1 files changed, 94 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/checksum/manifest-file.cpp b/src/VBox/Runtime/common/checksum/manifest-file.cpp
new file mode 100644
index 00000000..1de0a71d
--- /dev/null
+++ b/src/VBox/Runtime/common/checksum/manifest-file.cpp
@@ -0,0 +1,94 @@
+/* $Id: manifest-file.cpp $ */
+/** @file
+ * IPRT - Manifest, the bits with file dependencies
+ */
+
+/*
+ * Copyright (C) 2010-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include "internal/iprt.h"
+#include <iprt/manifest.h>
+
+#include <iprt/asm.h>
+#include <iprt/assert.h>
+#include <iprt/errcore.h>
+#include <iprt/file.h>
+#include <iprt/mem.h>
+#include <iprt/string.h>
+#include <iprt/vfs.h>
+
+#include "internal/magics.h"
+
+
+
+RTDECL(int) RTManifestReadStandardFromFile(RTMANIFEST hManifest, const char *pszFilename)
+{
+    RTFILE      hFile;
+    uint32_t    fFlags = RTFILE_O_READ | RTFILE_O_DENY_WRITE | RTFILE_O_OPEN;
+    int rc = RTFileOpen(&hFile, pszFilename, fFlags);
+    if (RT_SUCCESS(rc))
+    {
+        RTVFSIOSTREAM hVfsIos;
+        rc = RTVfsIoStrmFromRTFile(hFile, fFlags, true /*fLeaveOpen*/, &hVfsIos);
+        if (RT_SUCCESS(rc))
+        {
+            rc = RTManifestReadStandard(hManifest, hVfsIos);
+            RTVfsIoStrmRelease(hVfsIos);
+        }
+        RTFileClose(hFile);
+    }
+    return rc;
+}
+
+
+RTDECL(int) RTManifestWriteStandardToFile(RTMANIFEST hManifest, const char *pszFilename)
+{
+    RTFILE      hFile;
+    uint32_t    fFlags = RTFILE_O_WRITE | RTFILE_O_DENY_WRITE | RTFILE_O_CREATE_REPLACE;
+    int rc = RTFileOpen(&hFile, pszFilename, fFlags);
+    if (RT_SUCCESS(rc))
+    {
+        RTVFSIOSTREAM hVfsIos;
+        rc = RTVfsIoStrmFromRTFile(hFile, fFlags, true /*fLeaveOpen*/, &hVfsIos);
+        if (RT_SUCCESS(rc))
+        {
+            rc = RTManifestWriteStandard(hManifest, hVfsIos);
+            RTVfsIoStrmRelease(hVfsIos);
+        }
+        RTFileClose(hFile);
+    }
+    return rc;
+}
+