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-rw-r--r--src/VBox/Runtime/generic/uuid-generic.cpp522
1 files changed, 522 insertions, 0 deletions
diff --git a/src/VBox/Runtime/generic/uuid-generic.cpp b/src/VBox/Runtime/generic/uuid-generic.cpp
new file mode 100644
index 00000000..78340f5d
--- /dev/null
+++ b/src/VBox/Runtime/generic/uuid-generic.cpp
@@ -0,0 +1,522 @@
+/* $Id: uuid-generic.cpp $ */
+/** @file
+ * IPRT - UUID, Generic.
+ */
+
+/*
+ * 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/uuid.h>
+#include "internal/iprt.h"
+
+#include <iprt/assert.h>
+#include <iprt/err.h>
+#include <iprt/asm.h>
+
+
+/*********************************************************************************************************************************
+* Global Variables *
+*********************************************************************************************************************************/
+/** Conversion table used by the conversion functions.
+ * 0xff if not a hex number, otherwise the value. */
+static const uint8_t g_au8Digits[256] =
+{
+ 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* 0..0f */
+ 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* 10..1f */
+ 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* 20..2f */
+ 0x00,0x01,0x02,0x03, 0x04,0x05,0x06,0x07, 0x08,0x09,0xff,0xff, 0xff,0xff,0xff,0xff, /* 30..3f */
+ 0xff,0x0a,0x0b,0x0c, 0x0d,0x0e,0x0f,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* 40..4f */
+ 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* 50..5f */
+ 0xff,0x0a,0x0b,0x0c, 0x0d,0x0e,0x0f,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* 60..6f */
+ 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* 70..7f */
+ 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* 80..8f */
+ 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* 90..9f */
+ 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* a0..af */
+ 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* b0..bf */
+ 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* c0..cf */
+ 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* d0..df */
+ 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* e0..ef */
+ 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff, /* f0..ff */
+};
+/** Conversion to string. */
+static const char g_achDigits[17] = "0123456789abcdef";
+
+
+
+/* WARNING: This implementation ASSUMES little endian. Does not work on big endian! */
+
+/* Remember, the time fields in the UUID must be little endian. */
+
+
+RTDECL(int) RTUuidClear(PRTUUID pUuid)
+{
+ AssertPtrReturn(pUuid, VERR_INVALID_PARAMETER);
+ pUuid->au64[0] = 0;
+ pUuid->au64[1] = 0;
+ return VINF_SUCCESS;
+}
+RT_EXPORT_SYMBOL(RTUuidClear);
+
+
+RTDECL(bool) RTUuidIsNull(PCRTUUID pUuid)
+{
+ AssertPtrReturn(pUuid, true);
+ return !pUuid->au64[0]
+ && !pUuid->au64[1];
+}
+RT_EXPORT_SYMBOL(RTUuidIsNull);
+
+
+RTDECL(int) RTUuidCompare(PCRTUUID pUuid1, PCRTUUID pUuid2)
+{
+ /*
+ * Special cases.
+ */
+ if (pUuid1 == pUuid2)
+ return 0;
+ if (!pUuid1)
+ return RTUuidIsNull(pUuid2) ? 0 : -1;
+ if (!pUuid2)
+ return RTUuidIsNull(pUuid1) ? 0 : 1;
+ AssertPtrReturn(pUuid1, -1);
+ AssertPtrReturn(pUuid2, 1);
+
+ /*
+ * Standard cases.
+ */
+ if (pUuid1->Gen.u32TimeLow != pUuid2->Gen.u32TimeLow)
+ return pUuid1->Gen.u32TimeLow < pUuid2->Gen.u32TimeLow ? -1 : 1;
+ if (pUuid1->Gen.u16TimeMid != pUuid2->Gen.u16TimeMid)
+ return pUuid1->Gen.u16TimeMid < pUuid2->Gen.u16TimeMid ? -1 : 1;
+ if (pUuid1->Gen.u16TimeHiAndVersion != pUuid2->Gen.u16TimeHiAndVersion)
+ return pUuid1->Gen.u16TimeHiAndVersion < pUuid2->Gen.u16TimeHiAndVersion ? -1 : 1;
+ if (pUuid1->Gen.u8ClockSeqHiAndReserved != pUuid2->Gen.u8ClockSeqHiAndReserved)
+ return pUuid1->Gen.u8ClockSeqHiAndReserved < pUuid2->Gen.u8ClockSeqHiAndReserved ? -1 : 1;
+ if (pUuid1->Gen.u8ClockSeqLow != pUuid2->Gen.u8ClockSeqLow)
+ return pUuid1->Gen.u8ClockSeqLow < pUuid2->Gen.u8ClockSeqLow ? -1 : 1;
+ if (pUuid1->Gen.au8Node[0] != pUuid2->Gen.au8Node[0])
+ return pUuid1->Gen.au8Node[0] < pUuid2->Gen.au8Node[0] ? -1 : 1;
+ if (pUuid1->Gen.au8Node[1] != pUuid2->Gen.au8Node[1])
+ return pUuid1->Gen.au8Node[1] < pUuid2->Gen.au8Node[1] ? -1 : 1;
+ if (pUuid1->Gen.au8Node[2] != pUuid2->Gen.au8Node[2])
+ return pUuid1->Gen.au8Node[2] < pUuid2->Gen.au8Node[2] ? -1 : 1;
+ if (pUuid1->Gen.au8Node[3] != pUuid2->Gen.au8Node[3])
+ return pUuid1->Gen.au8Node[3] < pUuid2->Gen.au8Node[3] ? -1 : 1;
+ if (pUuid1->Gen.au8Node[4] != pUuid2->Gen.au8Node[4])
+ return pUuid1->Gen.au8Node[4] < pUuid2->Gen.au8Node[4] ? -1 : 1;
+ if (pUuid1->Gen.au8Node[5] != pUuid2->Gen.au8Node[5])
+ return pUuid1->Gen.au8Node[5] < pUuid2->Gen.au8Node[5] ? -1 : 1;
+ return 0;
+}
+RT_EXPORT_SYMBOL(RTUuidCompare);
+
+
+RTDECL(int) RTUuidCompareStr(PCRTUUID pUuid1, const char *pszString2)
+{
+ RTUUID Uuid2;
+ int rc;
+
+ /* check params */
+ AssertPtrReturn(pUuid1, -1);
+ AssertPtrReturn(pszString2, 1);
+
+ /*
+ * Try convert the string to a UUID and then compare the two.
+ */
+ rc = RTUuidFromStr(&Uuid2, pszString2);
+ AssertRCReturn(rc, 1);
+
+ return RTUuidCompare(pUuid1, &Uuid2);
+}
+RT_EXPORT_SYMBOL(RTUuidCompareStr);
+
+
+RTDECL(int) RTUuidCompare2Strs(const char *pszString1, const char *pszString2)
+{
+ RTUUID Uuid1;
+ RTUUID Uuid2;
+ int rc;
+
+ /* check params */
+ AssertPtrReturn(pszString1, -1);
+ AssertPtrReturn(pszString2, 1);
+
+ /*
+ * Try convert the strings to UUIDs and then compare them.
+ */
+ rc = RTUuidFromStr(&Uuid1, pszString1);
+ AssertRCReturn(rc, -1);
+
+ rc = RTUuidFromStr(&Uuid2, pszString2);
+ AssertRCReturn(rc, 1);
+
+ return RTUuidCompare(&Uuid1, &Uuid2);
+}
+RT_EXPORT_SYMBOL(RTUuidCompare2Strs);
+
+
+RTDECL(int) RTUuidToStr(PCRTUUID pUuid, char *pszString, size_t cchString)
+{
+ uint32_t u32TimeLow;
+ unsigned u;
+
+ /* validate parameters */
+ AssertPtrReturn(pUuid, VERR_INVALID_PARAMETER);
+ AssertPtrReturn(pszString, VERR_INVALID_PARAMETER);
+ AssertReturn(cchString >= RTUUID_STR_LENGTH, VERR_INVALID_PARAMETER);
+
+ /*
+ * RTStrPrintf(,,"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ * pUuid->Gen.u32TimeLow,
+ * pUuid->Gen.u16TimeMin,
+ * pUuid->Gen.u16TimeHiAndVersion,
+ * pUuid->Gen.u16ClockSeq & 0xff,
+ * pUuid->Gen.u16ClockSeq >> 8,
+ * pUuid->Gen.au8Node[0],
+ * pUuid->Gen.au8Node[1],
+ * pUuid->Gen.au8Node[2],
+ * pUuid->Gen.au8Node[3],
+ * pUuid->Gen.au8Node[4],
+ * pUuid->Gen.au8Node[5]);
+ */
+ u32TimeLow = RT_H2LE_U32(pUuid->Gen.u32TimeLow);
+ pszString[ 0] = g_achDigits[(u32TimeLow >> 28)/*& 0xf*/];
+ pszString[ 1] = g_achDigits[(u32TimeLow >> 24) & 0xf];
+ pszString[ 2] = g_achDigits[(u32TimeLow >> 20) & 0xf];
+ pszString[ 3] = g_achDigits[(u32TimeLow >> 16) & 0xf];
+ pszString[ 4] = g_achDigits[(u32TimeLow >> 12) & 0xf];
+ pszString[ 5] = g_achDigits[(u32TimeLow >> 8) & 0xf];
+ pszString[ 6] = g_achDigits[(u32TimeLow >> 4) & 0xf];
+ pszString[ 7] = g_achDigits[(u32TimeLow/*>>0*/)& 0xf];
+ pszString[ 8] = '-';
+ u = RT_H2LE_U16(pUuid->Gen.u16TimeMid);
+ pszString[ 9] = g_achDigits[(u >> 12)/*& 0xf*/];
+ pszString[10] = g_achDigits[(u >> 8) & 0xf];
+ pszString[11] = g_achDigits[(u >> 4) & 0xf];
+ pszString[12] = g_achDigits[(u/*>>0*/)& 0xf];
+ pszString[13] = '-';
+ u = RT_H2LE_U16(pUuid->Gen.u16TimeHiAndVersion);
+ pszString[14] = g_achDigits[(u >> 12)/*& 0xf*/];
+ pszString[15] = g_achDigits[(u >> 8) & 0xf];
+ pszString[16] = g_achDigits[(u >> 4) & 0xf];
+ pszString[17] = g_achDigits[(u/*>>0*/)& 0xf];
+ pszString[18] = '-';
+ pszString[19] = g_achDigits[pUuid->Gen.u8ClockSeqHiAndReserved >> 4];
+ pszString[20] = g_achDigits[pUuid->Gen.u8ClockSeqHiAndReserved & 0xf];
+ pszString[21] = g_achDigits[pUuid->Gen.u8ClockSeqLow >> 4];
+ pszString[22] = g_achDigits[pUuid->Gen.u8ClockSeqLow & 0xf];
+ pszString[23] = '-';
+ pszString[24] = g_achDigits[pUuid->Gen.au8Node[0] >> 4];
+ pszString[25] = g_achDigits[pUuid->Gen.au8Node[0] & 0xf];
+ pszString[26] = g_achDigits[pUuid->Gen.au8Node[1] >> 4];
+ pszString[27] = g_achDigits[pUuid->Gen.au8Node[1] & 0xf];
+ pszString[28] = g_achDigits[pUuid->Gen.au8Node[2] >> 4];
+ pszString[29] = g_achDigits[pUuid->Gen.au8Node[2] & 0xf];
+ pszString[30] = g_achDigits[pUuid->Gen.au8Node[3] >> 4];
+ pszString[31] = g_achDigits[pUuid->Gen.au8Node[3] & 0xf];
+ pszString[32] = g_achDigits[pUuid->Gen.au8Node[4] >> 4];
+ pszString[33] = g_achDigits[pUuid->Gen.au8Node[4] & 0xf];
+ pszString[34] = g_achDigits[pUuid->Gen.au8Node[5] >> 4];
+ pszString[35] = g_achDigits[pUuid->Gen.au8Node[5] & 0xf];
+ pszString[36] = '\0';
+
+ return VINF_SUCCESS;
+}
+RT_EXPORT_SYMBOL(RTUuidToStr);
+
+
+RTDECL(int) RTUuidFromStr(PRTUUID pUuid, const char *pszString)
+{
+ bool fHaveBraces;
+
+ /*
+ * Validate parameters.
+ */
+ AssertPtrReturn(pUuid, VERR_INVALID_PARAMETER);
+ AssertPtrReturn(pszString, VERR_INVALID_PARAMETER);
+
+ fHaveBraces = pszString[0] == '{';
+ pszString += fHaveBraces;
+
+#define MY_CHECK(expr) do { if (RT_UNLIKELY(!(expr))) return VERR_INVALID_UUID_FORMAT; } while (0)
+#define MY_ISXDIGIT(ch) (g_au8Digits[(ch) & 0xff] != 0xff)
+ MY_CHECK(MY_ISXDIGIT(pszString[ 0]));
+ MY_CHECK(MY_ISXDIGIT(pszString[ 1]));
+ MY_CHECK(MY_ISXDIGIT(pszString[ 2]));
+ MY_CHECK(MY_ISXDIGIT(pszString[ 3]));
+ MY_CHECK(MY_ISXDIGIT(pszString[ 4]));
+ MY_CHECK(MY_ISXDIGIT(pszString[ 5]));
+ MY_CHECK(MY_ISXDIGIT(pszString[ 6]));
+ MY_CHECK(MY_ISXDIGIT(pszString[ 7]));
+ MY_CHECK(pszString[ 8] == '-');
+ MY_CHECK(MY_ISXDIGIT(pszString[ 9]));
+ MY_CHECK(MY_ISXDIGIT(pszString[10]));
+ MY_CHECK(MY_ISXDIGIT(pszString[11]));
+ MY_CHECK(MY_ISXDIGIT(pszString[12]));
+ MY_CHECK(pszString[13] == '-');
+ MY_CHECK(MY_ISXDIGIT(pszString[14]));
+ MY_CHECK(MY_ISXDIGIT(pszString[15]));
+ MY_CHECK(MY_ISXDIGIT(pszString[16]));
+ MY_CHECK(MY_ISXDIGIT(pszString[17]));
+ MY_CHECK(pszString[18] == '-');
+ MY_CHECK(MY_ISXDIGIT(pszString[19]));
+ MY_CHECK(MY_ISXDIGIT(pszString[20]));
+ MY_CHECK(MY_ISXDIGIT(pszString[21]));
+ MY_CHECK(MY_ISXDIGIT(pszString[22]));
+ MY_CHECK(pszString[23] == '-');
+ MY_CHECK(MY_ISXDIGIT(pszString[24]));
+ MY_CHECK(MY_ISXDIGIT(pszString[25]));
+ MY_CHECK(MY_ISXDIGIT(pszString[26]));
+ MY_CHECK(MY_ISXDIGIT(pszString[27]));
+ MY_CHECK(MY_ISXDIGIT(pszString[28]));
+ MY_CHECK(MY_ISXDIGIT(pszString[29]));
+ MY_CHECK(MY_ISXDIGIT(pszString[30]));
+ MY_CHECK(MY_ISXDIGIT(pszString[31]));
+ MY_CHECK(MY_ISXDIGIT(pszString[32]));
+ MY_CHECK(MY_ISXDIGIT(pszString[33]));
+ MY_CHECK(MY_ISXDIGIT(pszString[34]));
+ MY_CHECK(MY_ISXDIGIT(pszString[35]));
+ if (fHaveBraces)
+ MY_CHECK(pszString[36] == '}');
+ MY_CHECK(!pszString[36 + fHaveBraces]);
+#undef MY_ISXDIGIT
+#undef MY_CHECK
+
+ /*
+ * Inverse of RTUuidToStr (see above).
+ */
+#define MY_TONUM(ch) (g_au8Digits[(ch) & 0xff])
+ pUuid->Gen.u32TimeLow = RT_LE2H_U32((uint32_t)MY_TONUM(pszString[ 0]) << 28
+ | (uint32_t)MY_TONUM(pszString[ 1]) << 24
+ | (uint32_t)MY_TONUM(pszString[ 2]) << 20
+ | (uint32_t)MY_TONUM(pszString[ 3]) << 16
+ | (uint32_t)MY_TONUM(pszString[ 4]) << 12
+ | (uint32_t)MY_TONUM(pszString[ 5]) << 8
+ | (uint32_t)MY_TONUM(pszString[ 6]) << 4
+ | (uint32_t)MY_TONUM(pszString[ 7]));
+ pUuid->Gen.u16TimeMid = RT_LE2H_U16((uint16_t)MY_TONUM(pszString[ 9]) << 12
+ | (uint16_t)MY_TONUM(pszString[10]) << 8
+ | (uint16_t)MY_TONUM(pszString[11]) << 4
+ | (uint16_t)MY_TONUM(pszString[12]));
+ pUuid->Gen.u16TimeHiAndVersion = RT_LE2H_U16(
+ (uint16_t)MY_TONUM(pszString[14]) << 12
+ | (uint16_t)MY_TONUM(pszString[15]) << 8
+ | (uint16_t)MY_TONUM(pszString[16]) << 4
+ | (uint16_t)MY_TONUM(pszString[17]));
+ pUuid->Gen.u8ClockSeqHiAndReserved =
+ (uint16_t)MY_TONUM(pszString[19]) << 4
+ | (uint16_t)MY_TONUM(pszString[20]);
+ pUuid->Gen.u8ClockSeqLow =
+ (uint16_t)MY_TONUM(pszString[21]) << 4
+ | (uint16_t)MY_TONUM(pszString[22]);
+ pUuid->Gen.au8Node[0] = (uint8_t)MY_TONUM(pszString[24]) << 4
+ | (uint8_t)MY_TONUM(pszString[25]);
+ pUuid->Gen.au8Node[1] = (uint8_t)MY_TONUM(pszString[26]) << 4
+ | (uint8_t)MY_TONUM(pszString[27]);
+ pUuid->Gen.au8Node[2] = (uint8_t)MY_TONUM(pszString[28]) << 4
+ | (uint8_t)MY_TONUM(pszString[29]);
+ pUuid->Gen.au8Node[3] = (uint8_t)MY_TONUM(pszString[30]) << 4
+ | (uint8_t)MY_TONUM(pszString[31]);
+ pUuid->Gen.au8Node[4] = (uint8_t)MY_TONUM(pszString[32]) << 4
+ | (uint8_t)MY_TONUM(pszString[33]);
+ pUuid->Gen.au8Node[5] = (uint8_t)MY_TONUM(pszString[34]) << 4
+ | (uint8_t)MY_TONUM(pszString[35]);
+#undef MY_TONUM
+ return VINF_SUCCESS;
+}
+RT_EXPORT_SYMBOL(RTUuidFromStr);
+
+
+RTDECL(int) RTUuidToUtf16(PCRTUUID pUuid, PRTUTF16 pwszString, size_t cwcString)
+{
+ uint32_t u32TimeLow;
+ unsigned u;
+
+ /* validate parameters */
+ AssertPtrReturn(pUuid, VERR_INVALID_PARAMETER);
+ AssertPtrReturn(pwszString, VERR_INVALID_PARAMETER);
+ AssertReturn(cwcString >= RTUUID_STR_LENGTH, VERR_INVALID_PARAMETER);
+
+ /*
+ * RTStrPrintf(,,"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ * pUuid->Gen.u32TimeLow,
+ * pUuid->Gen.u16TimeMin,
+ * pUuid->Gen.u16TimeHiAndVersion,
+ * pUuid->Gen.u16ClockSeq & 0xff,
+ * pUuid->Gen.u16ClockSeq >> 8,
+ * pUuid->Gen.au8Node[0],
+ * pUuid->Gen.au8Node[1],
+ * pUuid->Gen.au8Node[2],
+ * pUuid->Gen.au8Node[3],
+ * pUuid->Gen.au8Node[4],
+ * pUuid->Gen.au8Node[5]);
+ */
+ u32TimeLow = RT_H2LE_U32(pUuid->Gen.u32TimeLow);
+ pwszString[ 0] = g_achDigits[(u32TimeLow >> 28)/*& 0xf*/];
+ pwszString[ 1] = g_achDigits[(u32TimeLow >> 24) & 0xf];
+ pwszString[ 2] = g_achDigits[(u32TimeLow >> 20) & 0xf];
+ pwszString[ 3] = g_achDigits[(u32TimeLow >> 16) & 0xf];
+ pwszString[ 4] = g_achDigits[(u32TimeLow >> 12) & 0xf];
+ pwszString[ 5] = g_achDigits[(u32TimeLow >> 8) & 0xf];
+ pwszString[ 6] = g_achDigits[(u32TimeLow >> 4) & 0xf];
+ pwszString[ 7] = g_achDigits[(u32TimeLow/*>>0*/)& 0xf];
+ pwszString[ 8] = '-';
+ u = RT_H2LE_U16(pUuid->Gen.u16TimeMid);
+ pwszString[ 9] = g_achDigits[(u >> 12)/*& 0xf*/];
+ pwszString[10] = g_achDigits[(u >> 8) & 0xf];
+ pwszString[11] = g_achDigits[(u >> 4) & 0xf];
+ pwszString[12] = g_achDigits[(u/*>>0*/)& 0xf];
+ pwszString[13] = '-';
+ u = RT_H2LE_U16(pUuid->Gen.u16TimeHiAndVersion);
+ pwszString[14] = g_achDigits[(u >> 12)/*& 0xf*/];
+ pwszString[15] = g_achDigits[(u >> 8) & 0xf];
+ pwszString[16] = g_achDigits[(u >> 4) & 0xf];
+ pwszString[17] = g_achDigits[(u/*>>0*/)& 0xf];
+ pwszString[18] = '-';
+ pwszString[19] = g_achDigits[pUuid->Gen.u8ClockSeqHiAndReserved >> 4];
+ pwszString[20] = g_achDigits[pUuid->Gen.u8ClockSeqHiAndReserved & 0xf];
+ pwszString[21] = g_achDigits[pUuid->Gen.u8ClockSeqLow >> 4];
+ pwszString[22] = g_achDigits[pUuid->Gen.u8ClockSeqLow & 0xf];
+ pwszString[23] = '-';
+ pwszString[24] = g_achDigits[pUuid->Gen.au8Node[0] >> 4];
+ pwszString[25] = g_achDigits[pUuid->Gen.au8Node[0] & 0xf];
+ pwszString[26] = g_achDigits[pUuid->Gen.au8Node[1] >> 4];
+ pwszString[27] = g_achDigits[pUuid->Gen.au8Node[1] & 0xf];
+ pwszString[28] = g_achDigits[pUuid->Gen.au8Node[2] >> 4];
+ pwszString[29] = g_achDigits[pUuid->Gen.au8Node[2] & 0xf];
+ pwszString[30] = g_achDigits[pUuid->Gen.au8Node[3] >> 4];
+ pwszString[31] = g_achDigits[pUuid->Gen.au8Node[3] & 0xf];
+ pwszString[32] = g_achDigits[pUuid->Gen.au8Node[4] >> 4];
+ pwszString[33] = g_achDigits[pUuid->Gen.au8Node[4] & 0xf];
+ pwszString[34] = g_achDigits[pUuid->Gen.au8Node[5] >> 4];
+ pwszString[35] = g_achDigits[pUuid->Gen.au8Node[5] & 0xf];
+ pwszString[36] = '\0';
+
+ return VINF_SUCCESS;
+}
+RT_EXPORT_SYMBOL(RTUuidToUtf16);
+
+
+RTDECL(int) RTUuidFromUtf16(PRTUUID pUuid, PCRTUTF16 pwszString)
+{
+ bool fHaveBraces;
+
+ /*
+ * Validate parameters.
+ */
+ AssertPtrReturn(pUuid, VERR_INVALID_PARAMETER);
+ AssertPtrReturn(pwszString, VERR_INVALID_PARAMETER);
+
+ fHaveBraces = pwszString[0] == '{';
+ pwszString += fHaveBraces;
+
+#define MY_CHECK(expr) do { if (RT_UNLIKELY(!(expr))) return VERR_INVALID_UUID_FORMAT; } while (0)
+#define MY_ISXDIGIT(ch) (!((ch) & 0xff00) && g_au8Digits[(ch) & 0xff] != 0xff)
+ MY_CHECK(MY_ISXDIGIT(pwszString[ 0]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[ 1]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[ 2]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[ 3]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[ 4]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[ 5]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[ 6]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[ 7]));
+ MY_CHECK(pwszString[ 8] == '-');
+ MY_CHECK(MY_ISXDIGIT(pwszString[ 9]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[10]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[11]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[12]));
+ MY_CHECK(pwszString[13] == '-');
+ MY_CHECK(MY_ISXDIGIT(pwszString[14]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[15]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[16]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[17]));
+ MY_CHECK(pwszString[18] == '-');
+ MY_CHECK(MY_ISXDIGIT(pwszString[19]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[20]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[21]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[22]));
+ MY_CHECK(pwszString[23] == '-');
+ MY_CHECK(MY_ISXDIGIT(pwszString[24]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[25]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[26]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[27]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[28]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[29]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[30]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[31]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[32]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[33]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[34]));
+ MY_CHECK(MY_ISXDIGIT(pwszString[35]));
+ if (fHaveBraces)
+ MY_CHECK(pwszString[36] == '}');
+ MY_CHECK(!pwszString[36 + fHaveBraces]);
+#undef MY_ISXDIGIT
+#undef MY_CHECK
+
+ /*
+ * Inverse of RTUuidToUtf8 (see above).
+ */
+#define MY_TONUM(ch) (g_au8Digits[(ch) & 0xff])
+ pUuid->Gen.u32TimeLow = RT_LE2H_U32((uint32_t)MY_TONUM(pwszString[ 0]) << 28
+ | (uint32_t)MY_TONUM(pwszString[ 1]) << 24
+ | (uint32_t)MY_TONUM(pwszString[ 2]) << 20
+ | (uint32_t)MY_TONUM(pwszString[ 3]) << 16
+ | (uint32_t)MY_TONUM(pwszString[ 4]) << 12
+ | (uint32_t)MY_TONUM(pwszString[ 5]) << 8
+ | (uint32_t)MY_TONUM(pwszString[ 6]) << 4
+ | (uint32_t)MY_TONUM(pwszString[ 7]));
+ pUuid->Gen.u16TimeMid = RT_LE2H_U16((uint16_t)MY_TONUM(pwszString[ 9]) << 12
+ | (uint16_t)MY_TONUM(pwszString[10]) << 8
+ | (uint16_t)MY_TONUM(pwszString[11]) << 4
+ | (uint16_t)MY_TONUM(pwszString[12]));
+ pUuid->Gen.u16TimeHiAndVersion = RT_LE2H_U16(
+ (uint16_t)MY_TONUM(pwszString[14]) << 12
+ | (uint16_t)MY_TONUM(pwszString[15]) << 8
+ | (uint16_t)MY_TONUM(pwszString[16]) << 4
+ | (uint16_t)MY_TONUM(pwszString[17]));
+ pUuid->Gen.u8ClockSeqHiAndReserved =
+ (uint16_t)MY_TONUM(pwszString[19]) << 4
+ | (uint16_t)MY_TONUM(pwszString[20]);
+ pUuid->Gen.u8ClockSeqLow =
+ (uint16_t)MY_TONUM(pwszString[21]) << 4
+ | (uint16_t)MY_TONUM(pwszString[22]);
+ pUuid->Gen.au8Node[0] = (uint8_t)MY_TONUM(pwszString[24]) << 4
+ | (uint8_t)MY_TONUM(pwszString[25]);
+ pUuid->Gen.au8Node[1] = (uint8_t)MY_TONUM(pwszString[26]) << 4
+ | (uint8_t)MY_TONUM(pwszString[27]);
+ pUuid->Gen.au8Node[2] = (uint8_t)MY_TONUM(pwszString[28]) << 4
+ | (uint8_t)MY_TONUM(pwszString[29]);
+ pUuid->Gen.au8Node[3] = (uint8_t)MY_TONUM(pwszString[30]) << 4
+ | (uint8_t)MY_TONUM(pwszString[31]);
+ pUuid->Gen.au8Node[4] = (uint8_t)MY_TONUM(pwszString[32]) << 4
+ | (uint8_t)MY_TONUM(pwszString[33]);
+ pUuid->Gen.au8Node[5] = (uint8_t)MY_TONUM(pwszString[34]) << 4
+ | (uint8_t)MY_TONUM(pwszString[35]);
+#undef MY_TONUM
+ return VINF_SUCCESS;
+}
+RT_EXPORT_SYMBOL(RTUuidFromUtf16);
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 01:28:36 +0000