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https://github.com/pineappleEA/pineapple-src.git
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120 lines
3.1 KiB
C
Executable File
120 lines
3.1 KiB
C
Executable File
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "./SDL_internal.h"
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/* Simple error handling in SDL */
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#include "SDL_error.h"
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#include "SDL_error_c.h"
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#define SDL_ERRBUFIZE 1024
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int
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SDL_SetError(SDL_PRINTF_FORMAT_STRING const char *fmt, ...)
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{
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/* Ignore call if invalid format pointer was passed */
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if (fmt != NULL) {
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va_list ap;
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SDL_error *error = SDL_GetErrBuf();
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error->error = 1; /* mark error as valid */
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va_start(ap, fmt);
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SDL_vsnprintf(error->str, ERR_MAX_STRLEN, fmt, ap);
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va_end(ap);
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if (SDL_LogGetPriority(SDL_LOG_CATEGORY_ERROR) <= SDL_LOG_PRIORITY_DEBUG) {
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/* If we are in debug mode, print out the error message */
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SDL_LogDebug(SDL_LOG_CATEGORY_ERROR, "%s", error->str);
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}
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}
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return -1;
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}
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/* Available for backwards compatibility */
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const char *
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SDL_GetError(void)
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{
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const SDL_error *error = SDL_GetErrBuf();
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return error->error ? error->str : "";
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}
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void
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SDL_ClearError(void)
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{
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SDL_GetErrBuf()->error = 0;
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}
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/* Very common errors go here */
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int
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SDL_Error(SDL_errorcode code)
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{
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switch (code) {
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case SDL_ENOMEM:
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return SDL_SetError("Out of memory");
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case SDL_EFREAD:
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return SDL_SetError("Error reading from datastream");
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case SDL_EFWRITE:
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return SDL_SetError("Error writing to datastream");
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case SDL_EFSEEK:
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return SDL_SetError("Error seeking in datastream");
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case SDL_UNSUPPORTED:
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return SDL_SetError("That operation is not supported");
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default:
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return SDL_SetError("Unknown SDL error");
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}
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}
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#ifdef TEST_ERROR
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int
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main(int argc, char *argv[])
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{
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char buffer[BUFSIZ + 1];
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SDL_SetError("Hi there!");
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printf("Error 1: %s\n", SDL_GetError());
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SDL_ClearError();
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SDL_memset(buffer, '1', BUFSIZ);
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buffer[BUFSIZ] = 0;
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SDL_SetError("This is the error: %s (%f)", buffer, 1.0);
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printf("Error 2: %s\n", SDL_GetError());
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exit(0);
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}
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#endif
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char *
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SDL_GetErrorMsg(char *errstr, int maxlen)
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{
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const SDL_error *error = SDL_GetErrBuf();
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if (error->error) {
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SDL_strlcpy(errstr, error->str, maxlen);
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} else {
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*errstr = '\0';
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}
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return errstr;
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}
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/* vi: set ts=4 sw=4 expandtab: */
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