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Realloc: Make behavior of realloc(ptr, 0) configurable.

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This commit is contained in:
David T. Goldblatt
2019-09-23 17:56:19 -07:00
committed by David Goldblatt
parent ee961c2310
commit 9cfa805947
15 changed files with 256 additions and 26 deletions
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24
test/unit/hook.c
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@@ -428,15 +428,21 @@ TEST_BEGIN(test_hooks_realloc_as_malloc_or_free) {
free(ptr);
/* realloc(ptr, 0) as free */
ptr = malloc(1);
reset();
realloc(ptr, 0);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_dalloc_realloc, "Wrong hook type");
assert_ptr_eq(ptr, arg_address, "Wrong pointer freed");
assert_u64_eq((uintptr_t)ptr, arg_args_raw[0], "Wrong raw arg");
assert_u64_eq((uintptr_t)0, arg_args_raw[1], "Wrong raw arg");
if (opt_zero_realloc_action == zero_realloc_action_free) {
ptr = malloc(1);
reset();
realloc(ptr, 0);
assert_d_eq(call_count, 1, "Hook not called");
assert_ptr_eq(arg_extra, (void *)123, "Wrong extra");
assert_d_eq(arg_type, (int)hook_dalloc_realloc,
"Wrong hook type");
assert_ptr_eq(ptr, arg_address,
"Wrong pointer freed");
assert_u64_eq((uintptr_t)ptr, arg_args_raw[0],
"Wrong raw arg");
assert_u64_eq((uintptr_t)0, arg_args_raw[1],
"Wrong raw arg");
}
/* realloc(NULL, 0) as malloc(0) */
reset();