reactos/lib/string/wtol.c

   1 #include <string.h>
   2 #include <stdlib.h>
   3 #include <windows.h>
   4
   5 /*
   6  * @implemented
   7  */
   8 long
   9 _wtol(const wchar_t *str)
  10 {
  11      ULONG RunningTotal = 0;
  12     char bMinus = 0;
  13
  14     while (iswctype(*str, _SPACE) ) {
  15         str++;
  16     } /* while */
  17
  18     if (*str == L'+') {
  19         str++;
  20     } else if (*str == L'-') {
  21         bMinus = 1;
  22         str++;
  23     } /* if */
  24
  25     while (*str >= L'0' && *str <= L'9') {
  26         RunningTotal = RunningTotal * 10 + *str - L'0';
  27         str++;
  28     } /* while */
  29
  30     return bMinus ? -RunningTotal : RunningTotal;
  31 }
  32
  33