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#include "structures.h"
void test_malloc()
{
int *p = (int*) malloc(1);
free(p);
free(p); // warning: attempt to free released memory
}
void test_use_after_free()
{
int *p = (int*) malloc(sizeof(int));
free(p);
*p = 1; // warning: use after free
}
void test_leak()
{
int *p = (int*) malloc(1);
if (p)
return; // warning: memory is never released
}
void test_free_local()
{
int a[] = { 1 };
free(a); // warning: argument is not allocated by malloc
}
void test_free_offset()
{
int *p = (int*) malloc(sizeof(char));
p = p - 1;
free(p); // warning: argument to free() is offset by -4 bytes
}