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#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#define N_PTRS 1000
#define N_ALLOCS 1000
#define MAX_SIZE 0x10000
#define random_size() (random()%MAX_SIZE)
#define random_ptr() (random()%N_PTRS)
int test1(void);
int test2(void);
int main(int argc, char *argv[])
{
return test1() + test2();
}
int test1(void)
{
void **ptrs;
int i,j;
int size;
int ret = 0;
srandom(0x19730929);
ptrs = malloc(N_PTRS*sizeof(void *));
for(i=0; i<N_PTRS; i++){
if ((ptrs[i] = malloc(random_size())) == NULL) {
printf("malloc random failed! %i\n", i);
++ret;
}
}
for(i=0; i<N_ALLOCS; i++){
j = random_ptr();
free(ptrs[j]);
size = random_size();
ptrs[j] = malloc(size);
if (!ptrs[j]) {
printf("malloc failed! %d\n", i);
++ret;
}
memset(ptrs[j],0,size);
}
for(i=0; i<N_PTRS; i++){
free(ptrs[i]);
}
return ret;
}
int test2(void)
{
void *ptr = NULL;
int ret = 0;
ptr = realloc(ptr,100);
if (!ptr) {
printf("couldn't realloc() a NULL pointer\n");
++ret;
} else {
free(ptr);
}
ptr = malloc(100);
ptr = realloc(ptr, 0);
if (ptr) {
printf("realloc(,0) failed\n");
++ret;
free(ptr);
}
return ret;
}
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