initial stable

1 files changed, 11 insertions, 2 deletions

diff --git a/src/main.c b/src/main.c
index 077085c..fec6d06 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,15 +1,24 @@
 #include "tag.h"
 #include "lib.h"
+#include <stdio.h>
 
 int main (int argc, char** argv) {
 
+	if (argc != 2) {
+		printf("usage: nbtvis file.nbt\n");
+		return 0;
+	}
+
 	stream_t stream = stream_open(argv[1], "rb");
 
 	tag_t tag;
-	tag_read(&tag, &stream, true);
+	if (tag_read(&tag, &stream, true) == false)
+		error_and_die("failed to read tag\n");
 
 	if (tag.type != TAG_COMPOUND)
-		error_and_die("root tag is not of type compound");
+		error_and_die("root tag is not of type compound\n");
+
+	tag_print(&tag);
 
 	stream_close(&stream);
 }