[reactos] 03/03: [CMLIB] Assign a signature to the in-memory HHIVE registry hive structure. CORE-15753

[Hermès Bélusca-Maïto]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=3ddf59e1ed62a55f4d4f32...

commit 3ddf59e1ed62a55f4d4f327eadda91a9a958bc49
Author:     Hermès Bélusca-Maïto [e-mail]
AuthorDate: Sun Feb 17 01:10:27 2019 +0100
Commit:     Hermès Bélusca-Maïto [e-mail]
CommitDate: Sun Feb 17 01:21:37 2019 +0100

[CMLIB] Assign a signature to the in-memory HHIVE registry hive structure. CORE-15753

Makes the `!reg hivelist` WinDbg command working in ReactOS.

Dedicated to Mark Jansen.

See for more details:
    https://webcache.googleusercontent.com/search?q=cache:fmHJX9eFGkkJ:https://b...
    and
    http://moyix.blogspot.com/2008/02/enumerating-registry-hives.html
---
 sdk/lib/cmlib/hivedata.h | 1 +
 sdk/lib/cmlib/hiveinit.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/sdk/lib/cmlib/hivedata.h b/sdk/lib/cmlib/hivedata.h
index 1c180a6da4..39d617ccbd 100644
--- a/sdk/lib/cmlib/hivedata.h
+++ b/sdk/lib/cmlib/hivedata.h
@@ -47,6 +47,7 @@
 //
 // Hive structure identifiers
 //
+#define HV_HHIVE_SIGNATURE              0xbee0bee0
 #define HV_HBLOCK_SIGNATURE             0x66676572  // "regf"
 #define HV_HBIN_SIGNATURE               0x6e696268  // "hbin"

diff --git a/sdk/lib/cmlib/hiveinit.c b/sdk/lib/cmlib/hiveinit.c
index 297ae36037..fcbbe08961 100644
--- a/sdk/lib/cmlib/hiveinit.c
+++ b/sdk/lib/cmlib/hiveinit.c
@@ -542,6 +542,7 @@ HvInitialize(
      */

RtlZeroMemory(Hive, sizeof(HHIVE));
+    Hive->Signature = HV_HHIVE_SIGNATURE;

Hive->Allocate = Allocate;
     Hive->Free = Free;