From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 27 Aug 2022 15:50:12 +0000 (-0700)
Subject: cgraph storeFileName: fix unchecked allocation failure
X-Git-Tag: 6.0.1~19^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2ff2dc62eaf455f08d010b4dd05c7d1f18e6831a;p=graphviz

cgraph storeFileName: fix unchecked allocation failure
---

diff --git a/lib/cgraph/scan.l b/lib/cgraph/scan.l
index db6b6be88..078f16711 100644
--- a/lib/cgraph/scan.l
+++ b/lib/cgraph/scan.l
@@ -28,6 +28,7 @@
 #include <cghdr.h>
 #include <agxbuf.h>
 #include <cgraph/agxbuf.h>
+#include <cgraph/alloc.h>
 #include <ctype.h>
 #include <stdbool.h>
 #include <stddef.h>
@@ -98,7 +99,7 @@ storeFileName (char* fname, int len)
     static char* buf;
 
     if (len > cnt) {
-	buf = realloc (buf, len+1);
+	buf = gv_realloc(buf, cnt + 1, len + 1);
 	cnt = len;
     }
     strcpy (buf, fname);