From ba5d489352059246cc6201fc99b0be06b84918ab Mon Sep 17 00:00:00 2001
From: Intel A80486DX2-66 <larry.holst@disroot.org>
Date: Sat, 13 Jul 2024 22:39:36 +0300
Subject: [PATCH] template.c: simplify `file_length` calculation

---
 src/template.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/template.c b/src/template.c
index dde3ae4..b7fc4fa 100644
--- a/src/template.c
+++ b/src/template.c
@@ -181,14 +181,11 @@ main(void)
 	// 2. prepare variables
 	uint32_t buffer_size = PRODUCT,
 		file_length =
-			4 * 4   /* 4 strings of 4 characters */ +
-			5 * 4   /* 5 uint32_t values */         +
-			4 * 2   /* 4 uint16_t values */         +
-			PRODUCT /* sample data */
-
-			/* subtract Subchunk2 headers: */
-			- 4 /* a string of 4 characters */
-			- 4 /* a uint32_t value */,
+			/* file length without "RIFF" chunk */
+			3 * 4   /* 3 strings of 4 characters: "WAVE", "fmt ", "data" */ +
+			4 * 4   /* 4 uint32_t values */ +
+			4 * 2   /* 4 uint16_t values */ +
+			PRODUCT /* sample data */,
 		fmt_data_length = 16 /* <--
 		 * length of format data before this value
 		 * in the file format structure