From 2041f82bc4bc0b3882a708befd8d8367baabf3cc Mon Sep 17 00:00:00 2001
From: athomps <athomps@f3b2605a-c512-4ea7-a41b-209d697bcdaa>
Date: Thu, 14 Dec 2006 22:30:51 +0000
Subject: [PATCH] Increased MAXLINE and added overflow check in substitute()

git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@193 f3b2605a-c512-4ea7-a41b-209d697bcdaa
---
 src/input.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/input.cpp b/src/input.cpp
index 91d293f391..d374bfc881 100644
--- a/src/input.cpp
+++ b/src/input.cpp
@@ -46,7 +46,7 @@
 #undef AtomInclude
 #undef CommandInclude
 
-#define MAXLINE 1024
+#define MAXLINE 2048
 #define DELTA 4
 
 /* ---------------------------------------------------------------------- */
@@ -358,7 +358,15 @@ void Input::substitute(char *str, int flag)
 
       *ptr = '\0';
       strcpy(work,str);
+      if (strlen(work)+strlen(value) >= MAXLINE) {
+	sprintf(str,"Input line too long after variable substitution: %s %s",work,value);
+	error->one(str);
+      }
       strcat(work,value);
+      if (strlen(work)+strlen(beyond) >= MAXLINE) {
+	sprintf(str,"Input line too long after variable substitution: %s %s",work,beyond);
+	error->one(str);
+      }
       strcat(work,beyond);
       strcpy(str,work);
       ptr += strlen(value);