0004-alsaloop-use-ATTRIBUTE_UNUSED-instead-remove-argumen.patch

From 7552aef6e08b5b1fd8c1704e21cb9f6f15017bfa Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Mon, 4 Sep 2023 16:45:09 +0200
Subject: [PATCH] alsaloop: use ATTRIBUTE_UNUSED instead remove argument name

We need to support older compilers than GCC 11.

Link: https://github.com/alsa-project/alsa-utils/issues/233
Fixes: d609a58 ("alsaloop: fix the verbose compilation warnings for latest gcc")
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

Upstream: https://github.com/alsa-project/alsa-utils/commit/7552aef6e08b5b1fd8c1704e21cb9f6f15017bfa

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
---
 alsaloop/alsaloop.c | 2 +-
 alsaloop/pcmjob.c   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/alsaloop/alsaloop.c b/alsaloop/alsaloop.c
index b10733e..51fb646 100644
--- a/alsaloop/alsaloop.c
+++ b/alsaloop/alsaloop.c
@@ -821,7 +821,7 @@ static void send_to_all(int sig)
 	}
 }
 
-static void signal_handler(int)
+static void signal_handler(int sig ATTRIBUTE_UNUSED)
 {
 	quit = 1;
 	send_to_all(SIGUSR2);
diff --git a/alsaloop/pcmjob.c b/alsaloop/pcmjob.c
index be71971..ffb439b 100644
--- a/alsaloop/pcmjob.c
+++ b/alsaloop/pcmjob.c
@@ -625,7 +625,7 @@ static void buf_add_src(struct loopback *loop)
 	}
 }
 #else
-static void buf_add_src(struct loopback *)
+static void buf_add_src(struct loopback *loop ATTRIBUTE_UNUSED)
 {
 }
 #endif
@@ -1794,7 +1794,7 @@ static int ctl_event_check(snd_ctl_elem_value_t *val, snd_ctl_event_t *ev)
 }
 
 static int handle_ctl_events(struct loopback_handle *lhandle,
-			     unsigned short)
+			     unsigned short events ATTRIBUTE_UNUSED)
 {
 	struct loopback *loop = lhandle->loopback;
 	snd_ctl_event_t *ev;
-- 
2.39.2