my_lwrite.c
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:2k
- /* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA */
- #include "mysys_priv.h"
- #include "mysys_err.h"
- /* Write a chunk of bytes to a file */
- uint32 my_lwrite(int Filedes, const byte *Buffer, uint32 Count, myf MyFlags)
- {
- uint32 writenbytes;
- DBUG_ENTER("my_lwrite");
- DBUG_PRINT("my",("Fd: %d Buffer: %lx Count: %ld MyFlags: %d",
- Filedes, Buffer, Count, MyFlags));
- /* Temp hack to get count to int32 while write wants int */
- if ((writenbytes = (uint32) write(Filedes, Buffer, (uint) Count)) != Count)
- {
- my_errno=errno;
- if (writenbytes == (uint32) -1 || MyFlags & (MY_NABP | MY_FNABP))
- {
- if (MyFlags & (MY_WME | MY_FAE | MY_FNABP))
- {
- my_error(EE_WRITE, MYF(ME_BELL+ME_WAITTANG),
- my_filename(Filedes),errno);
- }
- DBUG_RETURN((uint32) -1); /* Return med felkod */
- }
- }
- if (MyFlags & (MY_NABP | MY_FNABP))
- DBUG_RETURN(0); /* Ok vid l{sning */
- DBUG_RETURN(writenbytes);
- } /* my_lwrite */