diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/loadso/dlopen/SDL_sysloadso.c')
| -rw-r--r-- | distrib/sdl-1.2.15/src/loadso/dlopen/SDL_sysloadso.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/loadso/dlopen/SDL_sysloadso.c b/distrib/sdl-1.2.15/src/loadso/dlopen/SDL_sysloadso.c new file mode 100644 index 0000000..7985ee7 --- /dev/null +++ b/distrib/sdl-1.2.15/src/loadso/dlopen/SDL_sysloadso.c @@ -0,0 +1,69 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 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 +*/ +#include "SDL_config.h" + +#ifdef SDL_LOADSO_DLOPEN + +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ +/* 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 ) { + /* 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 */ |