Mercurial > sdl-ios-xcode
diff test/testloadso.c @ 2067:dcdb175c2829
Merged r2899:2900 from SDL-1.2 branch to trunk: testloadso program.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Tue, 07 Nov 2006 14:36:47 +0000 |
parents | |
children | f16a7d02a176 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/testloadso.c Tue Nov 07 14:36:47 2006 +0000 @@ -0,0 +1,70 @@ + +/* Test program to test dynamic loading with the loadso subsystem. +*/ + +#include <stdio.h> +#include <stdlib.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) { + fprintf(stderr, "USAGE: %s <library> <functionname>\n"); + fprintf(stderr, " %s --hello <library with puts()>\n"); + return 1; + } + + /* Initialize SDL */ + if ( SDL_Init(0) < 0 ) { + fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); + return 2; + } + + if (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) { + fprintf(stderr, "SDL_LoadObject('%s') failed: %s\n", + libname, SDL_GetError()); + retval = 3; + } else { + fn = (fntype) SDL_LoadFunction(lib, symname); + if (fn == NULL) { + fprintf(stderr, "SDL_LoadFunction('%s') failed: %s\n", + symname, SDL_GetError()); + retval = 4; + } else { + printf("Found %s in %s at %p\n", symname, libname); + if (hello) { + printf("Calling function...\n"); + fflush(stdout); + fn(" HELLO, WORLD!\n"); + printf("...apparently, we survived. :)\n"); + printf("Unloading library...\n"); + fflush(stdout); + } + } + SDL_UnloadObject(lib); + } + SDL_Quit(); + return(0); +} + +