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crashpad/third_party/zlib
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Mark Mentovai 0c322ecc3f Use zlib to gzip-compress uploads 
This adds zlib to Crashpad. By default in standalone Crashpad builds,
the system zlib will be used where available. A copy of Chromium’s zlib
(currently a slightly patched 1.2.11) is checked out via DEPS into
third_party for use on Windows, which does not have a system zlib.

zlib is used to produce gzip streams for HTTP upload request bodies sent
by crashpad_handler by default. The Content-Encoding: gzip header is set
for these compressed request bodies. Compression can be disabled for
upload to servers without corresponding decompression support by
starting crashpad_handler with the --no-upload-gzip option.

Most minidumps compress quite well with zlib. A size reduction of 90% is
not uncommon.

BUG=crashpad:157
TEST=crashpad_util_test GzipHTTPBodyStream.*:HTTPTransport.*

Change-Id: I99b86db3952c3685cd78f5dc858a60b54399c513
Reviewed-on: https://chromium-review.googlesource.com/438585
Reviewed-by: Robert Sesek <rsesek@chromium.org>
2017-02-16 16:26:19 +00:00
..
README.crashpad
Use zlib to gzip-compress uploads
2017-02-16 16:26:19 +00:00
zlib_crashpad.h
Use zlib to gzip-compress uploads
2017-02-16 16:26:19 +00:00
zlib.gyp
Use zlib to gzip-compress uploads
2017-02-16 16:26:19 +00:00

README.crashpad

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Name: zlib
Short Name: zlib
URL: http://zlib.net/
Revision: See zlib/README.chromium
License: zlib
License File: zlib/LICENSE
Security Critical: yes

Description:
“A massively spiffy yet delicately unobtrusive compression library.”

zlib is a free, general-purpose, legally unencumbered lossless data-compression
library. zlib implements the “deflate” compression algorithm described by RFC
1951, which combines the LZ77 (Lempel-Ziv) algorithm with Huffman coding. zlib
also implements the zlib (RFC 1950) and gzip (RFC 1952) wrapper formats.

Local Modifications:
See zlib/README.chromium.