// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "ffile.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/log.h"
#endif
+#ifdef __WINDOWS__
+#include "wx/msw/mslu.h"
+#endif
+
#include "wx/ffile.h"
// ============================================================================
// read/write
// ----------------------------------------------------------------------------
-bool wxFFile::ReadAll(wxString *str)
+bool wxFFile::ReadAll(wxString *str, wxMBConv& conv)
{
wxCHECK_MSG( str, false, wxT("invalid parameter") );
wxCHECK_MSG( IsOpened(), false, wxT("can't read from closed file") );
+ wxCHECK_MSG( Length() >= 0, false, wxT("invalid length") );
+ size_t length = wx_truncate_cast(size_t, Length());
+ wxCHECK_MSG( (wxFileOffset)length == Length(), false, wxT("huge file not supported") );
clearerr(m_fp);
- str->Empty();
- str->Alloc(Length());
+ wxCharBuffer buf(length + 1);
- wxChar buf[1024];
- static const size_t nSize = WXSIZEOF(buf) - 1; // -1 for trailing '\0'
- while ( !Eof() )
- {
- size_t nRead = fread(buf, sizeof(wxChar), nSize, m_fp);
- if ( (nRead < nSize) && Error() )
- {
- wxLogSysError(_("Read error on file '%s'"), m_name.c_str());
+ // note that real length may be less than file length for text files with DOS EOLs
+ // ('\r's get dropped by CRT when reading which means that we have
+ // realLen = fileLen - numOfLinesInTheFile)
+ length = fread(buf.data(), sizeof(char), length, m_fp);
- return false;
- }
- //else: just EOF
+ if ( Error() )
+ {
+ wxLogSysError(_("Read error on file '%s'"), m_name.c_str());
- buf[nRead] = 0;
- *str += buf;
+ return false;
}
+ buf.data()[length] = 0;
+ *str = wxString(buf, conv);
+
return true;
}
size_t wxFFile::Read(void *pBuf, size_t nCount)
{
- wxCHECK_MSG( pBuf, FALSE, wxT("invalid parameter") );
- wxCHECK_MSG( IsOpened(), FALSE, wxT("can't read from closed file") );
+ wxCHECK_MSG( pBuf, 0, wxT("invalid parameter") );
+ wxCHECK_MSG( IsOpened(), 0, wxT("can't read from closed file") );
size_t nRead = fread(pBuf, 1, nCount, m_fp);
if ( (nRead < nCount) && Error() )
size_t wxFFile::Write(const void *pBuf, size_t nCount)
{
- wxCHECK_MSG( pBuf, FALSE, wxT("invalid parameter") );
- wxCHECK_MSG( IsOpened(), FALSE, wxT("can't write to closed file") );
+ wxCHECK_MSG( pBuf, 0, wxT("invalid parameter") );
+ wxCHECK_MSG( IsOpened(), 0, wxT("can't write to closed file") );
size_t nWritten = fwrite(pBuf, 1, nCount, m_fp);
if ( nWritten < nCount )
break;
}
-#ifndef HAVE_FSEEKO
+#ifndef HAVE_FSEEKO
if ((long)ofs != ofs)
{
wxLogError(_("Seek error on file '%s' (large files not supported by stdio)"), m_name.c_str());
return false;
}
-#endif
+ if ( wxFseek(m_fp, (long)ofs, origin) != 0 )
+#else
if ( wxFseek(m_fp, ofs, origin) != 0 )
+#endif
{
wxLogSysError(_("Seek error on file '%s'"), m_name.c_str());
}
}
- return wxInvalidOffset;
+ return wxInvalidOffset;
}
#endif // wxUSE_FFILE