mirror of
https://git.do.srb2.org/STJr/SRB2.git
synced 2024-11-22 12:31:32 +00:00
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/*
|
|
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
|
|
|
|
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.
|
|
*/
|
|
|
|
/* Test program to test dynamic loading with the loadso subsystem.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "SDL.h"
|
|
|
|
typedef int (*fntype)(const char *);
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int retval = 0;
|
|
int hello = 0;
|
|
const char *libname = NULL;
|
|
const char *symname = NULL;
|
|
void *lib = NULL;
|
|
fntype fn = NULL;
|
|
|
|
if (argc != 3) {
|
|
const char *app = argv[0];
|
|
SDL_Log("USAGE: %s <library> <functionname>\n", app);
|
|
SDL_Log(" %s --hello <lib with puts()>\n", app);
|
|
return 1;
|
|
}
|
|
|
|
/* Initialize SDL */
|
|
if (SDL_Init(0) < 0) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
|
|
return 2;
|
|
}
|
|
|
|
if (SDL_strcmp(argv[1], "--hello") == 0) {
|
|
hello = 1;
|
|
libname = argv[2];
|
|
symname = "puts";
|
|
} else {
|
|
libname = argv[1];
|
|
symname = argv[2];
|
|
}
|
|
|
|
lib = SDL_LoadObject(libname);
|
|
if (lib == NULL) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_LoadObject('%s') failed: %s\n",
|
|
libname, SDL_GetError());
|
|
retval = 3;
|
|
} else {
|
|
fn = (fntype)SDL_LoadFunction(lib, symname);
|
|
if (fn == NULL) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_LoadFunction('%s') failed: %s\n",
|
|
symname, SDL_GetError());
|
|
retval = 4;
|
|
} else {
|
|
SDL_Log("Found %s in %s at %p\n", symname, libname, fn);
|
|
if (hello) {
|
|
SDL_Log("Calling function...\n");
|
|
fn(" HELLO, WORLD!\n");
|
|
SDL_Log("...apparently, we survived. :)\n");
|
|
SDL_Log("Unloading library...\n");
|
|
}
|
|
}
|
|
SDL_UnloadObject(lib);
|
|
}
|
|
SDL_Quit();
|
|
return retval;
|
|
}
|