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print zlib error codes

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orignal 2017-01-30 19:56:06 -05:00
parent 3523047243
commit 7094588c53
1 changed files with 18 additions and 11 deletions
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29
Gzip.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2016, The PurpleI2P Project
* Copyright (c) 2013-2017, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
@ -9,11 +9,13 @@
#include <inttypes.h>
#include <string.h> /* memset */
#include <iostream>
#include "Log.h"
#include "Gzip.h"
namespace i2p {
namespace data {
namespace i2p
{
namespace data
{
const size_t GZIP_CHUNK_SIZE = 16384;
GzipInflator::GzipInflator (): m_IsDirty (false)
@ -36,9 +38,10 @@ namespace data {
m_Inflator.next_out = out;
m_Inflator.avail_out = outLen;
int err;
if ((err = inflate (&m_Inflator, Z_NO_FLUSH)) == Z_STREAM_END) {
if ((err = inflate (&m_Inflator, Z_NO_FLUSH)) == Z_STREAM_END)
return outLen - m_Inflator.avail_out;
}
// else
LogPrint (eLogError, "Gzip: Inflate error ", err);
return 0;
}
@ -49,17 +52,20 @@ namespace data {
m_Inflator.next_in = const_cast<uint8_t *>(in);
m_Inflator.avail_in = inLen;
int ret;
do {
do
{
m_Inflator.next_out = out;
m_Inflator.avail_out = GZIP_CHUNK_SIZE;
ret = inflate (&m_Inflator, Z_NO_FLUSH);
if (ret < 0) {
if (ret < 0)
{
inflateEnd (&m_Inflator);
os.setstate(std::ios_base::failbit);
break;
}
os.write ((char *)out, GZIP_CHUNK_SIZE - m_Inflator.avail_out);
} while (!m_Inflator.avail_out); // more data to read
}
while (!m_Inflator.avail_out); // more data to read
delete[] out;
}
@ -99,9 +105,10 @@ namespace data {
m_Deflator.next_out = out;
m_Deflator.avail_out = outLen;
int err;
if ((err = deflate (&m_Deflator, Z_FINISH)) == Z_STREAM_END) {
if ((err = deflate (&m_Deflator, Z_FINISH)) == Z_STREAM_END)
return outLen - m_Deflator.avail_out;
} /* else */
// else
LogPrint (eLogError, "Gzip: Deflate error ", err);
return 0;
}
} // data