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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
/* make Python.h go first as a hack to work around _POSIX_C_SOURCE redefinition
warnings: */
#include "Python.h"
#include "sal/config.h"
#include <stdlib.h>
#include <string.h>
#if defined LINUX && !defined __USE_GNU
#define __USE_GNU
#endif
#include <dlfcn.h>
#include "rtl/string.h"
/* A wrapper around libpyuno.so, making sure the latter is loaded RTLD_GLOBAL
so that C++ exception handling works with old GCC versions (that determine
RTTI identity by comparing string addresses rather than string content).
*/
static void * load(void * address, char const * symbol) {
Dl_info dl_info;
char * slash;
size_t len;
char * libname;
void * h;
void * func;
if (dladdr(address, &dl_info) == 0) {
abort();
}
slash = strrchr(dl_info.dli_fname, '/');
if (slash == NULL) {
abort();
}
len = slash - dl_info.dli_fname + 1;
libname = malloc(
len + RTL_CONSTASCII_LENGTH(SAL_DLLPREFIX "pyuno" SAL_DLLEXTENSION)
+ 1);
if (libname == 0) {
abort();
}
strncpy(libname, dl_info.dli_fname, len);
strcpy(libname + len, SAL_DLLPREFIX "pyuno" SAL_DLLEXTENSION);
h = dlopen(libname, RTLD_NOW | RTLD_GLOBAL);
free(libname);
if (h == NULL) {
abort();
}
func = dlsym(h, symbol);
if (func == NULL) {
abort();
}
return func;
}
#if PY_MAJOR_VERSION >= 3
SAL_DLLPUBLIC_EXPORT PyObject * PyInit_pyuno(void) {
return
((PyObject * (*)(void)) load((void *) &PyInit_pyuno, "PyInit_pyuno"))();
}
#else
SAL_DLLPUBLIC_EXPORT void initpyuno(void) {
((void (*)(void)) load((void *) &initpyuno, "initpyuno"))();
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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