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Add __wur to GNU version of strerror_r.

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Not using the result of the GNU strerror_r() is always a mistake.

Moreover this would generate warning if XSI version was expected but GNU
version was used instead (because some random used header defined
_GNU_SOURCE which was Python.h in this case).
This commit is contained in:
Cyril Hrubis 2012-06-15 09:09:05 +02:00 committed by Andreas Jaeger
parent 49bdf4c19d
commit a3aeac403e
2 changed files with 6 additions and 3 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2012-06-15 Cyril Hrubis <metan@ucw.cz>
* string/string.h: Add __wur to GNU version of strerror_r.
2012-06-14 H.J. Lu <hongjiu.lu@intel.com>
[BZ #14229]

5
string/string.h
View File

@ -1,5 +1,4 @@
/* Copyright (C) 1991-1993,1995-2004,2007,2009,2010,2012
Free Software Foundation, Inc.
/* Copyright (C) 1991-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -433,7 +432,7 @@ extern int __xpg_strerror_r (int __errnum, char *__buf, size_t __buflen)
/* If a temporary buffer is required, at most BUFLEN bytes of BUF will be
used. */
extern char *strerror_r (int __errnum, char *__buf, size_t __buflen)
__THROW __nonnull ((2));
__THROW __nonnull ((2)) __wur;
# endif
#endif