1 files changed, 63 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/string/memchr.cpp b/src/VBox/Runtime/common/string/memchr.cpp
new file mode 100644
index 00000000..551253ea
--- /dev/null
+++ b/src/VBox/Runtime/common/string/memchr.cpp
@@ -0,0 +1,63 @@
+/* $Id: memchr.cpp $ */
+/** @file
+ * IPRT - CRT Strings, memcpy().
+ */
+
+/*
+ * Copyright (C) 2006-2019 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 <iprt/string.h>
+
+
+/**
+ * Search a memory block for a character.
+ *
+ * @returns Pointer to the first instance of ch in pv.
+ * @returns NULL if ch wasn't found.
+ * @param   pv          Pointer to the block to search.
+ * @param   ch          The character to search for.
+ * @param   cb          The size of the block.
+ */
+#ifdef _MSC_VER /* Silly 'safeness' from MS. */
+# if _MSC_VER >= 1400
+_CRTIMP __checkReturn _CONST_RETURN void *  __cdecl memchr( __in_bcount_opt(_MaxCount) const void * pv, __in int ch, __in size_t cb)
+# else
+void *memchr(const void *pv, int ch, size_t cb)
+# endif
+#else
+void *memchr(const void *pv, int ch, size_t cb)
+#endif
+{
+    register uint8_t const *pu8 = (uint8_t const *)pv;
+    register size_t cb2 = cb;
+    while (cb2-- > 0)
+    {
+        if (*pu8 == ch)
+            return (void *)pu8;
+        pu8++;
+    }
+    return NULL;
+}
+