Avoid potential negative array index access to cached text.
[LibreOffice.git] / desktop / win32 / source / loader.hxx
blob66b0ed8e53a1849be69239adf4176edf5f14320a
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
9 * This file incorporates work covered by the following license notice:
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
20 #pragma once
22 #include <cstddef>
23 #define WIN32_LEAN_AND_MEAN
24 #include <windows.h>
25 #include <string.h>
27 #define MY_LENGTH(s) (sizeof (s) / sizeof *(s) - 1)
28 #define MY_STRING(s) (s), MY_LENGTH(s)
30 namespace desktop_win32 {
32 inline WCHAR * commandLineAppend(
33 WCHAR * buffer, WCHAR const * text, std::size_t length)
35 wcsncpy(buffer, text, length + 1); // trailing null
36 return buffer + length;
39 inline WCHAR * commandLineAppend(WCHAR * buffer, WCHAR const * text) {
40 return commandLineAppend(buffer, text, wcslen(text));
43 inline WCHAR * commandLineAppendEncoded(WCHAR * buffer, WCHAR const * text) {
44 std::size_t n = 0;
45 for (;;) {
46 WCHAR c = *text++;
47 if (c == L'\0') {
48 break;
49 } else if (c == L'$') {
50 buffer = commandLineAppend(buffer, MY_STRING(L"\\$"));
51 n = 0;
52 } else if (c == L'\\') {
53 buffer = commandLineAppend(buffer, MY_STRING(L"\\\\"));
54 n += 2;
55 } else {
56 *buffer++ = c;
57 n = 0;
60 // The command line will continue with a double quote, so double any
61 // preceding backslashes as required by Windows:
62 for (std::size_t i = 0; i < n; ++i) {
63 *buffer++ = L'\\';
65 *buffer = L'\0';
66 return buffer;
69 // Set the PATH environment variable in the current (loader) process, so that a
70 // following CreateProcess has the necessary environment:
71 // @param binPath
72 // Must point to an array of size at least MAX_PATH. Is filled with the null
73 // terminated full path to the "bin" file corresponding to the current
74 // executable.
75 // @param iniDirectory
76 // Must point to an array of size at least MAX_PATH. Is filled with the null
77 // terminated full directory path (ending in "\") to the "ini" file
78 // corresponding to the current executable.
79 void extendLoaderEnvironment(WCHAR * binPath, WCHAR * iniDirectory);
81 // Implementation of the process guarding soffice.bin
82 int officeloader_impl(bool bAllowConsole);
84 // Implementation of the process guarding unopkg.bin
85 int unopkgloader_impl(bool bAllowConsole);
89 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */