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/* Copyright (C) 2000 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include "config.h"
#include "drizzled/internal/my_sys.h"
#include "drizzled/internal/thread_var.h"
#include "drizzled/error.h"
#include <cerrno>
namespace drizzled
{
namespace internal
{
/* Write a chunk of bytes to a file */
size_t my_write(int Filedes, const unsigned char *Buffer, size_t Count, myf MyFlags)
{
size_t writenbytes, written;
uint32_t errors;
errors=0; written=0;
/* The behavior of write(fd, buf, 0) is not portable */
if (unlikely(!Count))
return(0);
for (;;)
{
if ((writenbytes= write(Filedes, Buffer, Count)) == Count)
break;
if (writenbytes != (size_t) -1)
{ /* Safeguard */
written+=writenbytes;
Buffer+=writenbytes;
Count-=writenbytes;
}
errno=errno;
if (MyFlags & (MY_NABP | MY_FNABP))
{
if (MyFlags & (MY_WME | MY_FAE | MY_FNABP))
{
my_error(EE_WRITE, MYF(ME_BELL+ME_WAITTANG),
"unknown", errno);
}
return(MY_FILE_ERROR); /* Error on read */
}
else
break; /* Return bytes written */
}
if (MyFlags & (MY_NABP | MY_FNABP))
return(0); /* Want only errors */
return(writenbytes+written);
} /* my_write */
} /* namespace internal */
} /* namespace drizzled */
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