X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=formats%2Fregistry.c;h=a6fd74b2bc5d3432ba0dae10eb0784753607e411;hp=4f9dc244a3618451c54e0f4265563d0a7a0bc739;hb=0860ab483ea602b4ac8f60a7634b54c3923da1e6;hpb=4c8bfb7e0a9cef6e74cefa38ed54bf8cbd424183

diff --git a/formats/registry.c b/formats/registry.c
index 4f9dc244..a6fd74b2 100644
--- a/formats/registry.c
+++ b/formats/registry.c
@@ -19,6 +19,7 @@
 #include <babeltrace/format.h>
 #include <glib.h>
 #include <errno.h>
+#include <stdio.h>
 
 static int init_done;
 void __attribute__((constructor)) format_init(void);
@@ -39,6 +40,23 @@ struct format *bt_lookup_format(GQuark qname)
 				   (gconstpointer) (unsigned long) qname);
 }
 
+static void show_format(gpointer key, gpointer value, gpointer user_data)
+{
+	FILE *fp = user_data;
+
+	fprintf(fp, "format: %s\n",
+		g_quark_to_string((GQuark) (unsigned long) key));
+}
+
+void bt_fprintf_format_list(FILE *fp)
+{
+	fprintf(fp, "Formats available:\n");
+	if (!init_done)
+		return;
+	g_hash_table_foreach(format_registry, show_format, fp);
+	fprintf(fp, "End of formats available.\n");
+}
+
 int bt_register_format(struct format *format)
 {
 	if (!init_done)
@@ -55,6 +73,8 @@ int bt_register_format(struct format *format)
 
 void format_init(void)
 {
+	if (init_done)
+		return;
 	format_registry = g_hash_table_new(g_direct_hash, g_direct_equal);
 	assert(format_registry);
 	init_done = 1;