reactos/lib/sdk/crt/mbstring/mbsspn.c

   1 /*
   2  * COPYRIGHT:   See COPYING in the top level directory
   3  * PROJECT:     ReactOS system libraries
   4  * FILE:        lib/sdk/crt/mbstring/ismbpun.c
   5  * PURPOSE:
   6  * PROGRAMER:
   7  * UPDATE HISTORY:
   8  *              05/30/08: Samuel Serapion adapted from PROJECT C Library
   9  *
  10  */
  11
  12 #include <precomp.h>
  13 #include <mbstring.h>
  14
  15 /*
  16  * @implemented
  17  */
  18 size_t _mbsspn (const unsigned char *str1, const unsigned char *str2)
  19 {
  20     int c;
  21     const unsigned char *save = str1;
  22
  23     while ((c = _mbsnextc (str1))) {
  24
  25         if (_mbschr (str2, c) == 0)
  26             break;
  27
  28         str1 = _mbsinc ((unsigned char *) str1);
  29
  30     }
  31
  32     return str1 - save;
  33 }