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/**
* slibc — Yet another C library
* Copyright © 2015 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
/**
* Return a textual representation of an error code.
* This error code must from `errno`.
*
* This implementation of `strerror` cannot fail. however
* POSIX specifies that it can fail, any may only set `errno`
* if it does fail. You should therefore, set `errno` to
* zero before calling this function, and inspect `errno`
* when it returns, as there is no reserved return value
* that indicates and error.
*
* The returned value must not be modified or freed.
*
* As a slibc-specific modification, this function is MT-Safe.
*
* @param errnum The error code.
* @return A description of the error.
*/
char* strerror(int errnum)
{
return strerror_l(errnum, 0 /* TODO CURRENT_LOCALE, not defined */);
}
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