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Use *NameLength before overwriting it

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svn path=/trunk/; revision=8429
This commit is contained in:
Gé van Geldorp 2004-02-27 23:11:32 +00:00
parent 9187c6f654
commit 82cff84c9a
1 changed files with 3 additions and 2 deletions
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5
reactos/ntoskrnl/rtl/atom.c
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@ -1,4 +1,4 @@
/* $Id: atom.c,v 1.8 2003/12/07 10:31:21 navaraf Exp $
/* $Id: atom.c,v 1.9 2004/02/27 23:11:32 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -641,13 +641,14 @@ RtlQueryAtomInAtomTable(IN PRTL_ATOM_TABLE AtomTable,
if (NameLength != NULL)
{
*NameLength = AtomEntry->Name.Length;
if (AtomName != NULL && *NameLength >= AtomEntry->Name.Length)
{
*NameLength = AtomEntry->Name.Length;
memcpy(AtomName, AtomEntry->Name.Buffer, AtomEntry->Name.Length);
}
else
{
*NameLength = AtomEntry->Name.Length;
RtlpUnlockAtomTable(AtomTable);
return STATUS_BUFFER_TOO_SMALL;
}