1 files changed, 72 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/string/strhash1.cpp b/src/VBox/Runtime/common/string/strhash1.cpp
new file mode 100644
index 00000000..cdec08d4
--- /dev/null
+++ b/src/VBox/Runtime/common/string/strhash1.cpp
@@ -0,0 +1,72 @@
+/* $Id: strhash1.cpp $ */
+/** @file
+ * IPRT - String Hashing by Algorithm \#1.
+ */
+
+/*
+ * Copyright (C) 2012-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE 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.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include "internal/iprt.h"
+#include <iprt/string.h>
+
+#include "internal/strhash.h"
+
+
+RTDECL(uint32_t)    RTStrHash1(const char *pszString)
+{
+    size_t cchIgnored;
+    return sdbm(pszString, &cchIgnored);
+}
+
+
+RTDECL(uint32_t)    RTStrHash1N(const char *pszString, size_t cchString)
+{
+    size_t cchIgnored;
+    return sdbmN(pszString, cchString, &cchIgnored);
+}
+
+
+RTDECL(uint32_t)    RTStrHash1ExN(size_t cPairs, ...)
+{
+    va_list va;
+    va_start(va, cPairs);
+    uint32_t uHash = RTStrHash1ExNV(cPairs, va);
+    va_end(va);
+    return uHash;
+}
+
+
+RTDECL(uint32_t)    RTStrHash1ExNV(size_t cPairs, va_list va)
+{
+    uint32_t uHash = 0;
+    for (uint32_t i = 0; i < cPairs; i++)
+    {
+        const char *psz = va_arg(va, const char *);
+        size_t      cch = va_arg(va, size_t);
+        uHash += sdbmIncN(psz, cch, uHash);
+    }
+    return uHash;
+}
+