X-Git-Url: https://harishankar.org/repos/?p=wordblah.git;a=blobdiff_plain;f=wordblah.c;fp=wordblah.c;h=db5c605c856864af50aad5455183d3e742665a90;hp=2dbc36664b9620f24c68935b6488d5c02c09f886;hb=45f36755d87b858fd2d22ae239fed24d3f4faae9;hpb=90048188dd2b930733606983377560e5a07c4884

diff --git a/wordblah.c b/wordblah.c
index 2dbc366..db5c605 100644
--- a/wordblah.c
+++ b/wordblah.c
@@ -340,6 +340,12 @@ void do_open_puzzle (const char *filename)
 	}
 
 	p = load_puzzle (filename);
+	if (p.grid_size == 0)
+	{
+		printf (INVALID_PUZZLE);
+		char ch = getchar ();
+		return;
+	}
 	
 	if (strcmp (p.hashed_master_password, "\0") != 0)
 	{