update,

mercury25/task1/provided/rbuoy_hash_block.c

@@ -0,0 +1,23 @@
+// Given up to BLOCK_SIZE (256) bytes, produce the
+// hash of that block. You should not modify this file,
+// and should not attempt to compile it as part of your
+// solution.
+
+// You can run this program yourself using
+// 1521 rbuoy-hash-block - for example,
+// 1521 rbuoy-hash-block < examples/aaa/emojis.txt
+
+#include "rbuoy.h"
+#include <stdio.h>
+
+int main(void) {
+	char buf[BLOCK_SIZE];
+	// Read in up to BLOCK_SIZE bytes from stdin
+	size_t bytes_read = fread(buf, 1, BLOCK_SIZE, stdin);
+	// It's important that we pass in the number of bytes read
+	// to hash_block - not BLOCK_SIZE - since it's possible that
+	// we reach the end of file/user input before filling up
+	// the buffer.
+	printf("%016lx\n", hash_block(buf, bytes_read));
+	return 0;
+}