From: Emden Gansner <erg@research.att.com>
Date: Wed, 6 Mar 2013 20:30:04 +0000 (-0500)
Subject: Fix bug in agmemread: subdisciplines need to last the life of the graph.
X-Git-Tag: LAST_LIBGRAPH~32^2~216
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8d248e4468ff73bc9a4a843514c83ed9e8fefaa0;p=graphviz

Fix bug in agmemread: subdisciplines need to last the life of the graph.
---

diff --git a/lib/cgraph/io.c b/lib/cgraph/io.c
index cb44e6c7f..d6033a08c 100644
--- a/lib/cgraph/io.c
+++ b/lib/cgraph/io.c
@@ -120,14 +120,14 @@ memiofread(void *chan, char *buf, int bufsize)
     return l;
 }
 
+static Agiodisc_t memIoDisc = {memiofread, 0, 0};
+
 Agraph_t *agmemread(const char *cp)
 {
     Agraph_t* g;
     rdr_t rdr;
     Agdisc_t disc;
-    Agiodisc_t memIoDisc;
 
-    memIoDisc.afread = memiofread;
     memIoDisc.putstr = AgIoDisc.putstr;
     memIoDisc.flush = AgIoDisc.flush;
     rdr.data = cp;