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Fixed ProbeForRead* macros: make sure the data always is read while probing it

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svn path=/trunk/; revision=18817
This commit is contained in:
Thomas Bluemel
2005-10-27 23:48:22 +00:00
parent 7c0b5680c1
commit 4a3213bf1a
1 changed files with 1 additions and 2 deletions
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reactos/ntoskrnl/include/internal/ntoskrnl.h
+1 -2
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@@ -134,7 +134,6 @@ ProbeAndCaptureUnicodeString(OUT PUNICODE_STRING Dest,
else
{
/* sanitize structure */
Dest->Length = 0;
Dest->MaximumLength = 0;
Dest->Buffer = NULL;
}
@@ -209,7 +208,7 @@ ReleaseCapturedUnicodeString(IN PUNICODE_STRING CapturedString,
(((ULONG_PTR)(Ptr) + sizeof(Type) - 1 < (ULONG_PTR)(Ptr) || \
(ULONG_PTR)(Ptr) + sizeof(Type) - 1 >= (ULONG_PTR)MmUserProbeAddress) ? \
ExRaiseStatus (STATUS_ACCESS_VIOLATION), Default : \
*(Type *)(Ptr))
*(volatile Type *)(Ptr))
#define ProbeForReadBoolean(Ptr) ProbeForReadGenericType(Ptr, BOOLEAN, FALSE)
#define ProbeForReadUchar(Ptr) ProbeForReadGenericType(Ptr, UCHAR, 0)