#ifndef DIGEST_UPDATE_H
#define DIGEST_UPDATE_H

#include <stddef.h>
#include <stdint.h>

#define IMPL_DIGEST_UPDATE(algo, block_mask, compress_fn)				\
void																	\
algo##_update(void *ctx, const uint8_t *data, size_t len)				\
{																		\
	struct algo##_ctx	*local_ctx = ctx;								\
	for (size_t i = 0; i < len; ++i) {									\
		local_ctx->buf[(local_ctx->count & (block_mask))] = data[i];	\
		++local_ctx->count;												\
		if (0 == (local_ctx->count & (block_mask)))						\
			compress_fn(local_ctx, local_ctx->buf);						\
	}																	\
}

#endif