From e7c68cb60e037f3b9ff8e8162e5a809c4c649e44 Mon Sep 17 00:00:00 2001
From: Kamil Trzcinski <ayufan@ayufan.eu>
Date: Fri, 8 Apr 2022 23:09:24 +0200
Subject: [PATCH] Validate headers

---
 Makefile                | 3 +++
 device/hw/buffer_list.h | 9 +++++++--
 device/hw/links.c       | 2 +-
 device/hw/links.h       | 3 ++-
 4 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index 13b7f25..386679e 100644
--- a/Makefile
+++ b/Makefile
@@ -29,6 +29,9 @@ install: $(TARGET)
 clean:
 	rm -f .depend $(OBJS) $(OBJS:.o=.d) $(HTML_SRC) $(TARGET)
 
+headers:
+	find -name '*.h' | xargs -n1 gcc $(CFLAGS) -Wno-error -c -o /dev/null
+
 -include $(OBJS:.o=.d)
 
 %.o: %.c
diff --git a/device/hw/buffer_list.h b/device/hw/buffer_list.h
index 5d62746..ee6de95 100644
--- a/device/hw/buffer_list.h
+++ b/device/hw/buffer_list.h
@@ -1,10 +1,15 @@
 #pragma once
 
-#include "v4l2.h"
+#include <stdbool.h>
+#include <stdint.h>
+#include <linux/videodev2.h>
+
+typedef struct buffer_s buffer_t;
+typedef struct device_s device_t;
 
 typedef struct buffer_list_s {
   char *name;
-  struct device_s *device;
+  device_t *device;
   buffer_t **bufs;
   int nbufs;
   int type;
diff --git a/device/hw/links.c b/device/hw/links.c
index 9d0d750..5e4b578 100644
--- a/device/hw/links.c
+++ b/device/hw/links.c
@@ -1,7 +1,7 @@
+#include "device/hw/links.h"
 #include "device/hw/device.h"
 #include "device/hw/buffer.h"
 #include "device/hw/buffer_list.h"
-#include "device/hw/links.h"
 
 #define N_FDS 50
 #define QUEUE_ON_CAPTURE // seems to provide better latency
diff --git a/device/hw/links.h b/device/hw/links.h
index 360e6bd..dea7399 100644
--- a/device/hw/links.h
+++ b/device/hw/links.h
@@ -1,6 +1,7 @@
 #pragma once
 
-#include "v4l2.h"
+#include <stdint.h>
+#include <stdbool.h>
 
 #define LINKS_LOOP_INTERVAL 100