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Fixed a wrong length check in RtlAnsiStringToUnicodeString()/RtlOemStringToUnicodeString().

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svn path=/trunk/; revision=2814
This commit is contained in:
Hartmut Birr 2002-04-01 22:13:15 +00:00
parent 0bdd211873
commit 9e6b238365
2 changed files with 20 additions and 6 deletions
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14
reactos/lib/ntdll/rtl/unicode.c
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@ -1,4 +1,4 @@
/* $Id: unicode.c,v 1.19 2002/02/09 23:29:50 ekohl Exp $
/* $Id: unicode.c,v 1.20 2002/04/01 22:13:15 hbirr Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -14,6 +14,8 @@
//#include <internal/nls.h>
#include <ctype.h>
#include <ntos/minmax.h>
#define NDEBUG
#include <ntdll/ntdll.h>
/* FUNCTIONS *****************************************************************/
@ -88,8 +90,11 @@ RtlAnsiStringToUnicodeString(
}
else
{
if (Length >= DestinationString->MaximumLength)
if (Length + sizeof(WCHAR) > DestinationString->MaximumLength)
{
DPRINT("STATUS_BUFFER_TOO_SMALL\n");
return STATUS_BUFFER_TOO_SMALL;
}
}
DestinationString->Length = Length;
@ -988,8 +993,11 @@ RtlOemStringToUnicodeString (
}
else
{
if (Length > DestinationString->MaximumLength)
if (Length + sizeof(WCHAR) > DestinationString->MaximumLength)
{
DPRINT("STATUS_BUFFER_TOO_SMALL\n");
return STATUS_BUFFER_TOO_SMALL;
}
}
DestinationString->Length = Length;

12
reactos/ntoskrnl/rtl/unicode.c
View file

@ -1,4 +1,4 @@
/* $Id: unicode.c,v 1.20 2002/02/09 23:29:12 ekohl Exp $
/* $Id: unicode.c,v 1.21 2002/04/01 22:13:15 hbirr Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -88,8 +88,11 @@ RtlAnsiStringToUnicodeString(IN OUT PUNICODE_STRING DestinationString,
}
else
{
if (Length > DestinationString->MaximumLength)
if (Length + sizeof(WCHAR) > DestinationString->MaximumLength)
{
DPRINT("STATUS_BUFFER_TOO_SMALL\n");
return STATUS_BUFFER_TOO_SMALL;
}
}
DestinationString->Length = Length;
@ -868,8 +871,11 @@ RtlOemStringToUnicodeString(IN OUT PUNICODE_STRING DestinationString,
}
else
{
if (Length >= DestinationString->MaximumLength)
if (Length + sizeof(WCHAR) > DestinationString->MaximumLength)
{
DPRINT("STATUS_BUFFER_TOO_SMALL\n");
return STATUS_BUFFER_TOO_SMALL;
}
}
DestinationString->Length = Length;