1 files changed, 62 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/string/RTStrNCmp.cpp b/src/VBox/Runtime/common/string/RTStrNCmp.cpp
new file mode 100644
index 00000000..f80c7d19
--- /dev/null
+++ b/src/VBox/Runtime/common/string/RTStrNCmp.cpp
@@ -0,0 +1,62 @@
+/* $Id: RTStrNCmp.cpp $ */
+/** @file
+ * IPRT - RTStrNCmp.
+ */
+
+/*
+ * Copyright (C) 2006-2020 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>
+#include "internal/iprt.h"
+
+
+RTDECL(int) RTStrNCmp(const char *psz1, const char *psz2, size_t cchMax)
+{
+    if (psz1 == psz2)
+        return 0;
+    if (!psz1)
+        return -1;
+    if (!psz2)
+        return 1;
+
+#ifdef RT_OS_SOLARIS
+    /* Solaris: tstUtf8 found to fail for some RTSTR_MAX on testboxsh1:
+       solaris.amd64 v5.10 (Generic_142901-12 (Assembled 30 March 2009)). */
+    while (cchMax-- > 0)
+    {
+        char ch1 = *psz1++;
+        char ch2 = *psz2++;
+        if (ch1 != ch2)
+            return ch1 > ch2 ? 1 : -1;
+        else if (ch1 == 0)
+            break;
+    }
+    return 0;
+#else
+    return strncmp(psz1, psz2, cchMax);
+#endif
+}
+RT_EXPORT_SYMBOL(RTStrNCmp);
+