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/* Copyright (c) 2000, 2006, 2007 MySQL AB, 2009 Sun Microsystems, Inc.
Use is subject to license terms.
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 02110-1335 USA */
/* Quicker interface to read & write. Used with my_nosys.h */
#include "mysys_priv.h"
#include "my_nosys.h"
#ifdef _WIN32
extern size_t my_win_read(File Filedes,uchar *Buffer,size_t Count);
#endif
size_t my_quick_read(File Filedes,uchar *Buffer,size_t Count,myf MyFlags)
{
size_t readbytes;
#ifdef _WIN32
readbytes= my_win_read(Filedes, Buffer, Count);
#else
readbytes= read(Filedes, Buffer, Count);
#endif
if(readbytes != Count)
{
#ifndef DBUG_OFF
if ((readbytes == 0 || readbytes == (size_t) -1) && errno == EINTR)
{
DBUG_PRINT("error", ("my_quick_read() was interrupted and returned %d"
". This function does not retry the read!",
(int) readbytes));
}
#endif
my_errno=errno;
return readbytes;
}
return (MyFlags & (MY_NABP | MY_FNABP)) ? 0 : readbytes;
}
size_t my_quick_write(File Filedes, const uchar *Buffer, size_t Count)
{
#ifdef _WIN32
return my_win_write(Filedes, Buffer, Count);
#else
#ifndef DBUG_OFF
size_t writtenbytes;
#endif
if ((
#ifndef DBUG_OFF
writtenbytes =
#endif
(size_t) write(Filedes,Buffer,Count)) != Count)
{
#ifndef DBUG_OFF
if ((writtenbytes == 0 || writtenbytes == (size_t) -1) && errno == EINTR)
{
DBUG_PRINT("error", ("my_quick_write() was interrupted and returned %d"
". This function does not retry the write!",
(int) writtenbytes));
}
#endif
my_errno=errno;
return (size_t) -1;
}
return 0;
#endif
}
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