2013-12-28 20:53:12 -08:00
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/*
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* Copyright (C) 2013 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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2011-11-16 00:11:05 -08:00
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#ifndef _GUAC_ERROR_H
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#define _GUAC_ERROR_H
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/**
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* Provides functions and structures required for handling return values and
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* errors.
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*
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* @file error.h
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*/
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2014-04-09 15:43:09 -07:00
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#include "error-types.h"
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2011-11-16 00:11:05 -08:00
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/**
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2014-04-09 15:43:09 -07:00
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* Returns a human-readable explanation of the status code given.
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2011-11-16 00:11:05 -08:00
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*/
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2014-04-09 15:43:09 -07:00
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const char* guac_status_string(guac_status status);
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/**
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* Returns the status code associated with the error which occurred during the
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* last function call. This value will only be set by functions documented to
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* use it (most libguac functions), and is undefined if no error occurred.
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*
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* The storage of this value is thread-local. Assignment of a status code to
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* guac_error in one thread will not affect its value in another thread.
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*/
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#define guac_error (*__guac_error())
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guac_status* __guac_error();
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/**
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* Returns a message describing the error which occurred during the last
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* function call. If an error occurred, but no message is associated with it,
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* NULL is returned. This value is undefined if no error occurred.
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*
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* The storage of this value is thread-local. Assignment of a message to
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* guac_error_message in one thread will not affect its value in another
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* thread.
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*/
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#define guac_error_message (*__guac_error_message())
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const char** __guac_error_message();
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2011-11-16 00:11:05 -08:00
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/**
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* Returns a human-readable explanation of the status code given.
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*/
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2011-11-16 15:11:48 -08:00
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const char* guac_status_string(guac_status status);
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2011-11-16 00:11:05 -08:00
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2011-11-21 01:37:16 -08:00
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/**
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* Returns the status code associated with the error which occurred during the
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* last function call. This value will only be set by functions documented to
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* use it (most libguac functions), and is undefined if no error occurred.
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*
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* The storage of this value is thread-local. Assignment of a status code to
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* guac_error in one thread will not affect its value in another thread.
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*/
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2011-11-20 22:59:34 -08:00
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#define guac_error (*__guac_error())
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guac_status* __guac_error();
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2011-11-27 15:57:43 -08:00
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/**
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* Returns a message describing the error which occurred during the last
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* function call. If an error occurred, but no message is associated with it,
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* NULL is returned. This value is undefined if no error occurred.
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*
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* The storage of this value is thread-local. Assignment of a message to
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* guac_error_message in one thread will not affect its value in another
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* thread.
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*/
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#define guac_error_message (*__guac_error_message())
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const char** __guac_error_message();
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2011-11-16 00:11:05 -08:00
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#endif
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2014-04-09 15:43:09 -07:00
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