87 lines
2.9 KiB
C++
87 lines
2.9 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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#ifndef INCLUDED_DESKTOP_WIN32_SOURCE_EXTENDLOADERENVIRONMENT_HXX
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#define INCLUDED_DESKTOP_WIN32_SOURCE_EXTENDLOADERENVIRONMENT_HXX
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#include "sal/config.h"
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#include <cstddef>
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#include <tchar.h>
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#define MY_LENGTH(s) (sizeof (s) / sizeof *(s) - 1)
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#define MY_STRING(s) (s), MY_LENGTH(s)
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namespace desktop_win32 {
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inline WCHAR * commandLineAppend(
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WCHAR * buffer, WCHAR const * text, std::size_t length)
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{
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wcsncpy(buffer, text, length + 1); // trailing null
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return buffer + length;
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}
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inline WCHAR * commandLineAppend(WCHAR * buffer, WCHAR const * text) {
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return commandLineAppend(buffer, text, wcslen(text));
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}
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inline WCHAR * commandLineAppendEncoded(WCHAR * buffer, WCHAR const * text) {
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std::size_t n = 0;
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for (;;) {
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WCHAR c = *text++;
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if (c == L'\0') {
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break;
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} else if (c == L'$') {
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buffer = commandLineAppend(buffer, MY_STRING(L"\\$"));
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n = 0;
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} else if (c == L'\\') {
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buffer = commandLineAppend(buffer, MY_STRING(L"\\\\"));
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n += 2;
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} else {
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*buffer++ = c;
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n = 0;
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}
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}
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// The command line will continue with a double quote, so double any
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// preceding backslashes as required by Windows:
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for (std::size_t i = 0; i < n; ++i) {
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*buffer++ = L'\\';
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}
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*buffer = L'\0';
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return buffer;
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}
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// Set the PATH environment variable in the current (loader) process, so that a
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// following CreateProcess has the necessary environment:
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// @param binPath
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// Must point to an array of size at least MAX_PATH. Is filled with the null
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// terminated full path to the "bin" file corresponding to the current
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// executable.
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// @param iniDirectory
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// Must point to an array of size at least MAX_PATH. Is filled with the null
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// terminated full directory path (ending in "\") to the "ini" file
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// corresponding to the current executable.
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void extendLoaderEnvironment(WCHAR * binPath, WCHAR * iniDirectory);
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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