hash_common_crypto.h in rugged-0.27.0

- old
+ new

@@ -3,21 +3,23 @@
  *
  * This file is part of libgit2, distributed under the GNU GPL v2 with
  * a Linking Exception. For full terms see the included COPYING file.
  */
 
-#ifndef INCLUDE_hash_common_crypto_h__
-#define INCLUDE_hash_common_crypto_h__
+#ifndef INCLUDE_hash_hash_common_crypto_h__
+#define INCLUDE_hash_hash_common_crypto_h__
 
 #include "hash.h"
 
 #include <CommonCrypto/CommonDigest.h>
 
 struct git_hash_ctx {
 	CC_SHA1_CTX c;
 };
 
+#define CC_LONG_MAX ((CC_LONG)-1)
+
 #define git_hash_global_init() 0
 #define git_hash_ctx_init(ctx) git_hash_init(ctx)
 #define git_hash_ctx_cleanup(ctx)
 
 GIT_INLINE(int) git_hash_init(git_hash_ctx *ctx)
@@ -25,20 +27,31 @@
 	assert(ctx);
 	CC_SHA1_Init(&ctx->c);
 	return 0;
 }
 
-GIT_INLINE(int) git_hash_update(git_hash_ctx *ctx, const void *data, size_t len)
+GIT_INLINE(int) git_hash_update(git_hash_ctx *ctx, const void *_data, size_t len)
 {
+	const unsigned char *data = _data;
+
 	assert(ctx);
-	CC_SHA1_Update(&ctx->c, data, len);
+
+	while (len > 0) {
+		CC_LONG chunk = (len > CC_LONG_MAX) ? CC_LONG_MAX : (CC_LONG)len;
+
+		CC_SHA1_Update(&ctx->c, data, chunk);
+
+		data += chunk;
+		len -= chunk;
+	}
+
 	return 0;
 }
 
 GIT_INLINE(int) git_hash_final(git_oid *out, git_hash_ctx *ctx)
 {
 	assert(ctx);
 	CC_SHA1_Final(out->id, &ctx->c);
 	return 0;
 }
 
-#endif /* INCLUDE_hash_common_crypto_h__ */
+#endif