src/bin/wrappers.c


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#include "aplwc_repl.h"

static uint64_t malloc_count = 0;

static uint64_t
malloc_fail_after(void)
{
#if APLWC_BUILD_TYPE_RELEASE
	return UINT64_MAX;
#else
	static int setup;
	static uint64_t count, count_rec;

	if(!setup){
		setup = 1;
		count = getenv_ulong("APLWC_MALLOC_FAIL_AFTER", ULONG_MAX);
		count_rec = malloc_fail_after();
		assert(ALWAYS(count == count_rec));
	}

	return count;
#endif
}

#undef malloc
void *
wrapped_malloc(size_t size)
{
	if(malloc_count++ >= malloc_fail_after())
		return NULL;
	else
		return malloc(size);
}

#undef free
void
wrapped_free(void *ptr)
{
	free(ptr);
}