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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; either version 2 of the License, or
(at your option) any later version.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifdef SAFEMALLOC /* We don't need SAFEMALLOC here */
#undef SAFEMALLOC
#endif
#include "mysys_priv.h"
#include "mysys_err.h"
/* My memory re allocator */
gptr my_realloc(gptr oldpoint, uint size, myf my_flags)
{
gptr point;
DBUG_ENTER("my_realloc");
DBUG_PRINT("my",("ptr: 0x%lx size: %u my_flags: %d", (long) oldpoint, size,
my_flags));
if (!oldpoint && (my_flags & MY_ALLOW_ZERO_PTR))
DBUG_RETURN(my_malloc(size,my_flags));
#ifdef USE_HALLOC
if (!(point = malloc(size)))
{
if (my_flags & MY_FREE_ON_ERROR)
my_free(oldpoint,my_flags);
if (my_flags & MY_HOLD_ON_ERROR)
DBUG_RETURN(oldpoint);
my_errno=errno;
if (my_flags & MY_FAE+MY_WME)
my_error(EE_OUTOFMEMORY, MYF(ME_BELL+ME_WAITTANG),size);
}
else
{
memcpy(point,oldpoint,size);
free(oldpoint);
}
#else
if ((point = (char*)realloc(oldpoint,size)) == NULL)
{
if (my_flags & MY_FREE_ON_ERROR)
my_free(oldpoint, my_flags);
if (my_flags & MY_HOLD_ON_ERROR)
DBUG_RETURN(oldpoint);
my_errno=errno;
if (my_flags & (MY_FAE+MY_WME))
my_error(EE_OUTOFMEMORY, MYF(ME_BELL+ME_WAITTANG), size);
}
#endif
DBUG_PRINT("exit",("ptr: 0x%lx", (long) point));
DBUG_RETURN(point);
} /* my_realloc */
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