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SDL/src/SDL_error_c.h

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Fixed crash if initialization of EGL failed but was tried again later. The internal function SDL_EGL_LoadLibrary() did not delete and remove a mostly uninitialized data structure if loading the library first failed. A later try to use EGL then skipped initialization and assumed it was previously successful because the data structure now already existed. This led to at least one crash in the internal function SDL_EGL_ChooseConfig() because a NULL pointer was dereferenced to make a call to eglBindAPI().
2015-06-21 15:33:46 +00:00
/*
Simple DirectMedia Layer
Updated copyright to 2016
2016-01-02 18:10:34 +00:00
Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
Fixed crash if initialization of EGL failed but was tried again later. The internal function SDL_EGL_LoadLibrary() did not delete and remove a mostly uninitialized data structure if loading the library first failed. A later try to use EGL then skipped initialization and assumed it was previously successful because the data structure now already existed. This led to at least one crash in the internal function SDL_EGL_ChooseConfig() because a NULL pointer was dereferenced to make a call to eglBindAPI().
2015-06-21 15:33:46 +00:00
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "./SDL_internal.h"
/* This file defines a structure that carries language-independent
error messages
*/
#ifndef _SDL_error_c_h
#define _SDL_error_c_h
#define ERR_MAX_STRLEN 128
#define ERR_MAX_ARGS 5
typedef struct SDL_error
{
/* This is a numeric value corresponding to the current error */
int error;
/* This is a key used to index into a language hashtable containing
internationalized versions of the SDL error messages. If the key
is not in the hashtable, or no hashtable is available, the key is
used directly as an error message format string.
*/
char key[ERR_MAX_STRLEN];
/* These are the arguments for the error functions */
int argc;
union
{
void *value_ptr;
#if 0 /* What is a character anyway? (UNICODE issues) */
unsigned char value_c;
#endif
int value_i;
double value_f;
char buf[ERR_MAX_STRLEN];
} args[ERR_MAX_ARGS];
} SDL_error;
/* Defined in SDL_thread.c */
extern SDL_error *SDL_GetErrBuf(void);
#endif /* _SDL_error_c_h */
/* vi: set ts=4 sw=4 expandtab: */