unbound/compat/memcmp.c

   1 /*
   2  *      memcmp.c: memcmp compat implementation.
   3  *
   4  *      Copyright (c) 2010, NLnet Labs. All rights reserved.
   5  *
   6  * See LICENSE for the license.
   7 */
   8
   9 #include <config.h>
  10
  11 int memcmp(const void *x, const void *y, size_t n);
  12
  13 int memcmp(const void *x, const void *y, size_t n)
  14 {
  15         const uint8_t* x8 = (const uint8_t*)x;
  16         const uint8_t* y8 = (const uint8_t*)y;
  17         size_t i;
  18         for(i=0; i<n; i++) {
  19                 if(x8[i] < y8[i])
  20                         return -1;
  21                 else if(x8[i] > y8[i])
  22                         return 1;
  23         }
  24         return 0;
  25 }