From 8222bfe56d4dabe8d92fc4b25ea1b0163b16f3e1 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 4 May 2024 16:51:29 -0700 Subject: Initial commit. --- src/contrib/SDL-2.30.2/include/SDL_error.h | 163 +++++++++++++++++++++++++++++ 1 file changed, 163 insertions(+) create mode 100644 src/contrib/SDL-2.30.2/include/SDL_error.h (limited to 'src/contrib/SDL-2.30.2/include/SDL_error.h') diff --git a/src/contrib/SDL-2.30.2/include/SDL_error.h b/src/contrib/SDL-2.30.2/include/SDL_error.h new file mode 100644 index 0000000..2df6463 --- /dev/null +++ b/src/contrib/SDL-2.30.2/include/SDL_error.h @@ -0,0 +1,163 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2024 Sam Lantinga + + 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. +*/ + +/** + * \file SDL_error.h + * + * Simple error message routines for SDL. + */ + +#ifndef SDL_error_h_ +#define SDL_error_h_ + +#include "SDL_stdinc.h" + +#include "begin_code.h" +/* Set up for C function definitions, even when using C++ */ +#ifdef __cplusplus +extern "C" { +#endif + +/* Public functions */ + + +/** + * Set the SDL error message for the current thread. + * + * Calling this function will replace any previous error message that was set. + * + * This function always returns -1, since SDL frequently uses -1 to signify an + * failing result, leading to this idiom: + * + * ```c + * if (error_code) { + * return SDL_SetError("This operation has failed: %d", error_code); + * } + * ``` + * + * \param fmt a printf()-style message format string + * \param ... additional parameters matching % tokens in the `fmt` string, if + * any + * \returns always -1. + * + * \since This function is available since SDL 2.0.0. + * + * \sa SDL_ClearError + * \sa SDL_GetError + */ +extern DECLSPEC int SDLCALL SDL_SetError(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(1); + +/** + * Retrieve a message about the last error that occurred on the current + * thread. + * + * It is possible for multiple errors to occur before calling SDL_GetError(). + * Only the last error is returned. + * + * The message is only applicable when an SDL function has signaled an error. + * You must check the return values of SDL function calls to determine when to + * appropriately call SDL_GetError(). You should *not* use the results of + * SDL_GetError() to decide if an error has occurred! Sometimes SDL will set + * an error string even when reporting success. + * + * SDL will *not* clear the error string for successful API calls. You *must* + * check return values for failure cases before you can assume the error + * string applies. + * + * Error strings are set per-thread, so an error set in a different thread + * will not interfere with the current thread's operation. + * + * The returned string is internally allocated and must not be freed by the + * application. + * + * \returns a message with information about the specific error that occurred, + * or an empty string if there hasn't been an error message set since + * the last call to SDL_ClearError(). The message is only applicable + * when an SDL function has signaled an error. You must check the + * return values of SDL function calls to determine when to + * appropriately call SDL_GetError(). + * + * \since This function is available since SDL 2.0.0. + * + * \sa SDL_ClearError + * \sa SDL_SetError + */ +extern DECLSPEC const char *SDLCALL SDL_GetError(void); + +/** + * Get the last error message that was set for the current thread. + * + * This allows the caller to copy the error string into a provided buffer, but + * otherwise operates exactly the same as SDL_GetError(). + * + * \param errstr A buffer to fill with the last error message that was set for + * the current thread + * \param maxlen The size of the buffer pointed to by the errstr parameter + * \returns the pointer passed in as the `errstr` parameter. + * + * \since This function is available since SDL 2.0.14. + * + * \sa SDL_GetError + */ +extern DECLSPEC char * SDLCALL SDL_GetErrorMsg(char *errstr, int maxlen); + +/** + * Clear any previous error message for this thread. + * + * \since This function is available since SDL 2.0.0. + * + * \sa SDL_GetError + * \sa SDL_SetError + */ +extern DECLSPEC void SDLCALL SDL_ClearError(void); + +/** + * \name Internal error functions + * + * \internal + * Private error reporting function - used internally. + */ +/* @{ */ +#define SDL_OutOfMemory() SDL_Error(SDL_ENOMEM) +#define SDL_Unsupported() SDL_Error(SDL_UNSUPPORTED) +#define SDL_InvalidParamError(param) SDL_SetError("Parameter '%s' is invalid", (param)) +typedef enum +{ + SDL_ENOMEM, + SDL_EFREAD, + SDL_EFWRITE, + SDL_EFSEEK, + SDL_UNSUPPORTED, + SDL_LASTERROR +} SDL_errorcode; +/* SDL_Error() unconditionally returns -1. */ +extern DECLSPEC int SDLCALL SDL_Error(SDL_errorcode code); +/* @} *//* Internal error functions */ + +/* Ends C function definitions when using C++ */ +#ifdef __cplusplus +} +#endif +#include "close_code.h" + +#endif /* SDL_error_h_ */ + +/* vi: set ts=4 sw=4 expandtab: */ -- cgit v1.2.3