mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-20 22:21:34 +00:00
63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef SANDBOXING_COMMON_ENVIRONMENTMAP_H_
|
|
#define SANDBOXING_COMMON_ENVIRONMENTMAP_H_
|
|
|
|
#include <map>
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
namespace base {
|
|
|
|
#if defined(XP_WIN)
|
|
|
|
typedef std::wstring NativeEnvironmentString;
|
|
typedef std::map<NativeEnvironmentString, NativeEnvironmentString>
|
|
EnvironmentMap;
|
|
|
|
# define ENVIRONMENT_LITERAL(x) L##x
|
|
# define ENVIRONMENT_STRING(x) \
|
|
((std::wstring)(NS_ConvertUTF8toUTF16((x)).get()))
|
|
|
|
// Returns a modified environment vector constructed from the given environment
|
|
// and the list of changes given in |changes|. Each key in the environment is
|
|
// matched against the first element of the pairs. In the event of a match, the
|
|
// value is replaced by the second of the pair, unless the second is empty, in
|
|
// which case the key-value is removed.
|
|
//
|
|
// This Windows version takes and returns a Windows-style environment block
|
|
// which is a concatenated list of null-terminated 16-bit strings. The end is
|
|
// marked by a double-null terminator. The size of the returned string will
|
|
// include the terminators.
|
|
NativeEnvironmentString AlterEnvironment(const wchar_t* env,
|
|
const EnvironmentMap& changes);
|
|
|
|
#else
|
|
|
|
typedef std::string NativeEnvironmentString;
|
|
typedef std::map<NativeEnvironmentString, NativeEnvironmentString>
|
|
EnvironmentMap;
|
|
|
|
# define ENVIRONMENT_LITERAL(x) x
|
|
# define ENVIRONMENT_STRING(x) x
|
|
|
|
// See general comments for the Windows version above.
|
|
//
|
|
// This Posix version takes and returns a Posix-style environment block, which
|
|
// is a null-terminated list of pointers to null-terminated strings. The
|
|
// returned array will have appended to it the storage for the array itself so
|
|
// there is only one pointer to manage, but this means that you can't copy the
|
|
// array without keeping the original around.
|
|
std::unique_ptr<char*[]> AlterEnvironment(const char* const* env,
|
|
const EnvironmentMap& changes);
|
|
|
|
#endif
|
|
|
|
} // namespace base
|
|
|
|
#endif // SANDBOXING_COMMON_ENVIRONMENTMAP_H_
|