wcsxfrm.c

来自「ReactOS是一些高手根据Windows XP的内核编写出的类XP。内核实现机」· C语言 代码 · 共 37 行

/*
 * COPYRIGHT:   See COPYING in the top level directory
 * PROJECT:     ReactOS system libraries
 * FILE:        lib/crt/??????
 * PURPOSE:     Unknown
 * PROGRAMER:   Unknown
 * UPDATE HISTORY:
 *              25/11/05: Added license header
 */

#include <precomp.h>

/*
 * @implemented
 */
size_t wcsxfrm(wchar_t *dst,const wchar_t *src, size_t n)
{
  size_t r = 0;
  int c;

  if (n != 0) {
    while ((c = *src++) != 0)
    {
      r++;
      if (--n == 0)
      {
	while (*src++ != 0)
	  r++;
	break;
      }
      *dst++ = c;
    }
    *dst = 0;
  }
  return r;
}