X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Foutput%2Fwav.c;h=e01f3afdea53bb9fc4dfdc7d3d71a934eea76268;hb=75cb428f9f5f11aaa42499e45679b12cc806b1ce;hp=9bf9843d18cd9333fbf01e26698a68c8f1b8da7d;hpb=950043c30ecd2a0d1d15a14f0d07f29b06157fc6;p=libsigrok.git

diff --git a/src/output/wav.c b/src/output/wav.c
index 9bf9843d..e01f3afd 100644
--- a/src/output/wav.c
+++ b/src/output/wav.c
@@ -91,28 +91,10 @@ static int init(struct sr_output *o, GHashTable *options)
 	struct out_context *outc;
 	struct sr_channel *ch;
 	GSList *l;
-	GHashTableIter iter;
-	gpointer key, value;
 
 	outc = g_malloc0(sizeof(struct out_context));
 	o->priv = outc;
-
-	outc->scale = 0.0;
-	if (options) {
-		g_hash_table_iter_init(&iter, options);
-		while (g_hash_table_iter_next(&iter, &key, &value)) {
-			if (!strcmp(key, "scale")) {
-				if (!g_variant_is_of_type(value, G_VARIANT_TYPE_DOUBLE)) {
-					sr_err("Invalid type for 'scale' option.");
-					return SR_ERR_ARG;
-				}
-				outc->scale = g_variant_get_double(value);
-			} else {
-				sr_err("Unknown option '%s'.", key);
-				return SR_ERR_ARG;
-			}
-		}
-	}
+	outc->scale = g_variant_get_double(g_hash_table_lookup(options, "scale"));
 
 	for (l = o->sdi->channels; l; l = l->next) {
 		ch = l->data;
@@ -247,6 +229,7 @@ static int check_chanbuf_size(const struct sr_output *o)
 
 	return size;
 }
+
 static int receive(const struct sr_output *o, const struct sr_datafeed_packet *packet,
 		GString **out)
 {
@@ -353,15 +336,13 @@ static int cleanup(struct sr_output *o)
 
 static struct sr_option options[] = {
 	{ "scale", "Scale", "Scale values by factor", NULL, NULL },
-	{ 0 }
+	ALL_ZERO
 };
 
-static struct sr_option *get_options(void)
+static const struct sr_option *get_options(void)
 {
-	if (!options[0].def) {
-		options[0].def = g_variant_new_double(0);
-		g_variant_ref_sink(options[0].def);
-	}
+	if (!options[0].def)
+		options[0].def = g_variant_ref_sink(g_variant_new_double(0.0));
 
 	return options;
 }