Fix stack corruption and uninitialized var warning
Stack corruption happens in x64 bit
This resolves #347.
diff --git a/test/unit/hash.c b/test/unit/hash.c
index f50ba81..010c9d7 100644
--- a/test/unit/hash.c
+++ b/test/unit/hash.c
@@ -64,14 +64,15 @@
hash_variant_verify_key(hash_variant_t variant, uint8_t *key)
{
const int hashbytes = hash_variant_bits(variant) / 8;
- VARIABLE_ARRAY(uint8_t, hashes, hashbytes * 256);
+ const int hashes_size = hashbytes * 256;
+ VARIABLE_ARRAY(uint8_t, hashes, hashes_size);
VARIABLE_ARRAY(uint8_t, final, hashbytes);
unsigned i;
uint32_t computed, expected;
memset(key, 0, KEY_SIZE);
- memset(hashes, 0, sizeof(hashes));
- memset(final, 0, sizeof(final));
+ memset(hashes, 0, hashes_size);
+ memset(final, 0, hashbytes);
/*
* Hash keys of the form {0}, {0,1}, {0,1,2}, ..., {0,1,...,255} as the
@@ -102,17 +103,17 @@
/* Hash the result array. */
switch (variant) {
case hash_variant_x86_32: {
- uint32_t out = hash_x86_32(hashes, hashbytes*256, 0);
+ uint32_t out = hash_x86_32(hashes, hashes_size, 0);
memcpy(final, &out, sizeof(out));
break;
} case hash_variant_x86_128: {
uint64_t out[2];
- hash_x86_128(hashes, hashbytes*256, 0, out);
+ hash_x86_128(hashes, hashes_size, 0, out);
memcpy(final, out, sizeof(out));
break;
} case hash_variant_x64_128: {
uint64_t out[2];
- hash_x64_128(hashes, hashbytes*256, 0, out);
+ hash_x64_128(hashes, hashes_size, 0, out);
memcpy(final, out, sizeof(out));
break;
} default: not_reached();