misc/quazip/quacrc32.cpp
author belphegorr <szabibibi@gmail.com>
Mon, 23 Jul 2012 19:15:59 +0300
changeset 7263 644eabbc9218
parent 5752 ea95ee97c805
permissions -rw-r--r--
Added a new function: AddNewEvent, which only adds an event to the list if it doesn't already exist. Kept the old one as it might me useful to be able to add an event more than once.
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#include "quacrc32.h"
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#include "zlib.h"
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QuaCrc32::QuaCrc32()
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{
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	reset();
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}
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quint32 QuaCrc32::calculate(const QByteArray &data)
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{
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	return crc32( crc32(0L, Z_NULL, 0), (const Bytef*)data.data(), data.size() );
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}
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void QuaCrc32::reset()
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{
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	checksum = crc32(0L, Z_NULL, 0);
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}
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void QuaCrc32::update(const QByteArray &buf)
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{
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	checksum = crc32( checksum, (const Bytef*)buf.data(), buf.size() );
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}
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quint32 QuaCrc32::value()
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{
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	return checksum;
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}