klibc/klibc/tests/memstrtest.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4
   5 int main(void)
   6 {
   7     unsigned char t1[256], t2[256];
   8     int i;
   9     int r;
  10
  11     for(i = 0; i < sizeof(t1); i++)
  12         t1[i] = t2[i] = (unsigned char)i;
  13
  14     r = memcmp(t1, t2, sizeof(t1));
  15     printf("memcmp r = %d\n", r);
  16     r = memcmp(t1, t2, sizeof(t1)/2);
  17     printf("memcmp r = %d\n", r);
  18     t1[255] = 0;
  19     r = memcmp(t1, t2, sizeof(t1));
  20     printf("memcmp r = %d\n", r);
  21
  22     for (i = 0; i < sizeof(t1); i++)
  23         t1[i] = 0xaa;
  24     memset(t2, 0xaa, sizeof(t2));
  25     r = memcmp(t1, t2, sizeof(t1));
  26     printf("memcmp r = %d\n", r);
  27     return 0;
  28 }
  29