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fixed exception messages if writing to output stream fails

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This commit is contained in:
Günter Obiltschnig
2019-08-23 20:55:19 +02:00
parent 0784665ce8
commit b4fd25c620
2 changed files with 22 additions and 22 deletions
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12
Foundation/src/DeflatingStream.cpp
View File

@@ -151,7 +151,7 @@ int DeflatingStreamBuf::close()
int rc = deflate(&_zstr, Z_FINISH);
if (rc != Z_OK && rc != Z_STREAM_END) throw IOException(zError(rc));
_pOstr->write(_buffer, DEFLATE_BUFFER_SIZE - _zstr.avail_out);
if (!_pOstr->good()) throw IOException(zError(rc));
if (!_pOstr->good()) throw IOException("Failed writing deflated data to output stream");
_zstr.next_out = (unsigned char*) _buffer;
_zstr.avail_out = DEFLATE_BUFFER_SIZE;
while (rc != Z_STREAM_END)
@@ -159,7 +159,7 @@ int DeflatingStreamBuf::close()
rc = deflate(&_zstr, Z_FINISH);
if (rc != Z_OK && rc != Z_STREAM_END) throw IOException(zError(rc));
_pOstr->write(_buffer, DEFLATE_BUFFER_SIZE - _zstr.avail_out);
if (!_pOstr->good()) throw IOException(zError(rc));
if (!_pOstr->good()) throw IOException("Failed writing deflated data to output stream");
_zstr.next_out = (unsigned char*) _buffer;
_zstr.avail_out = DEFLATE_BUFFER_SIZE;
}
@@ -183,7 +183,7 @@ int DeflatingStreamBuf::sync()
int rc = deflate(&_zstr, Z_SYNC_FLUSH);
if (rc != Z_OK) throw IOException(zError(rc));
_pOstr->write(_buffer, DEFLATE_BUFFER_SIZE - _zstr.avail_out);
if (!_pOstr->good()) throw IOException(zError(rc));
if (!_pOstr->good()) throw IOException("Failed writing deflated data to output stream");
while (_zstr.avail_out == 0)
{
_zstr.next_out = (unsigned char*) _buffer;
@@ -191,7 +191,7 @@ int DeflatingStreamBuf::sync()
rc = deflate(&_zstr, Z_SYNC_FLUSH);
if (rc != Z_OK) throw IOException(zError(rc));
_pOstr->write(_buffer, DEFLATE_BUFFER_SIZE - _zstr.avail_out);
if (!_pOstr->good()) throw IOException(zError(rc));
if (!_pOstr->good()) throw IOException("Failed writing deflated data to output stream");
};
_zstr.next_out = (unsigned char*) _buffer;
_zstr.avail_out = DEFLATE_BUFFER_SIZE;
@@ -281,14 +281,14 @@ int DeflatingStreamBuf::writeToDevice(const char* buffer, std::streamsize length
if (_zstr.avail_out == 0)
{
_pOstr->write(_buffer, DEFLATE_BUFFER_SIZE);
if (!_pOstr->good()) throw IOException(zError(rc));
if (!_pOstr->good()) throw IOException("Failed writing deflated data to output stream");
_zstr.next_out = (unsigned char*) _buffer;
_zstr.avail_out = DEFLATE_BUFFER_SIZE;
}
if (_zstr.avail_in == 0)
{
_pOstr->write(_buffer, DEFLATE_BUFFER_SIZE - _zstr.avail_out);
if (!_pOstr->good()) throw IOException(zError(rc));
if (!_pOstr->good()) throw IOException("Failed writing deflated data to output stream");
_zstr.next_out = (unsigned char*) _buffer;
_zstr.avail_out = DEFLATE_BUFFER_SIZE;
break;

32
Foundation/src/InflatingStream.cpp
View File

@@ -20,7 +20,7 @@
namespace Poco {
InflatingStreamBuf::InflatingStreamBuf(std::istream& istr, StreamType type):
InflatingStreamBuf::InflatingStreamBuf(std::istream& istr, StreamType type):
BufferedStreamBuf(STREAM_BUFFER_SIZE, std::ios::in),
_pIstr(&istr),
_pOstr(0),
@@ -45,15 +45,15 @@ InflatingStreamBuf::InflatingStreamBuf(std::istream& istr, StreamType type):
_buffer = new char[INFLATE_BUFFER_SIZE];
int rc = inflateInit2(&_zstr, 15 + (type == STREAM_GZIP ? 16 : 0));
if (rc != Z_OK)
if (rc != Z_OK)
{
delete [] _buffer;
throw IOException(zError(rc));
throw IOException(zError(rc));
}
}
InflatingStreamBuf::InflatingStreamBuf(std::istream& istr, int windowBits):
InflatingStreamBuf::InflatingStreamBuf(std::istream& istr, int windowBits):
BufferedStreamBuf(STREAM_BUFFER_SIZE, std::ios::in),
_pIstr(&istr),
_pOstr(0),
@@ -71,15 +71,15 @@ InflatingStreamBuf::InflatingStreamBuf(std::istream& istr, int windowBits):
_buffer = new char[INFLATE_BUFFER_SIZE];
int rc = inflateInit2(&_zstr, windowBits);
if (rc != Z_OK)
if (rc != Z_OK)
{
delete [] _buffer;
throw IOException(zError(rc));
throw IOException(zError(rc));
}
}
InflatingStreamBuf::InflatingStreamBuf(std::ostream& ostr, StreamType type):
InflatingStreamBuf::InflatingStreamBuf(std::ostream& ostr, StreamType type):
BufferedStreamBuf(STREAM_BUFFER_SIZE, std::ios::out),
_pIstr(0),
_pOstr(&ostr),
@@ -97,7 +97,7 @@ InflatingStreamBuf::InflatingStreamBuf(std::ostream& ostr, StreamType type):
_buffer = new char[INFLATE_BUFFER_SIZE];
int rc = inflateInit2(&_zstr, 15 + (type == STREAM_GZIP ? 16 : 0));
if (rc != Z_OK)
if (rc != Z_OK)
{
delete [] _buffer;
throw IOException(zError(rc));
@@ -105,7 +105,7 @@ InflatingStreamBuf::InflatingStreamBuf(std::ostream& ostr, StreamType type):
}
InflatingStreamBuf::InflatingStreamBuf(std::ostream& ostr, int windowBits):
InflatingStreamBuf::InflatingStreamBuf(std::ostream& ostr, int windowBits):
BufferedStreamBuf(STREAM_BUFFER_SIZE, std::ios::out),
_pIstr(0),
_pOstr(&ostr),
@@ -123,7 +123,7 @@ InflatingStreamBuf::InflatingStreamBuf(std::ostream& ostr, int windowBits):
_buffer = new char[INFLATE_BUFFER_SIZE];
int rc = inflateInit2(&_zstr, windowBits);
if (rc != Z_OK)
if (rc != Z_OK)
{
delete [] _buffer;
throw IOException(zError(rc));
@@ -214,7 +214,7 @@ int InflatingStreamBuf::readFromDevice(char* buffer, std::streamsize length)
{
_zstr.next_in = (unsigned char*) _buffer;
_zstr.avail_in = n;
}
}
else return static_cast<int>(length) - _zstr.avail_out;
}
}
@@ -224,7 +224,7 @@ int InflatingStreamBuf::readFromDevice(char* buffer, std::streamsize length)
int InflatingStreamBuf::writeToDevice(const char* buffer, std::streamsize length)
{
if (length == 0 || !_pOstr) return 0;
_zstr.next_in = (unsigned char*) buffer;
_zstr.avail_in = static_cast<unsigned>(length);
_zstr.next_out = (unsigned char*) _buffer;
@@ -235,21 +235,21 @@ int InflatingStreamBuf::writeToDevice(const char* buffer, std::streamsize length
if (rc == Z_STREAM_END)
{
_pOstr->write(_buffer, INFLATE_BUFFER_SIZE - _zstr.avail_out);
if (!_pOstr->good()) throw IOException(zError(rc));
if (!_pOstr->good()) throw IOException("Failed writing inflated data to output stream");
break;
}
if (rc != Z_OK) throw IOException(zError(rc));
if (rc != Z_OK) throw IOException(zError(rc));
if (_zstr.avail_out == 0)
{
_pOstr->write(_buffer, INFLATE_BUFFER_SIZE);
if (!_pOstr->good()) throw IOException(zError(rc));
if (!_pOstr->good()) throw IOException("Failed writing inflated data to output stream");
_zstr.next_out = (unsigned char*) _buffer;
_zstr.avail_out = INFLATE_BUFFER_SIZE;
}
if (_zstr.avail_in == 0)
{
_pOstr->write(_buffer, INFLATE_BUFFER_SIZE - _zstr.avail_out);
if (!_pOstr->good()) throw IOException(zError(rc));
if (!_pOstr->good()) throw IOException("Failed writing inflated data to output stream");
_zstr.next_out = (unsigned char*) _buffer;
_zstr.avail_out = INFLATE_BUFFER_SIZE;
break;