cscg22-gearboy

CSCG 2022 Challenge 'Gearboy'
git clone https://git.sinitax.com/sinitax/cscg22-gearboy
Log | Files | Refs | sfeed.txt

SDL_sysloadso.c (2515B)

      1/*
      2  Simple DirectMedia Layer
      3  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
      4
      5  This software is provided 'as-is', without any express or implied
      6  warranty.  In no event will the authors be held liable for any damages
      7  arising from the use of this software.
      8
      9  Permission is granted to anyone to use this software for any purpose,
     10  including commercial applications, and to alter it and redistribute it
     11  freely, subject to the following restrictions:
     12
     13  1. The origin of this software must not be misrepresented; you must not
     14     claim that you wrote the original software. If you use this software
     15     in a product, an acknowledgment in the product documentation would be
     16     appreciated but is not required.
     17  2. Altered source versions must be plainly marked as such, and must not be
     18     misrepresented as being the original software.
     19  3. This notice may not be removed or altered from any source distribution.
     20*/
     21#include "../../SDL_internal.h"
     22
     23#ifdef SDL_LOADSO_WINDOWS
     24
     25/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
     26/* System dependent library loading routines                           */
     27
     28#include "../../core/windows/SDL_windows.h"
     29
     30#include "SDL_loadso.h"
     31
     32void *
     33SDL_LoadObject(const char *sofile)
     34{
     35    LPTSTR tstr = WIN_UTF8ToString(sofile);
     36#ifdef __WINRT__
     37    /* WinRT only publically supports LoadPackagedLibrary() for loading .dll
     38       files.  LoadLibrary() is a private API, and not available for apps
     39       (that can be published to MS' Windows Store.)
     40    */
     41    void *handle = (void *) LoadPackagedLibrary(tstr, 0);
     42#else
     43    void *handle = (void *) LoadLibrary(tstr);
     44#endif
     45    SDL_free(tstr);
     46
     47    /* Generate an error message if all loads failed */
     48    if (handle == NULL) {
     49        char errbuf[512];
     50        SDL_strlcpy(errbuf, "Failed loading ", SDL_arraysize(errbuf));
     51        SDL_strlcat(errbuf, sofile, SDL_arraysize(errbuf));
     52        WIN_SetError(errbuf);
     53    }
     54    return handle;
     55}
     56
     57void *
     58SDL_LoadFunction(void *handle, const char *name)
     59{
     60    void *symbol = (void *) GetProcAddress((HMODULE) handle, name);
     61    if (symbol == NULL) {
     62        char errbuf[512];
     63        SDL_strlcpy(errbuf, "Failed loading ", SDL_arraysize(errbuf));
     64        SDL_strlcat(errbuf, name, SDL_arraysize(errbuf));
     65        WIN_SetError(errbuf);
     66    }
     67    return symbol;
     68}
     69
     70void
     71SDL_UnloadObject(void *handle)
     72{
     73    if (handle != NULL) {
     74        FreeLibrary((HMODULE) handle);
     75    }
     76}
     77
     78#endif /* SDL_LOADSO_WINDOWS */
     79
     80/* vi: set ts=4 sw=4 expandtab: */