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Add guards to ptrdiff_t definition in include/stddef.h

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Back in 2011 obrien has added the #define macro in sys/sys/stddef.h to
guard ptrdiff_t. Add similar protection to the identical code in
include/stddef.h.

Submitted by:   Mariusz Zaborski <oshogbo@FreeBSD.org>
MFC after:      1 week
This commit is contained in:
Alexander Kabaev 2014-08-21 15:10:10 +00:00
parent 925fd94584
commit 7935fd6ef1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=270277
1 changed files with 3 additions and 0 deletions
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3
include/stddef.h
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@ -38,7 +38,10 @@
#include <sys/_null.h>
#include <sys/_types.h>
#ifndef _PTRDIFF_T_DECLARED
typedef __ptrdiff_t ptrdiff_t;
#define _PTRDIFF_T_DECLARED
#endif
#if __BSD_VISIBLE
#ifndef _RUNE_T_DECLARED