decoder_list: print decoder list with suffixes

Print the list of suffixes supported by each decoder, instead of
prining a list of all suffixes of all decoders with duplicates.

src/cmdline.c

@@ -47,13 +47,9 @@ static void version(void)
 	     "This is free software; see the source for copying conditions.  There is NO\n"
 	     "warranty; not even MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"
 	     "\n"
-	     "Supported formats:\n");
+	     "Supported decoders:\n");
 
 	decoder_plugin_init_all();
-	decoder_plugin_print_all_suffixes(stdout);
-
-	puts("\n"
-	     "Supported decoders:\n");
 	decoder_plugin_print_all_decoders(stdout);
 
 	puts("\n"

src/decoder_list.c

@@ -154,36 +154,25 @@ decoder_plugin_from_name(const char *name)
 	return NULL;
 }
 
-void decoder_plugin_print_all_suffixes(FILE * fp)
-{
-	const char *const*suffixes;
-
-	for (unsigned i = 0; i < num_decoder_plugins; ++i) {
-		const struct decoder_plugin *plugin = decoder_plugins[i];
-		if (!decoder_plugins_enabled[i])
-			continue;
-
-		suffixes = plugin->suffixes;
-		while (suffixes && *suffixes) {
-			fprintf(fp, "%s ", *suffixes);
-			suffixes++;
-		}
-	}
-	fprintf(fp, "\n");
-	fflush(fp);
-}
-
 void decoder_plugin_print_all_decoders(FILE * fp)
 {
 	for (unsigned i = 0; i < num_decoder_plugins; ++i) {
 		const struct decoder_plugin *plugin = decoder_plugins[i];
+		const char *const*suffixes;
+
 		if (!decoder_plugins_enabled[i])
 			continue;
 
-		fprintf(fp, "%s ", plugin->name);
+		fprintf(fp, "[%s]", plugin->name);
+
+		for (suffixes = plugin->suffixes;
+		     suffixes != NULL && *suffixes != NULL;
+		     ++suffixes) {
+			fprintf(fp, " %s", *suffixes);
 		}
+
 		fprintf(fp, "\n");
-	fflush(fp);
+	}
 }
 
 /**

src/decoder_list.h

@@ -34,8 +34,6 @@ decoder_plugin_from_mime_type(const char *mimeType, unsigned int next);
 const struct decoder_plugin *
 decoder_plugin_from_name(const char *name);
 
-void decoder_plugin_print_all_suffixes(FILE * fp);
-
 void decoder_plugin_print_all_decoders(FILE * fp);
 
 /* this is where we "load" all the "plugins" ;-) */