view demos/test/store_test.c @ 162:bc4e3ac2dd5a libtomcrypt

make data pointers volatile so that memory zeroing won't get optimised away
author Matt Johnston <matt@ucc.asn.au>
date Sun, 02 Jan 2005 17:09:05 +0000
parents 5d99163f7e32
children
line wrap: on
line source

#include "test.h"

/* Test store/load macros with offsets */
int store_test(void)
{
  unsigned char buf[24];
  unsigned long L, L1;
  int y;
  ulong64 LL, LL1;

  L = 0x12345678UL;
  for (y = 0; y < 4; y++) {
      STORE32L(L, buf + y);
      LOAD32L(L1, buf + y);
      if (L1 != L) {
         fprintf(stderr, "\n32L failed at offset %d\n", y);
         return 1;
      }
      STORE32H(L, buf + y);
      LOAD32H(L1, buf + y);
      if (L1 != L) {
         fprintf(stderr, "\n32H failed at offset %d\n", y);
         return 1;
      }
  }

  LL = CONST64 (0x01020304050607);
  for (y = 0; y < 8; y++) {
      STORE64L(LL, buf + y);
      LOAD64L(LL1, buf + y);
      if (LL1 != LL) {
         fprintf(stderr, "\n64L failed at offset %d\n", y);
         return 1;
      }
      STORE64H(LL, buf + y);
      LOAD64H(LL1, buf + y);
      if (LL1 != LL) {
         fprintf(stderr, "\n64H failed at offset %d\n", y);
         return 1;
      }
  }

  return 0;
}