diff options
Diffstat (limited to 'source/3rd-party/SDL2/src/loadso')
3 files changed, 222 insertions, 0 deletions
diff --git a/source/3rd-party/SDL2/src/loadso/dlopen/SDL_sysloadso.c b/source/3rd-party/SDL2/src/loadso/dlopen/SDL_sysloadso.c new file mode 100644 index 0000000..18b4b84 --- /dev/null +++ b/source/3rd-party/SDL2/src/loadso/dlopen/SDL_sysloadso.c @@ -0,0 +1,88 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 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> + +#include "SDL_loadso.h" + +#if SDL_VIDEO_DRIVER_UIKIT +#include "../../video/uikit/SDL_uikitvideo.h" +#endif + +void * +SDL_LoadObject(const char *sofile) +{ + void *handle; + const char *loaderror; + +#if 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 = (char *) dlerror(); + if (handle == NULL) { + SDL_SetError("Failed loading %s: %s", sofile, loaderror); + } + return (handle); +} + +void * +SDL_LoadFunction(void *handle, const char *name) +{ + void *symbol = dlsym(handle, name); + if (symbol == NULL) { + /* append an underscore for platforms that need that. */ + size_t len = 1 + SDL_strlen(name) + 1; + char *_name = SDL_stack_alloc(char, len); + _name[0] = '_'; + SDL_strlcpy(&_name[1], name, len); + symbol = dlsym(handle, _name); + SDL_stack_free(_name); + 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 */ + +/* vi: set ts=4 sw=4 expandtab: */ diff --git a/source/3rd-party/SDL2/src/loadso/dummy/SDL_sysloadso.c b/source/3rd-party/SDL2/src/loadso/dummy/SDL_sysloadso.c new file mode 100644 index 0000000..291c08b --- /dev/null +++ b/source/3rd-party/SDL2/src/loadso/dummy/SDL_sysloadso.c @@ -0,0 +1,54 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 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 */ + +#include "SDL_loadso.h" + +void * +SDL_LoadObject(const char *sofile) +{ + const char *loaderror = "SDL_LoadObject() not implemented"; + SDL_SetError("Failed loading %s: %s", sofile, loaderror); + return (NULL); +} + +void * +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 */ + +/* vi: set ts=4 sw=4 expandtab: */ diff --git a/source/3rd-party/SDL2/src/loadso/windows/SDL_sysloadso.c b/source/3rd-party/SDL2/src/loadso/windows/SDL_sysloadso.c new file mode 100644 index 0000000..351570f --- /dev/null +++ b/source/3rd-party/SDL2/src/loadso/windows/SDL_sysloadso.c @@ -0,0 +1,80 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 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" + +#include "SDL_loadso.h" + +void * +SDL_LoadObject(const char *sofile) +{ + LPTSTR tstr = WIN_UTF8ToString(sofile); +#ifdef __WINRT__ + /* WinRT only publically supports LoadPackagedLibrary() for loading .dll + files. LoadLibrary() is a private API, and not available for apps + (that can be published to MS' Windows Store.) + */ + void *handle = (void *) LoadPackagedLibrary(tstr, 0); +#else + void *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; +} + +void * +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 */ + +/* vi: set ts=4 sw=4 expandtab: */ |