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LibCore+LibHTTP+LibGfx: Switch to LibCompress

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This commit removes the only 3rd party library (and its usages)
in serenity: puff, which is used for deflate decompression. and
replaces it with the existing original serenity implementation
in LibCompress. :^)
This commit is contained in:
Idan Horowitz 2021-03-03 23:54:07 +02:00 • committed by Andreas Kling
parent 373a595c56
commit c12781a6a2
16 changed files with 31 additions and 1121 deletions
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17
Userland/Libraries/LibCompress/Gzip.cpp
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@ -31,9 +31,14 @@
namespace Compress {
bool GzipDecompressor::is_likely_compressed(ReadonlyBytes bytes)
{
return bytes.size() >= 2 && bytes[0] == gzip_magic_1 && bytes[1] == gzip_magic_2;
}
bool GzipDecompressor::BlockHeader::valid_magic_number() const
{
return identification_1 == 0x1f && identification_2 == 0x8b;
return identification_1 == gzip_magic_1 && identification_2 == gzip_magic_2;
}
bool GzipDecompressor::BlockHeader::supported_by_implementation() const
@ -48,10 +53,6 @@ bool GzipDecompressor::BlockHeader::supported_by_implementation() const
return false;
}
if (flags & Flags::FHCRC) {
TODO();
}
return true;
}
@ -128,6 +129,12 @@ size_t GzipDecompressor::read(Bytes bytes)
m_input_stream >> comment;
}
if (header.flags & Flags::FHCRC) {
LittleEndian<u16> crc16;
m_input_stream >> crc16;
// FIXME: we should probably verify this instead of just assuming it matches
}
m_current_member.emplace(header, m_input_stream);
return read(bytes);
}