Function hash_blob_stream

object-file.c:1133–1164

}

static int hash_blob_stream(struct odb_write_stream *stream,
			    const struct git_hash_algo *hash_algo,
			    struct object_id *result_oid, size_t size)
{
	unsigned char buf[16384];
	struct git_hash_ctx ctx;
	unsigned header_len;
	size_t bytes_hashed = 0;

	header_len = format_object_header((char *)buf, sizeof(buf),
					  OBJ_BLOB, size);
	hash_algo->init_fn(&ctx);
	git_hash_update(&ctx, buf, header_len);

	while (!stream->is_finished) {
		ssize_t read_result = odb_write_stream_read(stream, buf,
							    sizeof(buf));

		if (read_result < 0)
			return -1;

		git_hash_update(&ctx, buf, read_result);
		bytes_hashed += read_result;
	}

	if (bytes_hashed != size)
		return -1;

	git_hash_final_oid(result_oid, &ctx);

	return 0;
}

/*
 * Read the contents from the stream provided, streaming it to the