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100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2024 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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#ifdef SDL_PLATFORM_WIN32
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#include "../../core/windows/SDL_windows.h"
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/* Win32-specific SDL_RunApp(), which does most of the SDL_main work,
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based on SDL_windows_main.c, placed in the public domain by Sam Lantinga 4/13/98 */
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#include <shellapi.h> /* CommandLineToArgvW() */
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/* Pop up an out of memory message, returns to Windows */
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static int OutOfMemory(void)
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{
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SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Fatal Error", "Out of memory - aborting", NULL);
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return -1;
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}
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int MINGW32_FORCEALIGN SDL_RunApp(int _argc, char* _argv[], SDL_main_func mainFunction, void * reserved)
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{
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/* Gets the arguments with GetCommandLine, converts them to argc and argv
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and calls SDL_main */
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LPWSTR *argvw;
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char **argv;
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int i, argc, result;
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(void)_argc; (void)_argv; (void)reserved;
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argvw = CommandLineToArgvW(GetCommandLineW(), &argc);
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if (!argvw) {
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return OutOfMemory();
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}
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/* Note that we need to be careful about how we allocate/free memory here.
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* If the application calls SDL_SetMemoryFunctions(), we can't rely on
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* SDL_free() to use the same allocator after SDL_main() returns.
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*/
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/* Parse it into argv and argc */
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argv = (char **)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (argc + 1) * sizeof(*argv));
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if (!argv) {
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return OutOfMemory();
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}
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for (i = 0; i < argc; ++i) {
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const int utf8size = WideCharToMultiByte(CP_UTF8, 0, argvw[i], -1, NULL, 0, NULL, NULL);
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if (!utf8size) { // uhoh?
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SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Fatal Error", "Error processing command line arguments", NULL);
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return -1;
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}
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argv[i] = (char *)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, utf8size); // this size includes the null-terminator character.
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if (!argv[i]) {
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return OutOfMemory();
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}
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if (WideCharToMultiByte(CP_UTF8, 0, argvw[i], -1, argv[i], utf8size, NULL, NULL) == 0) { // failed? uhoh!
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SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Fatal Error", "Error processing command line arguments", NULL);
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return -1;
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}
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}
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argv[i] = NULL;
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LocalFree(argvw);
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SDL_SetMainReady();
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/* Run the application main() code */
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result = mainFunction(argc, argv);
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/* Free argv, to avoid memory leak */
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for (i = 0; i < argc; ++i) {
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HeapFree(GetProcessHeap(), 0, argv[i]);
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}
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HeapFree(GetProcessHeap(), 0, argv);
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return result;
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}
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#endif /* SDL_PLATFORM_WIN32 */
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