// If we are building with configure (defines __WX_SETUP_H__),
// we trust the zlib path is given as a -I option.
#if defined(__WXMSW__) && !defined(__WX_SETUP_H__)
- #include "..\zlib\zlib.h"
+ #include "../zlib/zlib.h"
#else
#include "zlib.h"
#endif
m_inflate->next_in = m_z_buffer;
m_inflate->avail_in = m_parent_i_stream->LastRead();
- if (m_parent_i_stream->LastError() != wxStream_NOERROR)
- return (size - m_inflate->avail_in);
+ if (m_parent_i_stream->LastError() != wxStream_NOERROR &&
+ m_parent_i_stream->LastError() != wxStream_EOF)
+ {
+ m_lasterror = m_parent_i_stream->LastError();
+ return 0; // failed to read anything
+ }
}
err = inflate(m_inflate, Z_FINISH);
if (err == Z_STREAM_END)
- return (size - m_inflate->avail_in);
+ return (size - m_inflate->avail_out);
}
- return size-m_inflate->avail_in;
+ return size-m_inflate->avail_out;
}
//////////////////////
// wxZlibOutputStream
//////////////////////
-wxZlibOutputStream::wxZlibOutputStream(wxOutputStream& stream)
+wxZlibOutputStream::wxZlibOutputStream(wxOutputStream& stream, int level)
: wxFilterOutputStream(stream)
{
int err;
m_deflate->zfree = (free_func)0;
m_deflate->opaque = (voidpf)0;
- err = deflateInit(m_deflate, Z_DEFAULT_COMPRESSION);
+ if (level == -1) level = Z_DEFAULT_COMPRESSION;
+ wxASSERT_MSG(level >= 0 && level <= 9, wxT("wxZlibOutputStream compression level must be between 0 and 9!"));
+
+ err = deflateInit(m_deflate, level);
if (err != Z_OK) {
deflateEnd(m_deflate);
return;
err = deflate(m_deflate, Z_FINISH);
if (err != Z_STREAM_END)
{
- wxLogDebug( T("wxZlibOutputStream: an error occured while closing the stream.\n") );
+ wxLogDebug( wxT("wxZlibOutputStream: an error occured while closing the stream.\n") );
return;
}