[PATCH 1/4] ntdll: Set Buffer before calling RtlExpandEnvironmentStrings_U() (Valgrind).

[Sven Baars]

From: Sven Baars

---
 dlls/ntdll/reg.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/ntdll/reg.c b/dlls/ntdll/reg.c
index ccf83d59c28..0834e221fbc 100644
--- a/dlls/ntdll/reg.c
+++ b/dlls/ntdll/reg.c
@@ -311,6 +311,7 @@ static NTSTATUS RTL_ReportRegistryValue(PKEY_VALUE_FULL_INFORMATION pInfo,
                 RtlInitUnicodeString(&src, data);
                 res = 0;
                 dst.MaximumLength = 0;
+                dst.Buffer = NULL;
                 RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
                 if (str->MaximumLength < res)
                     return STATUS_BUFFER_TOO_SMALL;
@@ -379,6 +380,7 @@ static NTSTATUS RTL_ReportRegistryValue(PKEY_VALUE_FULL_INFORMATION pInfo,
             RtlInitUnicodeString(&src, data);
             res = 0;
             dst.MaximumLength = 0;
+            dst.Buffer = NULL;
             RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
             dst.Length = 0;
             dst.MaximumLength = res;