📄 hash.c
字号:
0x9A, 0x9B, 0x8C, 0x9D, 0x00, 0x9F, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xB0, 0xB1, 0x32, 0x33,
0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0x31, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, 0xC0,
0xC1, 0xC2, 0xC1, 0xC1, 0xC1, 0xC1, 0xC7, 0xC8, 0xC9, 0xC9, 0xCB, 0xCC, 0xCD,
0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA,
0xDB, 0x00, 0xDD, 0xDE, 0xDF, 0x41, 0xE1, 0x41, 0xE3, 0xE4, 0xE5, 0xE6, 0x43,
0x45, 0x45, 0x45, 0x45, 0xEC, 0xEC, 0x49, 0x49, 0xF0, 0xF1, 0xF2, 0xF3, 0x4F,
0xF5, 0xF6, 0xF7, 0xF8, 0x55, 0xFA, 0x55, 0x55, 0x00, 0x00, 0xFF,
/* Mac */
0x41, 0x81, 0x43, 0x45, 0x4E, 0x4F, 0x55, 0x41, 0x41, 0x41, 0x41, 0x8B, 0x8C,
0x43, 0x45, 0x45, 0x45, 0x45, 0x49, 0x93, 0x49, 0x49, 0x4E, 0x4F, 0x98, 0x4F,
0x4F, 0x9B, 0x55, 0x55, 0x55, 0x55, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xB0, 0xB1, 0xB2, 0xB3,
0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, 0xC0,
0xC1, 0xC2, 0xC1, 0xC1, 0xC1, 0xC1, 0xC7, 0xC8, 0xC9, 0xC9, 0xCB, 0xCC, 0xCD,
0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA,
0xDB, 0xDC, 0xDD, 0xDE, 0xDF, 0x00, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
0xE8, 0xE9, 0xE9, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4,
0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF,
};
static const unsigned char Lookup_224[128 * 3] = {
/* Common */
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C,
0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26,
0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33,
0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40,
0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D,
0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A,
0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54,
0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
/* Windows */
0x80, 0x81, 0x82, 0x46, 0x84, 0x85, 0x86, 0x87, 0x5E, 0x89, 0x8A, 0x8B, 0x8C,
0x8D, 0x8E, 0x8F, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xB0, 0xB1, 0x32, 0x33,
0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0x31, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, 0xC0,
0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD,
0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA,
0xDB, 0xDC, 0xDD, 0xDE, 0xDF, 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
0xE8, 0xE9, 0xEA, 0xEA, 0xEC, 0xED, 0xED, 0xEF, 0xEF, 0xF1, 0xF2, 0xF3, 0xF3,
0xF5, 0xF5, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0x00, 0x00, 0xFF,
/* Mac */
0x41, 0x41, 0x43, 0x45, 0x4E, 0x4F, 0x55, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41,
0x43, 0x45, 0x45, 0x45, 0x45, 0x49, 0x49, 0x49, 0x49, 0x4E, 0x4F, 0x4F, 0x4F,
0x4F, 0x4F, 0x55, 0x55, 0x55, 0x55, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xB0, 0xB1, 0xB2, 0xB3,
0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, 0xC0,
0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD,
0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA,
0xDB, 0xDC, 0xDD, 0xDE, 0xDF, 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
0xE8, 0xE9, 0xEA, 0xEA, 0xEC, 0xED, 0xED, 0xEF, 0xEF, 0xF1, 0xF2, 0xF3, 0xF3,
0xF5, 0xF5, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF,
};
/***********************************************************************
* LHashValOfNameSysA (OLEAUT32.166)
*
* Produce a string hash value.
*
* PARAMS
* skind [I] Type of the system.
* lcid [I] Locale id for the hash.
* lpStr [I] String to hash.
*
* RETURNS
* Success: The hash value of the string.
* Failure: 0, if lpStr is NULL.
*
* NOTES
* This function produces a two part hash: The high word is based on
* skind and lcid, while the low word is based on a repeated string
* hash of skind/str.
*/
ULONG WINAPI LHashValOfNameSysA( SYSKIND skind, LCID lcid, LPCSTR lpStr)
{
ULONG nOffset, nMask = skind == SYS_MAC ? 1 : 0;
ULONG nHiWord, nLoWord = 0x0deadbee;
const unsigned char *str = (const unsigned char *)lpStr, *pnLookup = NULL;
if (!str)
return 0;
lcid = ConvertDefaultLocale(lcid);
switch (PRIMARYLANGID(LANGIDFROMLCID(lcid)))
{
default:
ERR("Unknown lcid %x, treating as latin-based, please report\n", lcid);
/* .. Fall Through .. */
case LANG_AFRIKAANS: case LANG_ALBANIAN: case LANG_ARMENIAN:
case LANG_ASSAMESE: case LANG_AZERI: case LANG_BASQUE:
case LANG_BELARUSIAN: case LANG_BENGALI: case LANG_BULGARIAN:
case LANG_CATALAN: case LANG_DANISH: case LANG_DIVEHI:
case LANG_DUTCH: case LANG_ENGLISH: case LANG_ESTONIAN:
case LANG_FAEROESE: case LANG_FINNISH: case LANG_FRENCH:
case LANG_GALICIAN: case LANG_GEORGIAN: case LANG_GERMAN:
case LANG_GUJARATI: case LANG_HINDI: case LANG_INDONESIAN:
case LANG_ITALIAN: case LANG_KANNADA: case LANG_KASHMIRI:
case LANG_KAZAK: case LANG_KONKANI: case LANG_KYRGYZ:
case LANG_LATVIAN: case LANG_LITHUANIAN: case LANG_MACEDONIAN:
case LANG_MALAY: case LANG_MALAYALAM: case LANG_MANIPURI:
case LANG_MARATHI: case LANG_MONGOLIAN: case LANG_NEPALI:
case LANG_ORIYA: case LANG_PORTUGUESE: case LANG_PUNJABI:
case LANG_ROMANIAN: case LANG_SANSKRIT: case LANG_SERBIAN:
case LANG_SINDHI: case LANG_SLOVENIAN: case LANG_SWAHILI:
case LANG_SWEDISH: case LANG_SYRIAC: case LANG_TAMIL:
case LANG_TATAR: case LANG_TELUGU: case LANG_THAI:
case LANG_UKRAINIAN: case LANG_URDU: case LANG_UZBEK:
case LANG_VIETNAMESE: case LANG_GAELIC: case LANG_MALTESE:
case LANG_MAORI: case LANG_ROMANSH: case LANG_IRISH:
case LANG_SAMI: case LANG_UPPER_SORBIAN: case LANG_SUTU:
case LANG_TSONGA: case LANG_TSWANA: case LANG_VENDA:
case LANG_XHOSA: case LANG_ZULU: case LANG_ESPERANTO:
case LANG_WALON: case LANG_CORNISH: case LANG_WELSH:
case LANG_BRETON:
nOffset = 16;
pnLookup = Lookup_16;
break;
case LANG_CZECH: case LANG_HUNGARIAN: case LANG_POLISH:
case LANG_SLOVAK: case LANG_SPANISH:
nOffset = 32;
pnLookup = Lookup_32;
break;
case LANG_HEBREW:
nOffset = 48;
pnLookup = Lookup_48;
break;
case LANG_JAPANESE:
nOffset = 64;
pnLookup = Lookup_64;
break;
case LANG_KOREAN:
nOffset = 80;
pnLookup = Lookup_80;
break;
case LANG_CHINESE:
nOffset = 112;
pnLookup = Lookup_112;
break;
case LANG_GREEK:
nOffset = 128;
pnLookup = Lookup_128;
break;
case LANG_ICELANDIC:
nOffset = 144;
pnLookup = Lookup_144;
break;
case LANG_TURKISH:
nOffset = 160;
pnLookup = Lookup_160;
break;
case LANG_NORWEGIAN:
if (SUBLANGID(LANGIDFROMLCID(lcid)) == SUBLANG_NORWEGIAN_NYNORSK)
{
nOffset = 176;
pnLookup = Lookup_176;
}
else
{
nOffset = 16;
pnLookup = Lookup_16;
}
break;
case LANG_ARABIC:
case LANG_FARSI:
nOffset = 208;
pnLookup = Lookup_208;
break;
case LANG_RUSSIAN:
nOffset = 224;
pnLookup = Lookup_224;
break;
}
nHiWord = (nOffset | nMask) << 16;
while (*str)
{
nLoWord = 37 * nLoWord + pnLookup[*str > 0x7f && nMask ? *str + 0x80 : *str];
str++;
}
/* Constrain to a prime modulo and sizeof(WORD) */
nLoWord = (nLoWord % 65599) & 0xffff;
return nHiWord | nLoWord;
}
/***********************************************************************
* LHashValOfNameSys (OLEAUT32.165)
*
* See LHashValOfNameSysA.
*/
ULONG WINAPI LHashValOfNameSys(SYSKIND skind, LCID lcid, LPCOLESTR str)
{
LPSTR strA;
ULONG res;
INT len;
if (!str) return 0;
len = WideCharToMultiByte( CP_ACP, 0, str, -1, NULL, 0, NULL, NULL );
strA = HeapAlloc( GetProcessHeap(), 0, len );
WideCharToMultiByte( CP_ACP, 0, str, -1, strA, len, NULL, NULL );
res = LHashValOfNameSysA(skind, lcid, strA);
HeapFree(GetProcessHeap(), 0, strA);
return res;
}
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