Mercurial > hg > batmud > maputils

changeset 1883:cb13335d85cf

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Add sanity check for size against the cropped block.
author Matti Hamalainen <ccr@tnsp.org>
date Sat, 04 Nov 2017 20:43:20 +0200
parents 6294c4ae82b2
children 32033f5c65e9
files mapsearch.c
diffstat 1 files changed, 8 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/mapsearch.c	Sat Nov 04 20:36:13 2017 +0200
+++ b/mapsearch.c	Sat Nov 04 20:43:20 2017 +0200
@@ -906,7 +906,7 @@
 
     mapMSG(2, "Parsed block size %d x %d\n", width, height);
 
-    // Do few basic checks for sanity
+    // Do basic checks for sanity
     if (width * height < 3)
     {
         *verr = "Search block pattern too small.";
@@ -936,6 +936,13 @@
             pattern->width, pattern->height);
     }
 
+    // Sanity checks against the cropped block
+    if (pattern->width * pattern->height < 3)
+    {
+        *verr = "Search block pattern too small.";
+        goto out;
+    }
+
     // Print the cropped block
     if (th_verbosityLevel >= 2)
     {