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/*
* Copyright (c) 2017 Richard Braun.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef _ERROR_H
#define _ERROR_H
enum {
ERROR_INVAL = 1,
ERROR_AGAIN,
ERROR_NOMEM,
ERROR_IO,
ERROR_BUSY,
ERROR_EXIST,
};
/*
* Return the message matching the given error.
*
* The returned address points to a statically allocated, read only,
* null-terminated string literal. The caller must not attempt to use it
* for anything else than error reporting.
*/
const char * error_str(unsigned int error);
/*
* If error denotes an actual error (i.e. is not 0), panic, using the given
* string as a prefix for the error message. A NULL prefix is allowed.
*/
void error_check(int error, const char *prefix);
#endif /* _ERROR_H */
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