X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2ae47e3f2bcbe7ae0bcc4c889c7221bc8fc26bea..33754c4d83c59b7523a6da0c4fb21079cb60301c:/src/common/datstrm.cpp diff --git a/src/common/datstrm.cpp b/src/common/datstrm.cpp index 5c4fd46091..f9f974012e 100644 --- a/src/common/datstrm.cpp +++ b/src/common/datstrm.cpp @@ -37,6 +37,18 @@ wxDataInputStream::~wxDataInputStream() { } +wxUint64 wxDataInputStream::Read64() +{ + wxUint64 i64; + + m_input->Read(&i64, 8); + + if (m_be_order) + return wxUINT64_SWAP_ON_LE(i64); + else + return wxUINT64_SWAP_ON_BE(i64); +} + wxUint32 wxDataInputStream::Read32() { wxUint32 i32; @@ -90,19 +102,23 @@ wxString wxDataInputStream::ReadString() len = Read32(); + if (len > 0) + { #if wxUSE_UNICODE - char *tmp = new char[len + 1]; - m_input->Read(tmp, len); - tmp[len] = 0; - wxString s(tmp); - delete[] tmp; + char *tmp = new char[len + 1]; + m_input->Read(tmp, len); + tmp[len] = 0; + wxString s(tmp); + delete[] tmp; #else - wxString s; - m_input->Read(s.GetWriteBuf(len), len); - s.UngetWriteBuf(); + wxString s; + m_input->Read(s.GetWriteBuf(len), len); + s.UngetWriteBuf(); #endif - - return s; + return s; + } + else + return wxEmptyString; } wxDataInputStream& wxDataInputStream::operator>>(wxString& s) @@ -147,6 +163,12 @@ wxDataInputStream& wxDataInputStream::operator>>(wxUint32& i) return *this; } +wxDataInputStream& wxDataInputStream::operator>>(wxUint64& i) +{ + i = Read64(); + return *this; +} + wxDataInputStream& wxDataInputStream::operator>>(double& i) { i = ReadDouble(); @@ -172,6 +194,17 @@ wxDataOutputStream::~wxDataOutputStream() { } +void wxDataOutputStream::Write64(wxUint64 i) +{ + wxUint64 i64; + + if (m_be_order) + i64 = wxUINT64_SWAP_ON_LE(i); + else + i64 = wxUINT64_SWAP_ON_BE(i); + m_output->Write(&i64, 8); +} + void wxDataOutputStream::Write32(wxUint32 i) { wxUint32 i32; @@ -203,8 +236,9 @@ void wxDataOutputStream::Write8(wxUint8 i) void wxDataOutputStream::WriteString(const wxString& string) { const wxWX2MBbuf buf = string.mb_str(); - Write32(string.Length()); - m_output->Write(buf, string.Len()); + Write32(string.Len()); + if (string.Len() > 0) + m_output->Write(buf, string.Len()); } // Must be at global scope for VC++ 5 @@ -232,7 +266,7 @@ wxDataOutputStream& wxDataOutputStream::operator<<(const wxChar *string) return *this; } -wxDataOutputStream& wxDataOutputStream::operator<<(wxString& string) +wxDataOutputStream& wxDataOutputStream::operator<<(const wxString& string) { WriteString(string); return *this; @@ -274,6 +308,12 @@ wxDataOutputStream& wxDataOutputStream::operator<<(wxUint32 i) return *this; } +wxDataOutputStream& wxDataOutputStream::operator<<(wxUint64 i) +{ + Write64(i); + return *this; +} + wxDataOutputStream& wxDataOutputStream::operator<<(double f) { WriteDouble(f);