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65 lines
2 KiB
C
65 lines
2 KiB
C
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA */
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#ifdef SAFEMALLOC /* We don't need SAFEMALLOC here */
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#undef SAFEMALLOC
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#endif
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#include "mysys_priv.h"
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#include "mysys_err.h"
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/* My memory re allocator */
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gptr my_realloc(gptr oldpoint, uint Size, myf MyFlags)
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{
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gptr point;
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DBUG_ENTER("my_realloc");
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DBUG_PRINT("my",("ptr: %lx Size: %u MyFlags: %d",oldpoint, Size, MyFlags));
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if (!oldpoint && (MyFlags & MY_ALLOW_ZERO_PTR))
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DBUG_RETURN(my_malloc(Size,MyFlags));
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#ifdef USE_HALLOC
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if (!(point = malloc(Size)))
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{
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if (MyFlags & MY_FREE_ON_ERROR)
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my_free(oldpoint,MyFlags);
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if (MyFlags & MY_HOLD_ON_ERROR)
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DBUG_RETURN(oldpoint);
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my_errno=errno;
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if (MyFlags & MY_FAE+MY_WME)
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my_error(EE_OUTOFMEMORY, MYF(ME_BELL+ME_WAITTANG),Size);
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}
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else
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{
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memcpy(point,oldpoint,Size);
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free(oldpoint);
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}
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#else
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if ((point = realloc(oldpoint,Size)) == NULL)
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{
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if (MyFlags & MY_FREE_ON_ERROR)
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my_free(oldpoint,MyFLAGS);
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if (MyFlags & MY_HOLD_ON_ERROR)
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DBUG_RETURN(oldpoint);
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my_errno=errno;
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if (MyFlags & (MY_FAE+MY_WME))
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my_error(EE_OUTOFMEMORY, MYF(ME_BELL+ME_WAITTANG), Size);
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}
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#endif
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DBUG_PRINT("exit",("ptr: %lx",point));
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DBUG_RETURN(point);
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} /* my_realloc */
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