buildroot/package/alsa-utils/0002-axfer-use-ATTRIBUTE_UNUSED-instead-remove-argument-n.patch

From a90faa2dd644af585d6a00f0aaf297c15ea0aa7b Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Mon, 4 Sep 2023 16:33:47 +0200
Subject: [PATCH] axfer: 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: ad5a1c0 ("axfer: 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/a90faa2dd644af585d6a00f0aaf297c15ea0aa7b

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
---
 axfer/container-raw.c         | 14 +++++++-------
 axfer/mapper-single.c         |  6 +++---
 axfer/subcmd-list.c           |  2 +-
 axfer/subcmd-transfer.c       |  4 ++--
 axfer/waiter-poll.c           |  4 ++--
 axfer/waiter-select.c         |  4 ++--
 axfer/waiter.h                |  1 +
 axfer/xfer-libasound-irq-rw.c |  2 +-
 axfer/xfer-libasound.c        |  4 ++--
 axfer/xfer-options.c          |  3 ++-
 10 files changed, 23 insertions(+), 21 deletions(-)

diff --git a/axfer/container-raw.c b/axfer/container-raw.c
index 071f94c..1886045 100644
--- a/axfer/container-raw.c
+++ b/axfer/container-raw.c
@@ -13,10 +13,10 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
-static int raw_builder_pre_process(struct container_context *,
-				   snd_pcm_format_t *,
-				   unsigned int *,
-				   unsigned int *,
+static int raw_builder_pre_process(struct container_context *cntr ATTRIBUTE_UNUSED,
+				   snd_pcm_format_t *format ATTRIBUTE_UNUSED,
+				   unsigned int *samples_per_frame ATTRIBUTE_UNUSED,
+				   unsigned int *frames_per_second ATTRIBUTE_UNUSED,
 				   uint64_t *byte_count)
 {
 	*byte_count = UINT64_MAX;
@@ -25,9 +25,9 @@ static int raw_builder_pre_process(struct container_context *,
 }
 
 static int raw_parser_pre_process(struct container_context *cntr,
-				  snd_pcm_format_t *,
-				  unsigned int *,
-				  unsigned int *,
+				  snd_pcm_format_t *format ATTRIBUTE_UNUSED,
+				  unsigned int *samples_per_frame ATTRIBUTE_UNUSED,
+				  unsigned int *frames_per_second ATTRIBUTE_UNUSED,
 				  uint64_t *byte_count)
 {
 	struct stat buf = {0};
diff --git a/axfer/mapper-single.c b/axfer/mapper-single.c
index 13e7fc5..f669f7f 100644
--- a/axfer/mapper-single.c
+++ b/axfer/mapper-single.c
@@ -62,7 +62,7 @@ static void align_from_vector(void *frame_buf, unsigned int frame_count,
 
 static int single_pre_process(struct mapper_context *mapper,
 			      struct container_context *cntrs,
-			      unsigned int)
+			      unsigned int cntr_count ATTRIBUTE_UNUSED)
 {
 	struct single_state *state = mapper->private_data;
 	unsigned int bytes_per_buffer;
@@ -110,7 +110,7 @@ static int single_muxer_process_frames(struct mapper_context *mapper,
 				       void *frame_buf,
 				       unsigned int *frame_count,
 				       struct container_context *cntrs,
-				       unsigned int)
+				       unsigned int cntr_count ATTRIBUTE_UNUSED)
 {
 	struct single_state *state = mapper->private_data;
 	void *src;
@@ -141,7 +141,7 @@ static int single_demuxer_process_frames(struct mapper_context *mapper,
 					 void *frame_buf,
 					 unsigned int *frame_count,
 					 struct container_context *cntrs,
-					 unsigned int)
+					 unsigned int cntr_count ATTRIBUTE_UNUSED)
 {
 	struct single_state *state = mapper->private_data;
 	void *dst;
diff --git a/axfer/subcmd-list.c b/axfer/subcmd-list.c
index f9c8e0f..187e1d7 100644
--- a/axfer/subcmd-list.c
+++ b/axfer/subcmd-list.c
@@ -19,7 +19,7 @@ enum list_op {
 };
 
 static int dump_device(snd_ctl_t *handle, const char *id, const char *name,
-		       snd_pcm_stream_t, snd_pcm_info_t *info)
+		       snd_pcm_stream_t stream ATTRIBUTE_UNUSED, snd_pcm_info_t *info)
 {
 	unsigned int i, count;
 	int err;
diff --git a/axfer/subcmd-transfer.c b/axfer/subcmd-transfer.c
index b39fde8..8d63043 100644
--- a/axfer/subcmd-transfer.c
+++ b/axfer/subcmd-transfer.c
@@ -40,7 +40,7 @@ static void handle_unix_signal_for_finish(int sig)
 	ctx_ptr->interrupted = true;
 }
 
-static void handle_unix_signal_for_suspend(int)
+static void handle_unix_signal_for_suspend(int sig ATTRIBUTE_UNUSED)
 {
 	sigset_t curr, prev;
 	struct sigaction sa = {0};
@@ -439,7 +439,7 @@ static int context_process_frames(struct context *ctx,
 }
 
 static void context_post_process(struct context *ctx,
-				 uint64_t)
+				 uint64_t accumulated_frame_count ATTRIBUTE_UNUSED)
 {
 	uint64_t total_frame_count;
 	unsigned int i;
diff --git a/axfer/waiter-poll.c b/axfer/waiter-poll.c
index 31fab88..b81300c 100644
--- a/axfer/waiter-poll.c
+++ b/axfer/waiter-poll.c
@@ -13,7 +13,7 @@
 #include <errno.h>
 #include <poll.h>
 
-static int poll_prepare(struct waiter_context *)
+static int poll_prepare(struct waiter_context *waiter ATTRIBUTE_UNUSED)
 {
 	// Nothing to do because an instance of waiter has required data.
 	return 0;
@@ -30,7 +30,7 @@ static int poll_wait_event(struct waiter_context *waiter, int timeout_msec)
 	return err;
 }
 
-static void poll_release(struct waiter_context *)
+static void poll_release(struct waiter_context *waiter ATTRIBUTE_UNUSED)
 {
 	// Nothing to do because an instance of waiter has required data.
 	return;
diff --git a/axfer/waiter-select.c b/axfer/waiter-select.c
index 164c9c8..fe19776 100644
--- a/axfer/waiter-select.c
+++ b/axfer/waiter-select.c
@@ -34,7 +34,7 @@ struct select_state {
 	fd_set rfds_ex;
 };
 
-static int select_prepare(struct waiter_context *)
+static int select_prepare(struct waiter_context *waiter ATTRIBUTE_UNUSED)
 {
 	return 0;
 }
@@ -94,7 +94,7 @@ static int select_wait_event(struct waiter_context *waiter, int timeout_msec)
 	return err;
 }
 
-static void select_release(struct waiter_context *)
+static void select_release(struct waiter_context *waiter ATTRIBUTE_UNUSED)
 {
 	return;
 }
diff --git a/axfer/waiter.h b/axfer/waiter.h
index db18e33..0f4e9b9 100644
--- a/axfer/waiter.h
+++ b/axfer/waiter.h
@@ -9,6 +9,7 @@
 #ifndef __ALSA_UTILS_AXFER_WAITER__H_
 #define __ALSA_UTILS_AXFER_WAITER__H_
 
+#include <alsa/global.h>
 #include <poll.h>
 
 enum waiter_type {
diff --git a/axfer/xfer-libasound-irq-rw.c b/axfer/xfer-libasound-irq-rw.c
index b7f0645..45fb6d5 100644
--- a/axfer/xfer-libasound-irq-rw.c
+++ b/axfer/xfer-libasound-irq-rw.c
@@ -313,7 +313,7 @@ error:
 }
 
 static int w_process_frames_nonblocking(struct libasound_state *state,
-					snd_pcm_state_t,
+					snd_pcm_state_t pcm_state ATTRIBUTE_UNUSED,
 					unsigned int *frame_count,
 					struct mapper_context *mapper,
 					struct container_context *cntrs)
diff --git a/axfer/xfer-libasound.c b/axfer/xfer-libasound.c
index 9713533..36ee08d 100644
--- a/axfer/xfer-libasound.c
+++ b/axfer/xfer-libasound.c
@@ -60,7 +60,7 @@ static const struct option l_opts[] = {
 };
 
 static int xfer_libasound_init(struct xfer_context *xfer,
-			       snd_pcm_stream_t)
+			       snd_pcm_stream_t stream ATTRIBUTE_UNUSED)
 {
 	struct libasound_state *state = xfer->private_data;
 	int err;
@@ -887,7 +887,7 @@ static void xfer_libasound_destroy(struct xfer_context *xfer)
 	state->log = NULL;
 }
 
-static void xfer_libasound_help(struct xfer_context *)
+static void xfer_libasound_help(struct xfer_context *xfer ATTRIBUTE_UNUSED)
 {
 	printf(
 "      [BASICS]\n"
diff --git a/axfer/xfer-options.c b/axfer/xfer-options.c
index 974570c..e716ded 100644
--- a/axfer/xfer-options.c
+++ b/axfer/xfer-options.c
@@ -447,7 +447,8 @@ static int generate_path_with_suffix(struct xfer_context *xfer,
 
 static int generate_path_without_suffix(struct xfer_context *xfer,
 				        const char *template,
-					unsigned int index, const char *)
+					unsigned int index,
+					const char *suffix ATTRIBUTE_UNUSED)
 {
 	static const char *const single_format = "%s";
 	static const char *const multiple_format = "%s-%i";
-- 
2.39.2