nusb/audio: fix %.*s format usage

2019-02-25 03:41:10 +01:00 · 2019-02-25 03:41:10 +01:00 · a37402be19
parent 5ec91a6413
commit a37402be19
1 changed files with 2 additions and 1 deletions
--- a/sys/src/cmd/nusb/audio/audio.c
+++ b/sys/src/cmd/nusb/audio/audio.c
@ -122,7 +122,8 @@ fswrite(Req *r)
 	char msg[256], *f[4];
 	int nf, speed;

-	snprint(msg, sizeof(msg), "%.*s", r->ifcall.count, r->ifcall.data);
+	snprint(msg, sizeof(msg), "%.*s",
+		utfnlen((char*)r->ifcall.data, r->ifcall.count), (char*)r->ifcall.data);
 	nf = tokenize(msg, f, nelem(f));
 	if(nf < 2){
 		respond(r, "invalid ctl message");