1 2 #include <stdio.h> 3 #include <stdlib.h> 4 5 /* The original test driver machinery. */ 6 #define N_TEST_TRANSACTIONS 500 7 #define N_TEST_ARR 2000 8 9 #define M_TEST_MALLOC 1000 10 11 void* test_arr[N_TEST_ARR]; 12 13 int main ( int argc, char** argv ) 14 { 15 int i, j, k, nbytes; 16 unsigned char* chp; 17 18 for (i = 0; i < N_TEST_ARR; i++) 19 test_arr[i] = NULL; 20 21 for (i = 0; i < N_TEST_TRANSACTIONS; i++) { 22 j = random() % N_TEST_ARR; 23 if (test_arr[j]) { 24 free(test_arr[j]); 25 test_arr[j] = NULL; 26 } else { 27 nbytes = 1 + random() % M_TEST_MALLOC; 28 if (random()%64 == 32) 29 nbytes *= 17; 30 test_arr[j] = malloc( nbytes ); 31 chp = test_arr[j]; 32 for (k = 1; k < nbytes; k++) 33 chp[k] = (unsigned char)(k + 99); 34 } 35 } 36 37 for (i = 0; test_arr[i] == NULL; i++) ; 38 free(test_arr[i]); 39 ((char*)test_arr[i])[0] = 0; 40 41 for (i = 0; i < N_TEST_ARR; i++) { 42 if (test_arr[i]) { 43 free(test_arr[i]); 44 test_arr[i] = NULL; 45 } 46 } 47 48 return 0; 49 } 50
