streamsize stdio_istreambuf::showmanyc() {
if (feof(_M_file))
return -1;
else {
int fd = _FILE_fd(_M_file);
#ifdef _STLP_WCE
(fd); // prevent warning about unused variable
// not sure if i can mix win32 io mode with ftell but time will show
// cannot use WIN32_IO implementation since missing stat
streamsize tmp = FTELL(_M_file);
FSEEK(_M_file, 0, SEEK_END);
streamoff size= FTELL(_M_file)-tmp;
FSEEK(_M_file, tmp, SEEK_SET);
#elif defined (_STLP_USE_WIN32_IO)
// in this case, __file_size works with Win32 fh , not libc one
streamoff size;
struct stat buf;
if(FSTAT(fd, &buf) == 0 && ( _S_IFREG & buf.st_mode ) )
size = ( buf.st_size > 0 ? buf.st_size : 0);
else
size = 0;
#else
streamoff size = __file_size(fd);
#endif
// fbp : we can use ftell as this flavour always use stdio.
streamsize pos = FTELL(_M_file);
return pos >= 0 && size > pos ? size - pos : 0;
}
}
streamsize stdio_istreambuf::showmanyc()
{
if (feof(_M_file))
return -1;
else {
int fd = _FILE_fd(_M_file);
# ifdef _STLP_USE_WIN32_IO
// in this case, __file_size works with Win32 fh , not libc one
streamoff size;
struct stat buf;
# ifdef __BORLANDC__
if(fstat(fd, &buf) == 0 && S_ISREG( buf.st_mode ) )
# else
if(fstat(fd, &buf) == 0 && ( _S_IFREG & buf.st_mode ) )
# endif
size = ( buf.st_size > 0 ? buf.st_size : 0);
else
size = 0;
# else
streamoff size = _SgI::__file_size(fd);
# endif
// fbp : we can use ftell as this flavour always use stdio.
long pos = _STLP_VENDOR_CSTD::ftell(_M_file);
return pos >= 0 && size > pos ? size - pos : 0;
}
}
