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Merge commit 'dec0d4ec4153bf9fc2b78ae6c2df45b6ea8dde7a' as 'external/sdl/SDL'

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Green Sky
2023-07-25 22:27:55 +02:00
parent b38ea75e56 dec0d4ec41
commit b8e444eaa8
1663 changed files with 627495 additions and 0 deletions
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82
external/sdl/SDL/src/loadso/dlopen/SDL_sysloadso.c vendored Normal file
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/*
Simple DirectMedia Layer
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, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_internal.h"
#ifdef SDL_LOADSO_DLOPEN
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent library loading routines */
#include <stdio.h>
#include <dlfcn.h>
#ifdef SDL_VIDEO_DRIVER_UIKIT
#include "../../video/uikit/SDL_uikitvideo.h"
#endif
void *SDL_LoadObject(const char *sofile)
{
void *handle;
const char *loaderror;
#ifdef SDL_VIDEO_DRIVER_UIKIT
if (!UIKit_IsSystemVersionAtLeast(8.0)) {
SDL_SetError("SDL_LoadObject requires iOS 8+");
return NULL;
}
#endif
handle = dlopen(sofile, RTLD_NOW | RTLD_LOCAL);
loaderror = dlerror();
if (handle == NULL) {
SDL_SetError("Failed loading %s: %s", sofile, loaderror);
}
return handle;
}
SDL_FunctionPointer SDL_LoadFunction(void *handle, const char *name)
{
void *symbol = dlsym(handle, name);
if (symbol == NULL) {
/* prepend an underscore for platforms that need that. */
SDL_bool isstack;
size_t len = SDL_strlen(name) + 1;
char *_name = SDL_small_alloc(char, len + 1, &isstack);
_name[0] = '_';
SDL_memcpy(&_name[1], name, len);
symbol = dlsym(handle, _name);
SDL_small_free(_name, isstack);
if (symbol == NULL) {
SDL_SetError("Failed loading %s: %s", name,
(const char *)dlerror());
}
}
return symbol;
}
void SDL_UnloadObject(void *handle)
{
if (handle != NULL) {
dlclose(handle);
}
}
#endif /* SDL_LOADSO_DLOPEN */

47
external/sdl/SDL/src/loadso/dummy/SDL_sysloadso.c vendored Normal file
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/*
Simple DirectMedia Layer
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, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_internal.h"
#if defined(SDL_LOADSO_DUMMY) || defined(SDL_LOADSO_DISABLED)
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent library loading routines */
void *SDL_LoadObject(const char *sofile)
{
const char *loaderror = "SDL_LoadObject() not implemented";
SDL_SetError("Failed loading %s: %s", sofile, loaderror);
return NULL;
}
SDL_FunctionPointer SDL_LoadFunction(void *handle, const char *name)
{
const char *loaderror = "SDL_LoadFunction() not implemented";
SDL_SetError("Failed loading %s: %s", name, loaderror);
return NULL;
}
void SDL_UnloadObject(void *handle)
{
/* no-op. */
}
#endif /* SDL_LOADSO_DUMMY || SDL_LOADSO_DISABLED */

80
external/sdl/SDL/src/loadso/windows/SDL_sysloadso.c vendored Normal file
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/*
Simple DirectMedia Layer
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, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_internal.h"
#ifdef SDL_LOADSO_WINDOWS
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent library loading routines */
#include "../../core/windows/SDL_windows.h"
void *SDL_LoadObject(const char *sofile)
{
void *handle;
LPTSTR tstr;
if (sofile == NULL) {
SDL_InvalidParamError("sofile");
return NULL;
}
tstr = WIN_UTF8ToString(sofile);
#ifdef __WINRT__
/* WinRT only publicly supports LoadPackagedLibrary() for loading .dll
files. LoadLibrary() is a private API, and not available for apps
(that can be published to MS' Windows Store.)
*/
handle = (void *)LoadPackagedLibrary(tstr, 0);
#else
handle = (void *)LoadLibrary(tstr);
#endif
SDL_free(tstr);
/* Generate an error message if all loads failed */
if (handle == NULL) {
char errbuf[512];
SDL_strlcpy(errbuf, "Failed loading ", SDL_arraysize(errbuf));
SDL_strlcat(errbuf, sofile, SDL_arraysize(errbuf));
WIN_SetError(errbuf);
}
return handle;
}
SDL_FunctionPointer SDL_LoadFunction(void *handle, const char *name)
{
void *symbol = (void *)GetProcAddress((HMODULE)handle, name);
if (symbol == NULL) {
char errbuf[512];
SDL_strlcpy(errbuf, "Failed loading ", SDL_arraysize(errbuf));
SDL_strlcat(errbuf, name, SDL_arraysize(errbuf));
WIN_SetError(errbuf);
}
return symbol;
}
void SDL_UnloadObject(void *handle)
{
if (handle != NULL) {
FreeLibrary((HMODULE)handle);
}
}
#endif /* SDL_LOADSO_WINDOWS */