From: ellson <devnull@localhost>
Date: Tue, 8 Aug 2006 14:34:41 +0000 (+0000)
Subject: can't fflush() when using zlib compression.
X-Git-Tag: LAST_LIBGRAPH~32^2~5997
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d1476e2c474ac70bfc11802345a41be158dc7ac0;p=graphviz

can't fflush() when using zlib compression.
---

diff --git a/lib/common/emit.c b/lib/common/emit.c
index 39f141b13..0a9a6fd99 100644
--- a/lib/common/emit.c
+++ b/lib/common/emit.c
@@ -2527,7 +2527,7 @@ static void emit_job(GVJ_t * job, graph_t * g)
         emit_graph(job, g);
 
     /* Flush is necessary because we may be writing to a pipe. */
-    if (! job->external_surface && job->output_lang != TK)
+    if (job->output_file && ! job->external_surface && job->output_lang != TK)
         fflush(job->output_file);
 }
 
diff --git a/plugin/core/gvrender_core.c b/plugin/core/gvrender_core.c
index 2494ab865..796e5a243 100644
--- a/plugin/core/gvrender_core.c
+++ b/plugin/core/gvrender_core.c
@@ -75,6 +75,7 @@ void core_fini_compression(GVJ_t *job)
     case COMPRESSION_ZLIB:
 #ifdef HAVE_LIBZ
         gzclose((gzFile *) (job->output_file));
+	job->output_file = NULL;
         break;
 #else
         (job->common->errorfn) ("No libz support\n");