// Copyright 2017 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CRASHPAD_UTIL_MISC_ZLIB_H_
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#define CRASHPAD_UTIL_MISC_ZLIB_H_
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#include <string>
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namespace crashpad {
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//! \brief Obtain a \a window_bits parameter to pass to `deflateInit2()` or
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//! `inflateInit2()` that specifies a `gzip` wrapper instead of the default
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//! zlib wrapper.
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//!
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//! \param[in] window_bits A \a window_bits value that only specifies the base-2
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//! logarithm of the deflate sliding window size.
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//!
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//! \return \a window_bits adjusted to specify a `gzip` wrapper, to be passed to
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//! `deflateInit2()` or `inflateInit2()`.
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int ZlibWindowBitsWithGzipWrapper(int window_bits);
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//! \brief Formats a string for an error received from the zlib library.
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//!
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//! \param[in] zr A zlib result code, such as `Z_STREAM_ERROR`.
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//!
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//! \return A formatted string.
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std::string ZlibErrorString(int zr);
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_MISC_ZLIB_H_
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