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Diffstat (limited to 'source/3rd-party/SDL2/src/loadso/dlopen/SDL_sysloadso.c')
-rw-r--r--source/3rd-party/SDL2/src/loadso/dlopen/SDL_sysloadso.c88
1 files changed, 88 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
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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: */