hash: hash functions operate on byte arrays not git_oids

Separate the concerns of the hash functions from the git_oid functions.
The git_oid structure will need to understand either SHA1 or SHA256; the
hash functions should only deal with the appropriate one of these.

1 files changed, 4 insertions, 5 deletions

diff --git a/src/hash.h b/src/hash.h
index 7938e3b22..ec91fa43a 100644
--- a/src/hash.h
+++ b/src/hash.h
@@ -11,6 +11,7 @@
 #include "common.h"
 
 #include "git2/oid.h"
+#include "hash/sha1.h"
 
 typedef struct {
 	void *data;
@@ -22,8 +23,6 @@ typedef enum {
 	GIT_HASH_ALGORITHM_SHA1
 } git_hash_algorithm_t;
 
-#include "hash/sha1.h"
-
 typedef struct git_hash_ctx {
 	union {
 		git_hash_sha1_ctx sha1;
@@ -38,9 +37,9 @@ void git_hash_ctx_cleanup(git_hash_ctx *ctx);
 
 int git_hash_init(git_hash_ctx *c);
 int git_hash_update(git_hash_ctx *c, const void *data, size_t len);
-int git_hash_final(git_oid *out, git_hash_ctx *c);
+int git_hash_final(unsigned char *out, git_hash_ctx *c);
 
-int git_hash_buf(git_oid *out, const void *data, size_t len, git_hash_algorithm_t algorithm);
-int git_hash_vec(git_oid *out, git_buf_vec *vec, size_t n, git_hash_algorithm_t algorithm);
+int git_hash_buf(unsigned char *out, const void *data, size_t len, git_hash_algorithm_t algorithm);
+int git_hash_vec(unsigned char *out, git_buf_vec *vec, size_t n, git_hash_algorithm_t algorithm);
 
 #endif