X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=dccp_send.c;h=94719f0443c2081842c14e6e153262e551e2903c;hp=d2f81dd9168023df27a1fefdb883e3234382c1cc;hb=e9e826f4fb415c4225ff5934fe42572ffa3b5ebc;hpb=fb62100d23baea388cec78e572b0f36d051a61c0

diff --git a/dccp_send.c b/dccp_send.c
index d2f81dd9..94719f04 100644
--- a/dccp_send.c
+++ b/dccp_send.c
@@ -104,9 +104,33 @@ static int dccp_com_allow(struct sender_command_data *scd)
 	return 1;
 }
 
+/**
+ * Return list of available CCIDs or warning, in static buffer.
+ */
+static const char *dccp_list_available_ccids(void)
+{
+	uint8_t ccids[DCCP_MAX_HOST_CCIDS];
+	uint8_t nccids = sizeof(ccids), i, len;
+	/* Worst case length: n * 3 digits + n-1 spaces + '\0' */
+	static char list[DCCP_MAX_HOST_CCIDS * 4];
+
+	if (dccp_available_ccids(ccids, &nccids) == NULL) {
+		snprintf(list, sizeof(list), "Unable to query available CCIDs");
+	} else {
+		for (i = len = 0; i < nccids; i++)
+			len += snprintf(list + len, sizeof(list) - len,
+					"%s%d", i ? " " : "", ccids[i]);
+	}
+	return list;
+}
+
 static char *dccp_info(void)
 {
-	return get_sender_info(dss, "dccp");
+	char *info = get_sender_info(dss, "dccp");
+	char *ret  = make_message("%s" "\tsupported ccids: %s\n",
+				  info, dccp_list_available_ccids());
+	free(info);
+	return ret;
 }
 
 /**