From: Emden R. Gansner <erg@emdenrg.net>
Date: Sat, 13 Feb 2016 20:02:39 +0000 (-0500)
Subject: Free installed plugins in gvFreeContext
X-Git-Tag: TRAVIS_CI_BUILD_EXPERIMENTAL~38
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=37076a23bebed6655e5dfa53aa24786f175cc781;p=graphviz

Free installed plugins in gvFreeContext
---

diff --git a/ChangeLog b/ChangeLog
index 84435d0ab..aeb6582ff 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,6 @@
 February 13, 2016
 	- Add cylinder shape for databases.
+	- Free installed plugins
 September 9, 2014
 	- Add plain shape for use with HTML-like labels.
 August 12, 2014
diff --git a/lib/gvc/gvcontext.c b/lib/gvc/gvcontext.c
index 7600e14ae..1ef25ba73 100644
--- a/lib/gvc/gvcontext.c
+++ b/lib/gvc/gvcontext.c
@@ -75,6 +75,13 @@ int gvFreeContext(GVC_t * gvc)
 {
     GVG_t *gvg, *gvg_next;
     gvplugin_package_t *package, *package_next;
+    gvplugin_available_t *api, *api_next;
+
+#define ELEM(x) +1
+    /* See gvcext.h for APIS and gvcint.h for an example usage of "+1"
+       to get the number of APIs. */
+    unsigned int num_apis = APIS, i;
+#undef ELEM
 
     emit_once_reset();
     gvg_next = gvc->gvgs;
@@ -95,6 +102,12 @@ int gvFreeContext(GVC_t * gvc)
     if (gvc->input_filenames)
 	free(gvc->input_filenames);
     textfont_dict_close(gvc);
+    for (i = 0; i != num_apis; ++i) {
+	for (api = gvc->apis[i]; api != NULL; api = api_next) {
+	    api_next = api->next;
+	    free(api);
+	}
+    }
     free(gvc);
     return (graphviz_errors + agerrors());
 }