52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/*
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* Copyright (C) 2012-2014 Tobias Brunner
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup strerror_i strerror
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* @{ @ingroup utils_i
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*/
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#ifndef STRERROR_H_
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#define STRERROR_H_
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/**
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* Thread-safe wrapper around strerror and strerror_r.
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*
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* This is required because the first is not thread-safe (on some platforms)
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* and the second uses two different signatures (POSIX/GNU) and is impractical
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* to use anyway.
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*
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* @param errnum error code (i.e. errno)
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* @return error message
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*/
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const char *strerror_safe(int errnum);
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/**
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* Initialize strerror_safe()
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*/
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void strerror_init();
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/**
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* Deinitialize strerror_safe()
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*/
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void strerror_deinit();
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/**
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* Replace usages of strerror(3) with thread-safe variant.
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*/
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#define strerror(errnum) strerror_safe(errnum)
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#endif /** STRERROR_H_ @}*/
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