src/loadso/windows/SDL_sysloadso.c
author Ethan Lee <flibitijibibo@flibitijibibo.com>
Wed, 17 Jul 2019 23:20:57 -0400
changeset 12950 05dddfb66b85
parent 12503 806492103856
permissions -rw-r--r--
Copypaste SDL_NSLog to UIKit backend, document it as such
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2019 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 
    32 void *
    33 SDL_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 
    57 void *
    58 SDL_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 
    70 void
    71 SDL_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: */