X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=decoder.c;h=a44a86a094ddfc6fa8b615aa3724e3b404e1bd13;hb=aa6506b86e43d332f839ac1d6e0361ef36e9de75;hp=f31202b1937ef5690dae41d8f7e18f713c171c9b;hpb=6a15597a7b3f901b566b7bfc8c484a14e0fb6a11;p=libsigrokdecode.git

diff --git a/decoder.c b/decoder.c
index f31202b..a44a86a 100644
--- a/decoder.c
+++ b/decoder.c
@@ -40,19 +40,29 @@
 /** @cond PRIVATE */
 
 /* The list of protocol decoders. */
-SRD_PRIV GSList *pd_list = NULL;
+static GSList *pd_list = NULL;
 
 /* srd.c */
 extern GSList *searchpaths;
 
 /* session.c */
 extern GSList *sessions;
+extern int max_session_id;
 
 /* module_sigrokdecode.c */
 extern SRD_PRIV PyObject *mod_sigrokdecode;
 
 /** @endcond */
 
+static gboolean srd_check_init(void)
+{
+	if (max_session_id < 0) {
+		srd_err("Library is not initialized.");
+		return FALSE;
+	} else
+		return TRUE;
+}
+
 /**
  * Returns the list of supported/loaded protocol decoders.
  *
@@ -60,7 +70,7 @@ extern SRD_PRIV PyObject *mod_sigrokdecode;
  *
  * @return List of decoders, NULL if none are supported or loaded.
  *
- * @since 0.1.0 (but the API changed in 0.2.0)
+ * @since 0.2.0
  */
 SRD_API const GSList *srd_decoder_list(void)
 {