From e447090093a01fea0b27c4340fcb54bbf9ae3396 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Sun, 5 Sep 2021 19:04:21 +0200
Subject: error out when <*/types.h> isn't included in headers which need it

---
 src/init/types.h      | 2 ++
 src/kernel/types.h    | 2 ++
 src/shared/syscalls.h | 6 ++++--
 src/shared/vfs.h      | 7 ++++---
 4 files changed, 12 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/init/types.h b/src/init/types.h
index d06d171..2c56484 100644
--- a/src/init/types.h
+++ b/src/init/types.h
@@ -1,2 +1,4 @@
 #pragma once
+
+#define TYPES_INCLUDED
 typedef char* user_ptr;
diff --git a/src/kernel/types.h b/src/kernel/types.h
index eb12f08..891e644 100644
--- a/src/kernel/types.h
+++ b/src/kernel/types.h
@@ -1,3 +1,5 @@
 #pragma once
 #include <stdint.h>
+
+#define TYPES_INCLUDED
 typedef uintptr_t user_ptr;
diff --git a/src/shared/syscalls.h b/src/shared/syscalls.h
index 7a1acaf..0222f37 100644
--- a/src/shared/syscalls.h
+++ b/src/shared/syscalls.h
@@ -1,8 +1,10 @@
-// requires the user_ptr type from kernel/types.h or init/types.h
-
 #pragma once
 #include <stddef.h>
 
+#ifndef TYPES_INCLUDED
+#  error "please include <kernel/types.h> or <init/types.h> before this file"
+#endif
+
 typedef int handle_t;
 
 enum {
diff --git a/src/shared/vfs.h b/src/shared/vfs.h
index d88c424..730a288 100644
--- a/src/shared/vfs.h
+++ b/src/shared/vfs.h
@@ -1,8 +1,9 @@
-// requires the user_ptr type from kernel/types.h or init/types.h
-// TODO add some macro magic which prints an error when it isn't defined
-
 #pragma once
 
+#ifndef TYPES_INCLUDED
+#  error "please include <kernel/types.h> or <init/types.h> before this file"
+#endif
+
 enum vfs_op_types {
 	VFSOP_OPEN,
 	VFSOP_WRITE,
-- 
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