diff options
Diffstat (limited to 'winsup/cygwin/fhandler.cc')
| -rw-r--r-- | winsup/cygwin/fhandler.cc | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc index 2e909fbd1..16ec8114d 100644 --- a/winsup/cygwin/fhandler.cc +++ b/winsup/cygwin/fhandler.cc @@ -1772,21 +1772,22 @@ fhandler_base::wait_overlapped (bool inres, bool writing, DWORD *bytes, DWORD le void fhandler_base::read_overlapped (void *ptr, size_t& len) { + DWORD bytes_written; while (1) { - bool res = ReadFile (get_handle (), ptr, len, (DWORD *) &len, + bool res = ReadFile (get_handle (), ptr, len, &bytes_written, get_overlapped ()); - int wres = wait_overlapped (res, false, (DWORD *) &len); + int wres = wait_overlapped (res, false, &bytes_written); if (wres || !_my_tls.call_signal_handler ()) break; } + len = (size_t) bytes_written; } int fhandler_base::write_overlapped (const void *ptr, size_t len) { DWORD bytes_written; - while (1) { bool res = WriteFile (get_output_handle (), ptr, len, &bytes_written, |