From e4e9f2151fdb31200060dd397ce53d6f5a9179fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Love=20H=C3=B6rnquist=20=C3=85strand?= <lha@kth.se>
Date: Mon, 16 May 2005 08:52:36 +0000
Subject: [PATCH] catch buffer overrun and check allocation errors

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@15142 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/com_err/lex.l | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/com_err/lex.l b/lib/com_err/lex.l
index 921945cdf..f23ae5d7e 100644
--- a/lib/com_err/lex.l
+++ b/lib/com_err/lex.l
@@ -89,7 +89,7 @@ getstring(void)
     int i = 0;
     int c;
     int quote = 0;
-    while((c = input()) != EOF){
+    while(i < sizeof(x) - 1 && (c = input()) != EOF){
 	if(quote) {
 	    x[i++] = c;
 	    quote = 0;
@@ -110,6 +110,8 @@ getstring(void)
     }
     x[i] = '\0';
     yylval.string = strdup(x);
+    if (yylval.string)
+        err(1, "malloc");
     return STRING;
 }