factor/native/win32/ffi.c

43 lines
747 B
C

#include "../factor.h"
void ffi_dlopen (DLL *dll)
{
#ifdef FFI
HMODULE module;
char *path = to_c_string(untag_string(dll->path));
module = LoadLibrary(path);
if (!module)
general_error(ERROR_FFI, tag_object(last_error()));
dll->dll = module;
#else
general_error(ERROR_FFI_DISABLED, F);
#endif
}
void *ffi_dlsym (DLL *dll, F_STRING *symbol)
{
#ifdef FFI
void *sym = GetProcAddress(dll ? (HMODULE)dll->dll : GetModuleHandle(NULL),
to_c_string(symbol));
if (!sym)
general_error(ERROR_FFI, tag_object(last_error()));
return sym;
#else
general_error(ERROR_FFI_DISABLED, F);
#endif
}
void ffi_dlclose (DLL *dll)
{
#ifdef FFI
FreeLibrary((HMODULE)dll->dll);
dll->dll = NULL;
#else
general_error(ERROR_FFI_DISABLED, F);
#endif
}