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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /ipc/glue/EnvironmentMap.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'ipc/glue/EnvironmentMap.h')
-rw-r--r-- | ipc/glue/EnvironmentMap.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/ipc/glue/EnvironmentMap.h b/ipc/glue/EnvironmentMap.h new file mode 100644 index 0000000000..5cd0ef8c58 --- /dev/null +++ b/ipc/glue/EnvironmentMap.h @@ -0,0 +1,62 @@ +/* -*- 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(OS_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); + +#elif defined(OS_POSIX) + +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_ |