From: Eric S. Raymond <esr@thyrsus,com>
Date: Fri, 30 Jan 2004 21:53:12 +0000 (+0000)
Subject: Check for empty deck.
X-Git-Tag: 1.0~159
X-Git-Url: http://thyrsus.com/gitweb/?a=commitdiff_plain;h=aca219696406c57810348b57afff0c531ab98a8a;p=mad.git

Check for empty deck.
---

diff --git a/mad b/mad
index b316930..5b7aa74 100755
--- a/mad
+++ b/mad
@@ -676,6 +676,10 @@ if __name__ == '__main__':
         # Parse
         yacc.parse(source, debug=mad_debug)
 
+    if not deck:
+        sys.stderr.write("mad: empty deck\n")
+        sys.exit(1)
+
     # Perform global analysis
     analyze()