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      1 /*
      2   Simple DirectMedia Layer
      3   Copyright (C) 1997-2014 Sam Lantinga <slouken (at) libsdl.org>
      4 
      5   This software is provided 'as-is', without any express or implied
      6   warranty.  In no event will the authors be held liable for any damages
      7   arising from the use of this software.
      8 
      9   Permission is granted to anyone to use this software for any purpose,
     10   including commercial applications, and to alter it and redistribute it
     11   freely, subject to the following restrictions:
     12 
     13   1. The origin of this software must not be misrepresented; you must not
     14      claim that you wrote the original software. If you use this software
     15      in a product, an acknowledgment in the product documentation would be
     16      appreciated but is not required.
     17   2. Altered source versions must be plainly marked as such, and must not be
     18      misrepresented as being the original software.
     19   3. This notice may not be removed or altered from any source distribution.
     20 */
     21 
     22 /**
     23  *  \file SDL_error.h
     24  *
     25  *  Simple error message routines for SDL.
     26  */
     27 
     28 #ifndef _SDL_error_h
     29 #define _SDL_error_h
     30 
     31 #include "SDL_stdinc.h"
     32 
     33 #include "begin_code.h"
     34 /* Set up for C function definitions, even when using C++ */
     35 #ifdef __cplusplus
     36 extern "C" {
     37 #endif
     38 
     39 /* Public functions */
     40 /* SDL_SetError() unconditionally returns -1. */
     41 extern DECLSPEC int SDLCALL SDL_SetError(const char *fmt, ...);
     42 extern DECLSPEC const char *SDLCALL SDL_GetError(void);
     43 extern DECLSPEC void SDLCALL SDL_ClearError(void);
     44 
     45 /**
     46  *  \name Internal error functions
     47  *
     48  *  \internal
     49  *  Private error reporting function - used internally.
     50  */
     51 /* @{ */
     52 #define SDL_OutOfMemory()   SDL_Error(SDL_ENOMEM)
     53 #define SDL_Unsupported()   SDL_Error(SDL_UNSUPPORTED)
     54 #define SDL_InvalidParamError(param)    SDL_SetError("Parameter '%s' is invalid", (param))
     55 typedef enum
     56 {
     57     SDL_ENOMEM,
     58     SDL_EFREAD,
     59     SDL_EFWRITE,
     60     SDL_EFSEEK,
     61     SDL_UNSUPPORTED,
     62     SDL_LASTERROR
     63 } SDL_errorcode;
     64 /* SDL_Error() unconditionally returns -1. */
     65 extern DECLSPEC int SDLCALL SDL_Error(SDL_errorcode code);
     66 /* @} *//* Internal error functions */
     67 
     68 /* Ends C function definitions when using C++ */
     69 #ifdef __cplusplus
     70 }
     71 #endif
     72 #include "close_code.h"
     73 
     74 #endif /* _SDL_error_h */
     75 
     76 /* vi: set ts=4 sw=4 expandtab: */
     77