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a2dbb10eb1
bug fixes and other maintenance-oriented changes.
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
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This file is public domain and comes with NO WARRANTY of any kind */
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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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