# HG changeset patch
# User Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
# Date 1672872582 18000
#      Wed Jan 04 17:49:42 2023 -0500
# Node ID 0988c0811f93133fbd07c2a2335edb3a5d962af2
# Parent  f197aa6834e4ac34340eeb7ff8e2bae6473399c1
Use ARRAY_LEN instead of sizeof to detect end of fixed tone pattern

The two are equivalent for uint8_t, but break if the type changes to
something larger.

Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>

diff --git a/main.c b/main.c
--- a/main.c
+++ b/main.c
@@ -179,7 +179,7 @@
 static inline uint8_t next_fixed_tone(uint8_t tone)
 {
 	tone++;
-	if (tone == sizeof(tones_fixed))
+	if (tone == ARRAY_LEN(tones_fixed))
 		tone = 0;
 
 	return tone;