X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=session.c;h=84c38a6a05174cd559d35fe89cc41563d5b1a88e;hp=109ede10516251c8079d40ce67575532013867f4;hb=6b85745afe65ebd2722921bf23e91fa4573f4302;hpb=fe9d91a88a8896ef04d12682720943b237c0a295

diff --git a/session.c b/session.c
index 109ede1..84c38a6 100644
--- a/session.c
+++ b/session.c
@@ -21,6 +21,7 @@
 #include "libsigrokdecode.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */
 #include "libsigrokdecode-internal.h"
 #include "config.h"
+#include <inttypes.h>
 #include <glib.h>
 
 /**
@@ -170,10 +171,27 @@ SRD_API int srd_session_metadata_set(struct srd_session *sess, int key,
 		return SRD_ERR_ARG;
 	}
 
+	if (!key) {
+		srd_err("Invalid key.");
+		return SRD_ERR_ARG;
+	}
+
+	if (!data) {
+		srd_err("Invalid value.");
+		return SRD_ERR_ARG;
+	}
+
+	/* Hardcoded to samplerate/uint64 for now. */
+
 	if (key != SRD_CONF_SAMPLERATE) {
 		srd_err("Unknown config key %d.", key);
 		return SRD_ERR_ARG;
 	}
+	if (!g_variant_is_of_type(data, G_VARIANT_TYPE_UINT64)) {
+		srd_err("Invalid value type: expected uint64, got %s",
+				g_variant_get_type_string(data));
+		return SRD_ERR_ARG;
+	}
 
 	srd_dbg("Setting session %d samplerate to %"PRIu64".",
 			sess->session_id, g_variant_get_uint64(data));