filebuf & csdbg::filebuf::resize ( u32  sz )

virtual

Resize the file.

Parameters

[in]

sz

the new size

Returns

*this

Exceptions

csdbg::exception

Note

If the file was larger than 'sz', the extra data is lost. If the file was shorter, it is extended, and the extended part reads as null bytes ('\0'). The file offset is not changed

Definition at line 313 of file filebuf.cpp.

References csdbg::streambuf::m_handle, and unlikely.

{
  i32 retval;
  do {
    retval = ftruncate(m_handle, sz);
  }
  while ( unlikely(retval < 0 && errno == EINTR) );

  if ( unlikely(retval < 0) )
    throw errno;

  return *this;
}