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45 lines
961 B
C
45 lines
961 B
C
/* $Id: safeobj.c,v 1.4 2002/10/29 04:45:33 rex Exp $
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*/
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS POSIX+ Subsystem
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* FILE: subsys/psx/lib/psxdll/misc/safeobj.c
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* PURPOSE: safe checking of user-provided objects
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* PROGRAMMER: KJK::Hyperion <noog@libero.it>
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* UPDATE HISTORY:
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* 09/01/2002: Created
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*/
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#include <psx/safeobj.h>
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#include <psx/debug.h>
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int __safeobj_validate(void *obj, __magic_t refsignature)
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{
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if(obj == 0)
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return (0);
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else
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{
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/* cast the object to a magic number */
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__magic_t mSignature = *((__magic_t *)obj);
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ERRIF
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(
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mSignature != refsignature,
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"invalid object at %X: signature is \"%c%c%c%c\", should be \"%c%c%c%c\"",
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obj,
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MAGIC_DECOMPOSE(refsignature),
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MAGIC_DECOMPOSE(mSignature)
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);
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if(mSignature == refsignature)
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/* signatures match: ok */
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return (-1);
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else
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/* signatures mismatch: fail */
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return (0);
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}
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}
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/* EOF */
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