From 46a0b1ebca39d6bc6461d95ae9649dc73af24e9e Mon Sep 17 00:00:00 2001
From: giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>
Date: Wed, 21 Nov 2012 17:52:16 +0000
Subject: Fix crash when invoked (invalidly) with only one argument

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@1768 9d0c8265-081b-0410-96cb-a4ca84ce46f8
---
 analyzer/pnmpsnr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'analyzer')

diff --git a/analyzer/pnmpsnr.c b/analyzer/pnmpsnr.c
index c32f7d64..1160fff6 100644
--- a/analyzer/pnmpsnr.c
+++ b/analyzer/pnmpsnr.c
@@ -150,7 +150,7 @@ main (int argc, char **argv) {
     
     pnm_init(&argc, argv);
 
-    if (argc < 2) 
+    if (argc-1 < 2) 
         pm_error("Takes two arguments:  specifications of the two files.");
     else {
         filespec1 = argv[1];
-- 
cgit 1.4.1