// create the file, fail if it already exists and bOverwrite
bool wxFile::Create(const wxChar *szFileName, bool bOverwrite, int accessMode)
{
// if bOverwrite we create a new file or truncate the existing one,
// otherwise we only create the new file and fail if it already exists
#if defined(__WXMAC__) && !defined(__UNIX__) && !wxUSE_UNICODE
// Dominic Mazzoni [[email protected]] reports that open is still broken on the mac, so we replace
// int fd = open( szFileName , O_CREAT | (bOverwrite ? O_TRUNC : O_EXCL), access);
int fd = creat( szFileName , accessMode);
#else
int fd = wxOpen( szFileName,
O_BINARY | O_WRONLY | O_CREAT |
(bOverwrite ? O_TRUNC : O_EXCL)
ACCESS(accessMode) );
#endif
if ( fd == -1 )
{
wxLogSysError(_("can't create file '%s'"), szFileName);
return false;
}
else
{
Attach(fd);
return true;
}
}
bool FlatFileReader::Open(const wxString& fileName)
{
m_filename = fileName;
int err = io_setup(64, &m_aio_context);
if (err) return false;
m_fd = wxOpen(fileName, O_RDONLY, 0);
return (m_fd != -1);
}
// open the file
bool wxFile::Open(const wxChar *szFileName, OpenMode mode, int accessMode)
{
int flags = O_BINARY;
switch ( mode )
{
case read:
flags |= O_RDONLY;
break;
case write_append:
if ( wxFile::Exists(szFileName) )
{
flags |= O_WRONLY | O_APPEND;
break;
}
//else: fall through as write_append is the same as write if the
// file doesn't exist
case write:
flags |= O_WRONLY | O_CREAT | O_TRUNC;
break;
case write_excl:
flags |= O_WRONLY | O_CREAT | O_EXCL;
break;
case read_write:
flags |= O_RDWR;
break;
}
#ifdef __WINDOWS__
// only read/write bits for "all" are supported by this function under
// Windows, and VC++ 8 returns EINVAL if any other bits are used in
// accessMode, so clear them as they have at best no effect anyhow
accessMode &= wxS_IRUSR | wxS_IWUSR;
#endif // __WINDOWS__
int fd = wxOpen( szFileName, flags ACCESS(accessMode));
if ( fd == -1 )
{
wxLogSysError(_("can't open file '%s'"), szFileName);
return false;
}
else {
Attach(fd);
return true;
}
}
FitsFname::FitsFname(const wxString& path, bool create, bool clobber)
{
#ifdef __WINDOWS__
if (create)
{
if (!clobber && wxFileExists(path))
{
m_str = new char[1];
*m_str = 0;
return;
}
int fd = wxOpen(path, O_BINARY | O_WRONLY | O_CREAT, wxS_DEFAULT);
wxClose(fd);
}
// use the short DOS 8.3 path name to avoid problems converting UTF-16 filenames to the ANSI filenames expected by CFITTSIO
DWORD shortlen = GetShortPathNameW(path.wc_str(), 0, 0);
if (shortlen)
{
LPWSTR shortpath = new WCHAR[shortlen];
GetShortPathNameW(path.wc_str(), shortpath, shortlen);
int slen = WideCharToMultiByte(CP_OEMCP, WC_NO_BEST_FIT_CHARS, shortpath, shortlen, 0, 0, 0, 0);
m_str = new char[slen + 1];
char *str = m_str;
if (create)
*str++ = '!';
WideCharToMultiByte(CP_OEMCP, WC_NO_BEST_FIT_CHARS, shortpath, shortlen, str, slen, 0, 0);
delete[] shortpath;
}
else
{
m_str = new char[1];
*m_str = 0;
}
#else // __WINDOWS__
if (clobber)
m_str = (wxT("!") + path).fn_str();
else
m_str = path.fn_str();
#endif // __WINDOWS__
}
// create the file, fail if it already exists and bOverwrite
bool wxFile::Create(const wxString& fileName, bool bOverwrite, int accessMode)
{
// if bOverwrite we create a new file or truncate the existing one,
// otherwise we only create the new file and fail if it already exists
int fd = wxOpen( fileName,
O_BINARY | O_WRONLY | O_CREAT |
(bOverwrite ? O_TRUNC : O_EXCL),
accessMode );
if ( CheckForError(fd) )
{
wxLogSysError(_("can't create file '%s'"), fileName);
return false;
}
Attach(fd);
return true;
}
void LogTestCase::SysError()
{
wxString s;
wxLogSysError(17, "Error");
CPPUNIT_ASSERT( m_log->GetLog(wxLOG_Error).StartsWith("Error (", &s) );
WX_ASSERT_MESSAGE( ("Error message is \"(%s\"", s), s.StartsWith("error 17") );
// The last error code seems to be set somewhere in MinGW CRT as its value
// is just not what we expect (ERROR_INVALID_PARAMETER instead of 0 and 0
// instead of ERROR_FILE_NOT_FOUND) so exclude the tests which rely on last
// error being preserved for this compiler.
#ifndef __MINGW32__
wxLogSysError("Success");
CPPUNIT_ASSERT( m_log->GetLog(wxLOG_Error).StartsWith("Success (", &s) );
WX_ASSERT_MESSAGE( ("Error message is \"(%s\"", s), s.StartsWith("error 0") );
wxOpen("no-such-file", 0, 0);
wxLogSysError("Not found");
CPPUNIT_ASSERT( m_log->GetLog(wxLOG_Error).StartsWith("Not found (", &s) );
WX_ASSERT_MESSAGE( ("Error message is \"(%s\"", s), s.StartsWith("error 2") );
#endif // __MINGW32__
}
void LogTestCase::SysError()
{
wxString s;
wxLogSysError(17, "Error");
CPPUNIT_ASSERT( m_log->GetLog(wxLOG_Error).StartsWith("Error (", &s) );
WX_ASSERT_MESSAGE( ("Error message is \"(%s\"", s), s.StartsWith("error 17") );
// Try to ensure that the system error is 0.
#ifdef __WINDOWS__
::SetLastError(0);
#else
errno = 0;
#endif
wxLogSysError("Success");
CPPUNIT_ASSERT( m_log->GetLog(wxLOG_Error).StartsWith("Success (", &s) );
WX_ASSERT_MESSAGE( ("Error message is \"(%s\"", s), s.StartsWith("error 0") );
wxOpen("no-such-file", 0, 0);
wxLogSysError("Not found");
CPPUNIT_ASSERT( m_log->GetLog(wxLOG_Error).StartsWith("Not found (", &s) );
WX_ASSERT_MESSAGE( ("Error message is \"(%s\"", s), s.StartsWith("error 2") );
}
