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Diffstat (limited to 'src/VBox/Runtime/common/string/RTUtf16PrintHexBytes.cpp')
-rw-r--r--src/VBox/Runtime/common/string/RTUtf16PrintHexBytes.cpp61
1 files changed, 61 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/string/RTUtf16PrintHexBytes.cpp b/src/VBox/Runtime/common/string/RTUtf16PrintHexBytes.cpp
new file mode 100644
index 00000000..361a2822
--- /dev/null
+++ b/src/VBox/Runtime/common/string/RTUtf16PrintHexBytes.cpp
@@ -0,0 +1,61 @@
+/* $Id: RTUtf16PrintHexBytes.cpp $ */
+/** @file
+ * IPRT - RTUtf16PrintHexBytes.
+ */
+
+/*
+ * Copyright (C) 2009-2020 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/utf16.h>
+#include "internal/iprt.h"
+
+#include <iprt/assert.h>
+#include <iprt/errcore.h>
+
+
+RTDECL(int) RTUtf16PrintHexBytes(PRTUTF16 pwszBuf, size_t cwcBuf, void const *pv, size_t cb, uint32_t fFlags)
+{
+ AssertReturn(!(fFlags & ~RTSTRPRINTHEXBYTES_F_UPPER), VERR_INVALID_PARAMETER);
+ AssertPtrReturn(pwszBuf, VERR_INVALID_POINTER);
+ AssertReturn(cb * 2 >= cb, VERR_BUFFER_OVERFLOW);
+ AssertReturn(cwcBuf >= cb * 2 + 1, VERR_BUFFER_OVERFLOW);
+ if (cb)
+ AssertPtrReturn(pv, VERR_INVALID_POINTER);
+
+ static char const s_szHexDigitsLower[17] = "0123456789abcdef";
+ static char const s_szHexDigitsUpper[17] = "0123456789ABCDEF";
+ const char *pszHexDigits = !(fFlags & RTSTRPRINTHEXBYTES_F_UPPER) ? s_szHexDigitsLower : s_szHexDigitsUpper;
+
+ uint8_t const *pb = (uint8_t const *)pv;
+ while (cb-- > 0)
+ {
+ uint8_t b = *pb++;
+ *pwszBuf++ = pszHexDigits[b >> 4];
+ *pwszBuf++ = pszHexDigits[b & 0xf];
+ }
+ *pwszBuf = '\0';
+ return VINF_SUCCESS;
+}
+