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* [newlib-cygwin] Fix <sys/_types.h> issues with <stddef.h>
@ 2019-06-03 8:40 Corinna Vinschen
0 siblings, 0 replies; only message in thread
From: Corinna Vinschen @ 2019-06-03 8:40 UTC (permalink / raw)
To: newlib-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=f5a5a23ea8c73f9d2a2fdcb471883989f23f9e4b
commit f5a5a23ea8c73f9d2a2fdcb471883989f23f9e4b
Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Thu May 16 14:40:34 2019 +0200
Fix <sys/_types.h> issues with <stddef.h>
A commit from 2016 tried to address this GCC provided <stddef.h> issue
#if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \
|| defined(__DragonFly__) \
|| defined(__FreeBSD_kernel__)
/* __size_t is a typedef on FreeBSD 5, must not trash it. */
#elif defined (__VMS__)
/* __size_t is also a typedef on VMS. */
#else
#define __size_t
#endif
with an include of <stddef.h> before <sys/_types.h> in <sys/types.h>.
Is is not robust enough. Do the include of <stddef.h> in <sys/_types.h>
directly and request only the necessary types.
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
Diff:
---
newlib/libc/include/sys/_types.h | 6 +++---
newlib/libc/include/sys/types.h | 2 --
2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/newlib/libc/include/sys/_types.h b/newlib/libc/include/sys/_types.h
index 0ed56ed..017a0aa 100644
--- a/newlib/libc/include/sys/_types.h
+++ b/newlib/libc/include/sys/_types.h
@@ -19,6 +19,9 @@
#ifndef _SYS__TYPES_H
#define _SYS__TYPES_H
+#define __need_size_t
+#define __need_wint_t
+#include <stddef.h>
#include <newlib.h>
#include <sys/config.h>
#include <machine/_types.h>
@@ -154,9 +157,6 @@ typedef long _ssize_t;
typedef _ssize_t __ssize_t;
-#define __need_wint_t
-#include <stddef.h>
-
#ifndef __machine_mbstate_t_defined
/* Conversion state information. */
typedef struct
diff --git a/newlib/libc/include/sys/types.h b/newlib/libc/include/sys/types.h
index 19e3de6..4613ac8 100644
--- a/newlib/libc/include/sys/types.h
+++ b/newlib/libc/include/sys/types.h
@@ -42,8 +42,6 @@ typedef __intptr_t register_t;
#ifndef __need_inttypes
#define _SYS_TYPES_H
-/* <stddef.h> must be before <sys/_types.h> for __size_t considerations */
-#include <stddef.h>
#include <sys/_types.h>
#include <sys/_stdint.h>
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2019-06-03 8:40 [newlib-cygwin] Fix <sys/_types.h> issues with <stddef.h> Corinna Vinschen
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