ec340697d6
Change-Id: I5e8e4a9a31aa7c3ff54cc7ce137d08770ea297e1 Reviewed-on: https://gerrit.libreoffice.org/40279 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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/* make Python.h go first as a hack to work around _POSIX_C_SOURCE redefinition
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warnings: */
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#include "Python.h"
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#include "sal/config.h"
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#include <stdlib.h>
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#include <string.h>
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#if defined LINUX && !defined __USE_GNU
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#define __USE_GNU
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#endif
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#include <dlfcn.h>
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#include "rtl/string.h"
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/* A wrapper around libpyuno.so, making sure the latter is loaded RTLD_GLOBAL
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so that C++ exception handling works with old GCC versions (that determine
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RTTI identity by comparing string addresses rather than string content).
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*/
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static void * load(void const * address, char const * symbol) {
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Dl_info dl_info;
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char * slash;
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size_t len;
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char * libname;
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void * h;
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void * func;
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if (dladdr(address, &dl_info) == 0) {
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abort();
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}
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slash = strrchr(dl_info.dli_fname, '/');
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if (slash == NULL) {
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abort();
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}
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len = slash - dl_info.dli_fname + 1;
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libname = malloc(
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len + RTL_CONSTASCII_LENGTH(SAL_DLLPREFIX "pyuno" SAL_DLLEXTENSION)
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+ 1);
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if (libname == NULL) {
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abort();
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}
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strncpy(libname, dl_info.dli_fname, len);
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strcpy(libname + len, SAL_DLLPREFIX "pyuno" SAL_DLLEXTENSION);
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h = dlopen(libname, RTLD_LAZY | RTLD_GLOBAL);
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free(libname);
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if (h == NULL) {
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fprintf(stderr, "failed to load pyuno: '%s'\n", dlerror());
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abort();
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}
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func = dlsym(h, symbol);
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if (func == NULL) {
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dlclose(h);
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abort();
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}
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return func;
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}
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#if PY_MAJOR_VERSION >= 3
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SAL_DLLPUBLIC_EXPORT PyObject * PyInit_pyuno(void) {
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return
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((PyObject * (*)(void)) load((void *) &PyInit_pyuno, "PyInit_pyuno"))();
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}
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#else
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SAL_DLLPUBLIC_EXPORT void initpyuno(void) {
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((void (*)(void)) load((void *) &initpyuno, "initpyuno"))();
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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