m_deflate->zfree = (free_func)0;
m_deflate->opaque = (voidpf)0;
- if (level == -1) level = Z_DEFAULT_COMPRESSION;
- wxASSERT_MSG(level >= 0 && level <= 9, wxT("wxZlibOutputStream compression level must be between 0 and 9!"));
+ if ( level == -1 )
+ {
+ level = Z_DEFAULT_COMPRESSION;
+ }
+ else
+ {
+ 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) {