zlib.cc 1.2 KB

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  1. // Copyright 2017 The Crashpad Authors. All rights reserved.
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. //
  7. // http://www.apache.org/licenses/LICENSE-2.0
  8. //
  9. // Unless required by applicable law or agreed to in writing, software
  10. // distributed under the License is distributed on an "AS IS" BASIS,
  11. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. // See the License for the specific language governing permissions and
  13. // limitations under the License.
  14. #include "util/misc/zlib.h"
  15. #include "base/logging.h"
  16. #include "base/strings/stringprintf.h"
  17. #include "third_party/zlib/zlib_crashpad.h"
  18. namespace crashpad {
  19. int ZlibWindowBitsWithGzipWrapper(int window_bits) {
  20. // See the documentation for deflateInit2() and inflateInit2() in <zlib.h>. 0
  21. // is only valid during decompression.
  22. DCHECK(window_bits == 0 || (window_bits >= 8 && window_bits <= 15))
  23. << window_bits;
  24. return 16 + window_bits;
  25. }
  26. std::string ZlibErrorString(int zr) {
  27. return base::StringPrintf("%s (%d)", zError(zr), zr);
  28. }
  29. } // namespace crashpad