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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
commit | f8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch) | |
tree | 26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/VBox/Runtime/common/string/RTStrPrintHexBytes.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-upstream.tar.xz virtualbox-upstream.zip |
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/VBox/Runtime/common/string/RTStrPrintHexBytes.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/string/RTStrPrintHexBytes.cpp b/src/VBox/Runtime/common/string/RTStrPrintHexBytes.cpp new file mode 100644 index 00000000..2920f7e9 --- /dev/null +++ b/src/VBox/Runtime/common/string/RTStrPrintHexBytes.cpp @@ -0,0 +1,85 @@ +/* $Id: RTStrPrintHexBytes.cpp $ */ +/** @file + * IPRT - RTStrPrintHexBytes. + */ + +/* + * Copyright (C) 2009-2019 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 <iprt/assert.h> +#include <iprt/errcore.h> + + +RTDECL(int) RTStrPrintHexBytes(char *pszBuf, size_t cbBuf, void const *pv, size_t cb, uint32_t fFlags) +{ + AssertReturn( !(fFlags & ~(RTSTRPRINTHEXBYTES_F_UPPER | RTSTRPRINTHEXBYTES_F_SEP_SPACE | RTSTRPRINTHEXBYTES_F_SEP_COLON)) + && (fFlags & (RTSTRPRINTHEXBYTES_F_SEP_SPACE | RTSTRPRINTHEXBYTES_F_SEP_COLON)) + != (RTSTRPRINTHEXBYTES_F_SEP_SPACE | RTSTRPRINTHEXBYTES_F_SEP_COLON), + VERR_INVALID_FLAGS); + AssertPtrReturn(pszBuf, VERR_INVALID_POINTER); + AssertReturn(cb * 2 >= cb, VERR_BUFFER_OVERFLOW); + char const chSep = fFlags & RTSTRPRINTHEXBYTES_F_SEP_SPACE ? ' ' + : fFlags & RTSTRPRINTHEXBYTES_F_SEP_COLON ? ':' : '\0'; + AssertReturn(cbBuf >= cb * (2 + (chSep != '\0')) - (chSep != '\0') + 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; + + if (!chSep) + { + while (cb-- > 0) + { + uint8_t b = *pb++; + *pszBuf++ = pszHexDigits[b >> 4]; + *pszBuf++ = pszHexDigits[b & 0xf]; + } + } + else if (cb-- > 0) + { + uint8_t b = *pb++; + *pszBuf++ = pszHexDigits[b >> 4]; + *pszBuf++ = pszHexDigits[b & 0xf]; + + while (cb-- > 0) + { + b = *pb++; + *pszBuf++ = chSep; + *pszBuf++ = pszHexDigits[b >> 4]; + *pszBuf++ = pszHexDigits[b & 0xf]; + } + } + + *pszBuf = '\0'; + return VINF_SUCCESS; +} + |