X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Finput%2Fchronovu_la8.c;h=6607f3a7e11fba56452223edfebf565bfc7bbce0;hb=54ee427df0d923c8e17f3dc8ee57552b6c5fd57b;hp=07d94a719de1aec68add953c832801c110b9f305;hpb=7102443a4adb1743c5a053deee8fd2a93670fc19;p=libsigrok.git

diff --git a/src/input/chronovu_la8.c b/src/input/chronovu_la8.c
index 07d94a71..6607f3a7 100644
--- a/src/input/chronovu_la8.c
+++ b/src/input/chronovu_la8.c
@@ -37,16 +37,23 @@ struct context {
 	uint64_t samplerate;
 };
 
-static int format_match(GHashTable *metadata)
+static int format_match(GHashTable *metadata, unsigned int *confidence)
 {
 	int size;
 
+	/*
+	 * In the absence of a reliable condition like magic strings,
+	 * we can only guess based on the file size. Since this is
+	 * rather weak a condition, signal "little confidence" and
+	 * optionally give precedence to better matches.
+	 */
 	size = GPOINTER_TO_INT(g_hash_table_lookup(metadata,
 			GINT_TO_POINTER(SR_INPUT_META_FILESIZE)));
-	if (size == CHRONOVU_LA8_FILESIZE)
-		return SR_OK;
+	if (size != CHRONOVU_LA8_FILESIZE)
+		return SR_ERR;
+	*confidence = 100;
 
-	return SR_ERR;
+	return SR_OK;
 }
 
 static int init(struct sr_input *in, GHashTable *options)