vendor/libgit2/src/hash.c in rugged-0.28.3.1 vs vendor/libgit2/src/hash.c in rugged-0.28.4

@@ -5,9 +5,70 @@
  * a Linking Exception. For full terms see the included COPYING file.
  */
 
 #include "hash.h"
 
+int git_hash_global_init(void)
+{
+	return git_hash_sha1_global_init();
+}
+
+int git_hash_ctx_init(git_hash_ctx *ctx)
+{
+	int error;
+
+	if ((error = git_hash_sha1_ctx_init(&ctx->sha1)) < 0)
+		return error;
+
+	ctx->algo = GIT_HASH_ALGO_SHA1;
+
+	return 0;
+}
+
+void git_hash_ctx_cleanup(git_hash_ctx *ctx)
+{
+	switch (ctx->algo) {
+		case GIT_HASH_ALGO_SHA1:
+			git_hash_sha1_ctx_cleanup(&ctx->sha1);
+			return;
+		default:
+			assert(0);
+	}
+}
+
+int git_hash_init(git_hash_ctx *ctx)
+{
+	switch (ctx->algo) {
+		case GIT_HASH_ALGO_SHA1:
+			return git_hash_sha1_init(&ctx->sha1);
+		default:
+			assert(0);
+			return -1;
+	}
+}
+
+int git_hash_update(git_hash_ctx *ctx, const void *data, size_t len)
+{
+	switch (ctx->algo) {
+		case GIT_HASH_ALGO_SHA1:
+			return git_hash_sha1_update(&ctx->sha1, data, len);
+		default:
+			assert(0);
+			return -1;
+	}
+}
+
+int git_hash_final(git_oid *out, git_hash_ctx *ctx)
+{
+	switch (ctx->algo) {
+		case GIT_HASH_ALGO_SHA1:
+			return git_hash_sha1_final(out, &ctx->sha1);
+		default:
+			assert(0);
+			return -1;
+	}
+}
+
 int git_hash_buf(git_oid *out, const void *data, size_t len)
 {
 	git_hash_ctx ctx;
 	int error = 0;