diff options
Diffstat (limited to 'security/sandbox/chromium-shim/sandbox/win/src/line_break_common.h')
| -rw-r--r-- | security/sandbox/chromium-shim/sandbox/win/src/line_break_common.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/security/sandbox/chromium-shim/sandbox/win/src/line_break_common.h b/security/sandbox/chromium-shim/sandbox/win/src/line_break_common.h new file mode 100644 index 0000000000..b712239dde --- /dev/null +++ b/security/sandbox/chromium-shim/sandbox/win/src/line_break_common.h @@ -0,0 +1,31 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef SANDBOX_SRC_LINE_BREAK_COMMON_H_ +#define SANDBOX_SRC_LINE_BREAK_COMMON_H_ + +#include "sandbox/win/src/crosscall_params.h" + +namespace sandbox { + +#if defined(MOZ_DEBUG) +// Set a low max brokered length for testing to exercise the chunking code. +static const std::ptrdiff_t kMaxBrokeredLen = 50; + +#else +// Parameters are stored aligned to sizeof(int64_t). +// So to calculate the maximum length we can use when brokering to the parent, +// we take the max params buffer size, take off 8 for the aligned length and 6 +// and 7 to allow for the maximum padding that can be added to the text and +// break before buffers. We then divide by three, because the text characters +// are wchar_t and the break before elements are uint8_t. +static const std::ptrdiff_t kMaxBrokeredLen = + (ActualCallParams<3, kIPCChannelSize>::MaxParamsSize() - 8 - 6 - 7) / 3; +#endif + +} // namespace sandbox + +#endif // SANDBOX_SRC_LINE_BREAK_COMMON_H_ |