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Fix stdlib.h rand_r namespace (bug 20074).

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stdlib.h declares rand_r if __USE_POSIX; i.e., POSIX.1:1990.  But
rand_r was added along with threads, so the condition should be
__USE_POSIX199506.  This patch corrects the condition.

Tested for x86_64 and x86 (testsuite, and that installed stripped
shared libraries are unchanged by the patch).

	[BZ #20074]
	* stdlib/stdlib.h (rand_r): Declare if [__USE_POSIX199506], not if
	[__USE_POSIX].
	* conform/Makefile (test-xfail-XPG4/stdlib.h/conform): Remove
	variable.
This commit is contained in:
Joseph Myers
2016-05-17 15:48:29 +00:00
parent 4242d9683f
commit b098852ac2
3 changed files with 7 additions and 2 deletions
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2
stdlib/stdlib.h
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@ -337,7 +337,7 @@ extern int rand (void) __THROW;
extern void srand (unsigned int __seed) __THROW;
__END_NAMESPACE_STD
#ifdef __USE_POSIX
#ifdef __USE_POSIX199506
/* Reentrant interface according to POSIX.1. */
extern int rand_r (unsigned int *__seed) __THROW;
#endif