Mercurial > sdl-ios-xcode
diff src/loadso/dlopen/SDL_sysloadso.c @ 1361:19418e4422cb
New configure-based build system. Still work in progress, but much improved
author | Sam Lantinga <slouken@libsdl.org> |
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date | Thu, 16 Feb 2006 10:11:48 +0000 |
parents | |
children | c0a74f199ecf |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/loadso/dlopen/SDL_sysloadso.c Thu Feb 16 10:11:48 2006 +0000 @@ -0,0 +1,63 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2006 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ + +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ +/* System dependent library loading routines */ + +#include <stdio.h> +#include <dlfcn.h> + +#include "SDL_loadso.h" + +void *SDL_LoadObject(const char *sofile) +{ + void *handle = dlopen(sofile, RTLD_NOW); + const char *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 ) { + char *_name = SDL_stack_alloc(char, 1+SDL_strlen(name)+1); + _name[0] = '_'; + SDL_strcpy(&_name[1], name); + 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); + } +} +