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lib: Add obvious definition for calloc

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The calloc() function is useful in addition to malloc and friends, so
add the obvious definition.

Change-Id: I57a568e323344a97b35014b7b8bec16adc2fd720
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51949
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Tim Wawrzynczak
2021-03-30 11:49:14 -06:00
committed by Patrick Georgi
parent 8aedb34501
commit c556dffe98
3 changed files with 34 additions and 1 deletions
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22
tests/lib/malloc-test.c
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@@ -2,6 +2,7 @@
/* Include malloc() and memalign() source code and alter its name to indicate the functions
source origin. */
#define calloc cb_calloc
#define malloc cb_malloc
#define free cb_free
#define memalign cb_memalign
@@ -10,6 +11,7 @@
#include "../lib/malloc.c"
#undef calloc
#undef malloc
#undef free
#undef memalign
@@ -46,6 +48,12 @@ static int setup_test(void **state)
return 0;
}
static int setup_calloc_test(void **state)
{
memset(&_heap, 0xFF, TEST_HEAP_SZ);
return setup_test(state);
}
static void test_malloc_out_of_memory(void **state)
{
/* Expect die() call if out of memory */
@@ -130,6 +138,19 @@ static void test_memalign_multiple_small_allocations(void **state)
}
}
static void test_calloc_memory_is_zeroed(void **state)
{
const size_t nitems = 42;
const size_t size = sizeof(uint32_t);
void *ptr = cb_calloc(nitems, size);
assert_non_null(ptr);
for (size_t i = 0; i < nitems; i++) {
const uint32_t *p = (const uint32_t *)ptr + i;
assert_int_equal(*p, 0);
}
}
int main(void)
{
const struct CMUnitTest tests[] = {
@@ -140,6 +161,7 @@ int main(void)
cmocka_unit_test_setup(test_memalign_out_of_memory, setup_test),
cmocka_unit_test_setup(test_memalign_zero, setup_test),
cmocka_unit_test_setup(test_memalign_multiple_small_allocations, setup_test),
cmocka_unit_test_setup(test_calloc_memory_is_zeroed, setup_calloc_test),
};
return cmocka_run_group_tests(tests, NULL, NULL);