#include "mysys_priv.h"
#include "mysys_err.h"
#include <errno.h>
uint my_write(int Filedes, const byte *Buffer, uint Count, myf MyFlags)
{
uint writenbytes,errors;
ulong written;
DBUG_ENTER("my_write");
DBUG_PRINT("my",("Fd: %d Buffer: %lx Count: %d MyFlags: %d",
Filedes, Buffer, Count, MyFlags));
errors=0; written=0L;
for (;;)
{
if ((writenbytes = (uint) write(Filedes, Buffer, Count)) == Count)
break;
if ((int) writenbytes != -1)
{
written+=writenbytes;
Buffer+=writenbytes;
Count-=writenbytes;
}
my_errno=errno;
DBUG_PRINT("error",("Write only %d bytes, error: %d",
writenbytes,my_errno));
#ifndef NO_BACKGROUND
#ifdef THREAD
if (my_thread_var->abort)
MyFlags&= ~ MY_WAIT_IF_FULL;
#endif
if (my_errno == ENOSPC && (MyFlags & MY_WAIT_IF_FULL) &&
(uint) writenbytes != (uint) -1)
{
if (!(errors++ % MY_WAIT_GIVE_USER_A_MESSAGE))
my_error(EE_DISK_FULL,MYF(ME_BELL | ME_NOREFRESH),
my_filename(Filedes));
VOID(sleep(MY_WAIT_FOR_USER_TO_FIX_PANIC));
continue;
}
if (!writenbytes)
{
if (my_errno == EINTR)
continue;
if (!errors++)
{
errno=EFBIG;
continue;
}
}
else if ((uint) writenbytes != (uint) -1)
continue;
#endif
if (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),my_errno);
}
DBUG_RETURN(MY_FILE_ERROR);
}
else
break;
}
if (MyFlags & (MY_NABP | MY_FNABP))
DBUG_RETURN(0);
DBUG_RETURN(writenbytes+written);
}