src/system/libroot/posix/string/memccpy.c

   1 /*
   2  * Copyright 2005, Haiku Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT license.
   4  */
   5
   6
   7 #include <SupportDefs.h>
   8
   9 #include <string.h>
  10
  11
  12 void *
  13 memccpy(void *_dest, const void *_source, int stopByte, size_t length)
  14 {
  15         if (length) {
  16                 const uint8 *source = (const uint8 *)_source;
  17                 uint8 *dest = (uint8 *)_dest;
  18
  19                 do {
  20                         if ((*dest++ = *source++) == (uint8)stopByte)
  21                                 return dest;
  22                 } while (--length != 0);
  23         }
  24
  25         return NULL;
  26 }
  27