sortix--sortix/libc/dlfcn.cpp

/*******************************************************************************

	Copyright(C) Jonas 'Sortie' Termansen 2012.

	This file is part of the Sortix C Library.

	The Sortix C 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 3 of the License, or (at your
	option) any later version.

	The Sortix C 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 the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.

	dlfcn.cpp
	Dynamic linking.

*******************************************************************************/

#include <stdio.h>
#include <dlfcn.h>

static const char* dlerrormsg = NULL;

extern "C" void* dlopen(const char* filename, int mode)
{
	(void) mode;
	dlerrormsg = "Sortix does not yet support dynamic linking";
	fprintf(stderr, "%s: loading file: %s\n", dlerrormsg, filename);
	return NULL;
}

extern "C" void* dlsym(void* handle, const char* name)
{
	(void) handle;
	dlerrormsg = "Sortix does not yet support dynamic linking";
	fprintf(stderr, "%s: resolving symbol: %s\n", dlerrormsg, name);
	return NULL;
}

extern "C" int dlclose(void* handle)
{
	(void) handle;
	return 0;
}

extern "C" char* dlerror()
{
	const char* result = dlerrormsg;
	dlerrormsg = NULL;
	return (char*) result;
}