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authorJoseph Myers <joseph@codesourcery.com>2015-06-17 20:14:18 +0000
committerJoseph Myers <joseph@codesourcery.com>2015-06-17 20:14:18 +0000
commiteb1fae6a450b3cce5a75c1ed1a734520c56a6457 (patch)
tree9cfa82af5f55596737e54409cc328a4ee03c5396 /scripts
parent68f1ba4ba4b9cb4661ca3ed446d0967ca79c2a47 (diff)
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Fix getpass fflush_unlocked namespace (bug 18540).
The getpass function (XPG3 / XPG4 / UNIX98) calls fflush_unlocked (not
in any of those standards).  This patch fixes this by making
fflush_unlocked into a weak alias for __fflush_unlocked and calling
__fflush_unlocked from getpass.

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

	[BZ #18540]
	* libio/iofflush.c [!_IO_MTSAFE_IO] (__fflush_unlocked): Define as
	strong alias of _IO_fflush.  Use libc_hidden_def.
	* libio/iofflush_u.c (fflush_unlocked): Rename to
	__fflush_unlocked and define as weak alias of __fflush_unlocked.
	Use libc_hidden_weak.
	* include/stdio.h (__fflush_unlocked): Declare.  Use
	libc_hidden_proto.
	* misc/getpass.c (getpass): Call __fflush_unlocked instead of
	fflush_unlocked.
	* conform/Makefile (test-xfail-UNIX98/unistd.h/linknamespace):
	Remove variable.
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