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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
/* 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 const * 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 == NULL) {
abort();
}
strncpy(libname, dl_info.dli_fname, len);
strcpy(libname + len, SAL_DLLPREFIX "pyuno" SAL_DLLEXTENSION);
h = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
free(libname);
if (h == NULL) {
fprintf(stderr, "failed to load pyuno: '%s'\n", dlerror());
abort();
}
func = dlsym(h, symbol);
if (func == NULL) {
dlclose(h);
abort();
}
// coverity[leaked_storage] - this is on purpose
return func;
}
SAL_DLLPUBLIC_EXPORT PyObject * PyInit_pyuno(void) {
return
((PyObject * (*)(void)) load((void *) &PyInit_pyuno, "PyInit_pyuno"))();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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