specific language
  23. *    governing rights and limitations under the License.
  24. *
  25. *  ========================================================================
  26. *
  27. * Description:  ASCII to long long conversion routine.
  28. *
  29. ****************************************************************************/
  30.  
  31.  
  32. #include "variety.h"
  33. #include "widechar.h"
  34. #include "watcom.h"
  35. #include <stdio.h>
  36. #ifdef __WIDECHAR__
  37.     #include <wctype.h>
  38. #else
  39.     #include <ctype.h>    
  40. #endif
  41. #include <stdlib.h>
  42.  
  43. _WCRTLINK long long int __F_NAME(atoll,_wtoll)( const CHAR_TYPE *p )  /* convert ASCII string to long long int */
  44. {
  45.     unsigned long long int  value = 0;
  46.     CHAR_TYPE               sign;
  47.  
  48.     __ptr_check( p, 0 );
  49.  
  50.     while( __F_NAME(isspace,iswspace)( *p ) )
  51.         ++p;
  52.     sign = *p;
  53.     if( sign == '+' || sign == '-' ) ++p;
  54.     while( __F_NAME(isdigit,iswdigit)(*p) ) {
  55.         value = value * 10 + *p - '0';
  56.         ++p;
  57.     }
  58.     if( sign == '-' )
  59.         value = -value;
  60.     return( value );
  61. }
  62.