sha2.c: suppress warnings

* ext/digest/sha2/sha2.c (SHA256_Final, SHA512_Last): suppress strict-aliasing warnings on gcc 4.8. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40033 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
imasahiro · Apr 1, 2013 · 3eb4b0a · 3eb4b0a
1 parent 318e883
commit 3eb4b0a
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/ext/digest/sha2/sha2.c b/ext/digest/sha2/sha2.c
@@ -613,7 +613,8 @@ void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) {
 			*context->buffer = 0x80;
 		}
 		/* Set the bit count: */
-		*(sha2_word64*)&context->buffer[SHA256_SHORT_BLOCK_LENGTH] = context->bitcount;
+		MEMCPY_BCOPY(&context->buffer[SHA256_SHORT_BLOCK_LENGTH], &context->bitcount,
+			     sizeof(sha2_word64));
 
 		/* Final transform: */
 		SHA256_Transform(context, (sha2_word32*)context->buffer);
@@ -930,8 +931,10 @@ void SHA512_Last(SHA512_CTX* context) {
 		*context->buffer = 0x80;
 	}
 	/* Store the length of input data (in bits): */
-	*(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH] = context->bitcount[1];
-	*(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0];
+	MEMCPY_BCOPY(&context->buffer[SHA512_SHORT_BLOCK_LENGTH], &context->bitcount[1],
+		     sizeof(sha2_word64));
+	MEMCPY_BCOPY(&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8], &context->bitcount[0],
+		     sizeof(sha2_word64));
 
 	/* Final transform: */
 	SHA512_Transform(context, (sha2_word64*)context->buffer);