drivers: Factor out std_gvar_samplerates{,_steps}().

[libsigrok.git] / src / std.c

diff --git a/src/std.c b/src/std.c
index c6ff4ccef96cc07d758b13f4936db374eb2631f2..e36b7ccc77910637dd0e0bbc484d3150e40b66a2 100644 (file)
--- a/src/std.c
+++ b/src/std.c
@@ -578,3 +578,26 @@ SR_PRIV GVariant *std_gvar_tuple_rational(const struct sr_rational *r, unsigned
 
        return g_variant_builder_end(&gvb);
 }
+
+static GVariant *samplerate_helper(const uint64_t samplerates[], unsigned int n, const char *str)
+{
+       GVariant *gvar;
+       GVariantBuilder gvb;
+
+       g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
+       gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
+                       n, sizeof(uint64_t));
+       g_variant_builder_add(&gvb, "{sv}", str, gvar);
+
+       return g_variant_builder_end(&gvb);
+}
+
+SR_PRIV GVariant *std_gvar_samplerates(const uint64_t samplerates[], unsigned int n)
+{
+       return samplerate_helper(samplerates, n, "samplerates");
+}
+
+SR_PRIV GVariant *std_gvar_samplerates_steps(const uint64_t samplerates[], unsigned int n)
+{
+       return samplerate_helper(samplerates, n, "samplerate-steps");
+}