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https://github.com/Ryujinx/SDL.git
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24c86b5501
since the window system doesn't do it for us like other platforms. This prevents sticky keys and missed keys when going in and out of focus, for example Alt would appear to stick if switching away from an SDL app with Alt-Tab and had to be pressed again. CR: Sam
83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/*
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Copyright (C) 1997-2014 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.
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*/
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/* Test program to test dynamic loading with the loadso subsystem.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "SDL.h"
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typedef int (*fntype) (const char *);
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int
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main(int argc, char *argv[])
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{
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int retval = 0;
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int hello = 0;
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const char *libname = NULL;
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const char *symname = NULL;
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void *lib = NULL;
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fntype fn = NULL;
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if (argc != 3) {
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const char *app = argv[0];
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SDL_Log("USAGE: %s <library> <functionname>\n", app);
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SDL_Log(" %s --hello <lib with puts()>\n", app);
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return 1;
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}
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/* Initialize SDL */
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if (SDL_Init(0) < 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
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return 2;
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}
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if (strcmp(argv[1], "--hello") == 0) {
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hello = 1;
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libname = argv[2];
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symname = "puts";
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} else {
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libname = argv[1];
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symname = argv[2];
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}
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lib = SDL_LoadObject(libname);
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if (lib == NULL) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_LoadObject('%s') failed: %s\n",
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libname, SDL_GetError());
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retval = 3;
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} else {
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fn = (fntype) SDL_LoadFunction(lib, symname);
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if (fn == NULL) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_LoadFunction('%s') failed: %s\n",
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symname, SDL_GetError());
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retval = 4;
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} else {
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SDL_Log("Found %s in %s at %p\n", symname, libname, fn);
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if (hello) {
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SDL_Log("Calling function...\n");
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fflush(stdout);
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fn(" HELLO, WORLD!\n");
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SDL_Log("...apparently, we survived. :)\n");
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SDL_Log("Unloading library...\n");
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fflush(stdout);
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}
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}
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SDL_UnloadObject(lib);
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}
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SDL_Quit();
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return retval;
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}
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