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  1. /*
  2.   Simple DirectMedia Layer
  3.   Copyright (C) 1997-2018 Sam Lantinga <slouken@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(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(1);
  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.