1 files changed, 80 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/sort/nocrt-bsearch.cpp b/src/VBox/Runtime/common/sort/nocrt-bsearch.cpp
new file mode 100644
index 00000000..746764d1
--- /dev/null
+++ b/src/VBox/Runtime/common/sort/nocrt-bsearch.cpp
@@ -0,0 +1,80 @@
+/* $Id: nocrt-bsearch.cpp $ */
+/** @file
+ * IPRT - No-CRT - bsearch().
+ */
+
+/*
+ * Copyright (C) 2022-2023 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                                                                                                                 *
+*********************************************************************************************************************************/
+#define IPRT_NO_CRT_FOR_3RD_PARTY
+#include "internal/nocrt.h"
+#include <iprt/nocrt/stdlib.h>
+
+
+void *RT_NOCRT(bsearch)(const void *pvKey, const void *pvBase, size_t cEntries, size_t cbEntry,
+                        int (*pfnCompare)(const void *pvKey, const void *pvEntry))
+{
+    if (cEntries > 0)
+    { /* likely */ }
+    else
+        return NULL;
+
+    size_t iStart = 0;
+    size_t iEnd   = cEntries;
+    for (;;)
+    {
+        size_t const        i       = (iEnd - iStart) / 2 + iStart;
+        const void * const  pvEntry = (const char *)pvBase + cbEntry * i;
+        int const           iDiff   = pfnCompare(pvKey, pvEntry);
+        if (iDiff > 0)       /* target is before i */
+        {
+            if (i > iStart)
+                iEnd = i;
+            else
+                return NULL;
+        }
+        else if (iDiff)      /* target is after i */
+        {
+            if (i + 1 < iEnd)
+                iStart = i + 1;
+            else
+                return NULL;
+        }
+        else                /* match */
+            return (void *)pvEntry;
+    }
+}
+RT_ALIAS_AND_EXPORT_NOCRT_SYMBOL(bsearch);
+