diff options
| -rw-r--r-- | indra/llcommon/lluuid.cpp | 1443 |
1 files changed, 725 insertions, 718 deletions
diff --git a/indra/llcommon/lluuid.cpp b/indra/llcommon/lluuid.cpp index fc04dca08d..3619a64ea9 100644 --- a/indra/llcommon/lluuid.cpp +++ b/indra/llcommon/lluuid.cpp @@ -1,31 +1,31 @@ -/** +/** * @file lluuid.cpp * * $LicenseInfo:firstyear=2000&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #include "linden_common.h" -// We can't use WIN32_LEAN_AND_MEAN here, needs lots of includes. + // We can't use WIN32_LEAN_AND_MEAN here, needs lots of includes. #if LL_WINDOWS #include "llwin32headers.h" // ugh, this is ugly. We need to straighten out our linking for this library @@ -40,18 +40,17 @@ #include "lluuid.h" #include "llerror.h" #include "llrand.h" +#include "llmd5.h" #include "llstring.h" #include "lltimer.h" #include "llthread.h" #include "llmutex.h" -#include "llmd5.h" -#include "hbxxh.h" const LLUUID LLUUID::null; const LLTransactionID LLTransactionID::tnull; // static -LLMutex * LLUUID::mMutex = NULL; +LLMutex* LLUUID::mMutex = NULL; @@ -60,15 +59,15 @@ LLMutex * LLUUID::mMutex = NULL; NOT DONE YET!!! static char BASE85_TABLE[] = { - '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', - 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', - 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', - 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', - 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', - 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', - 'y', 'z', '!', '#', '$', '%', '&', '(', ')', '*', - '+', '-', ';', '[', '=', '>', '?', '@', '^', '_', - '`', '{', '|', '}', '~', '\0' + '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', + 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', + 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', + 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', + 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', + 'y', 'z', '!', '#', '$', '%', '&', '(', ')', '*', + '+', '-', ';', '[', '=', '>', '?', '@', '^', '_', + '`', '{', '|', '}', '~', '\0' }; @@ -94,28 +93,28 @@ return ret; void LLUUID::toBase85(char* out) { - U32* me = (U32*)&(mData[0]); - for(S32 i = 0; i < 4; ++i) - { - char* o = &out[i*i]; - for(S32 j = 0; j < 5; ++j) - { - o[4-j] = BASE85_TABLE[ me[i] % 85]; - word /= 85; - } - } + U32* me = (U32*)&(mData[0]); + for(S32 i = 0; i < 4; ++i) + { + char* o = &out[i*i]; + for(S32 j = 0; j < 5; ++j) + { + o[4-j] = BASE85_TABLE[ me[i] % 85]; + word /= 85; + } + } } unsigned int decode( char const * fiveChars ) throw( bad_input_data ) { - unsigned int ret = 0; - for( S32 ix = 0; ix < 5; ++ix ) - { - char * s = strchr( encodeTable, fiveChars[ ix ] ); - ret = ret * 85 + (s-encodeTable); - } - return ret; -} + unsigned int ret = 0; + for( S32 ix = 0; ix < 5; ++ix ) + { + char * s = strchr( encodeTable, fiveChars[ ix ] ); + ret = ret * 85 + (s-encodeTable); + } + return ret; +} */ #define LL_USE_JANKY_RANDOM_NUMBER_GENERATOR 0 @@ -130,8 +129,8 @@ static U64 sJankyRandomSeed(LLUUID::getRandomSeed()); */ U32 janky_fast_random_bytes() { - sJankyRandomSeed = U64L(1664525) * sJankyRandomSeed + U64L(1013904223); - return (U32)sJankyRandomSeed; + sJankyRandomSeed = U64L(1664525) * sJankyRandomSeed + U64L(1013904223); + return (U32)sJankyRandomSeed; } /** @@ -139,8 +138,8 @@ U32 janky_fast_random_bytes() */ U32 janky_fast_random_byes_range(U32 val) { - sJankyRandomSeed = U64L(1664525) * sJankyRandomSeed + U64L(1013904223); - return (U32)(sJankyRandomSeed) % val; + sJankyRandomSeed = U64L(1664525) * sJankyRandomSeed + U64L(1013904223); + return (U32)(sJankyRandomSeed) % val; } /** @@ -148,365 +147,362 @@ U32 janky_fast_random_byes_range(U32 val) */ U32 janky_fast_random_seeded_bytes(U32 seed, U32 val) { - seed = U64L(1664525) * (U64)(seed) + U64L(1013904223); - return (U32)(seed) % val; + seed = U64L(1664525) * (U64)(seed)+U64L(1013904223); + return (U32)(seed) % val; } #endif // Common to all UUID implementations void LLUUID::toString(std::string& out) const { - out = llformat( - "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", - (U8)(mData[0]), - (U8)(mData[1]), - (U8)(mData[2]), - (U8)(mData[3]), - (U8)(mData[4]), - (U8)(mData[5]), - (U8)(mData[6]), - (U8)(mData[7]), - (U8)(mData[8]), - (U8)(mData[9]), - (U8)(mData[10]), - (U8)(mData[11]), - (U8)(mData[12]), - (U8)(mData[13]), - (U8)(mData[14]), - (U8)(mData[15])); + out = llformat( + "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", + (U8)(mData[0]), + (U8)(mData[1]), + (U8)(mData[2]), + (U8)(mData[3]), + (U8)(mData[4]), + (U8)(mData[5]), + (U8)(mData[6]), + (U8)(mData[7]), + (U8)(mData[8]), + (U8)(mData[9]), + (U8)(mData[10]), + (U8)(mData[11]), + (U8)(mData[12]), + (U8)(mData[13]), + (U8)(mData[14]), + (U8)(mData[15])); } // *TODO: deprecate -void LLUUID::toString(char *out) const +void LLUUID::toString(char* out) const { - std::string buffer; - toString(buffer); - strcpy(out,buffer.c_str()); /* Flawfinder: ignore */ + std::string buffer; + toString(buffer); + strcpy(out, buffer.c_str()); /* Flawfinder: ignore */ } void LLUUID::toCompressedString(std::string& out) const { - char bytes[UUID_BYTES+1]; - memcpy(bytes, mData, UUID_BYTES); /* Flawfinder: ignore */ - bytes[UUID_BYTES] = '\0'; - out.assign(bytes, UUID_BYTES); + char bytes[UUID_BYTES + 1]; + memcpy(bytes, mData, UUID_BYTES); /* Flawfinder: ignore */ + bytes[UUID_BYTES] = '\0'; + out.assign(bytes, UUID_BYTES); } // *TODO: deprecate -void LLUUID::toCompressedString(char *out) const +void LLUUID::toCompressedString(char* out) const { - memcpy(out, mData, UUID_BYTES); /* Flawfinder: ignore */ - out[UUID_BYTES] = '\0'; + memcpy(out, mData, UUID_BYTES); /* Flawfinder: ignore */ + out[UUID_BYTES] = '\0'; } std::string LLUUID::getString() const { - return asString(); + return asString(); } std::string LLUUID::asString() const { - std::string str; - toString(str); - return str; + std::string str; + toString(str); + return str; } BOOL LLUUID::set(const char* in_string, BOOL emit) { - return set(ll_safe_string(in_string),emit); + return set(ll_safe_string(in_string), emit); } BOOL LLUUID::set(const std::string& in_string, BOOL emit) { - BOOL broken_format = FALSE; - - // empty strings should make NULL uuid - if (in_string.empty()) - { - setNull(); - return TRUE; - } - - if (in_string.length() != (UUID_STR_LENGTH - 1)) /* Flawfinder: ignore */ - { - // I'm a moron. First implementation didn't have the right UUID format. - // Shouldn't see any of these any more - if (in_string.length() == (UUID_STR_LENGTH - 2)) /* Flawfinder: ignore */ - { - if(emit) - { - LL_WARNS() << "Warning! Using broken UUID string format" << LL_ENDL; - } - broken_format = TRUE; - } - else - { - // Bad UUID string. Spam as INFO, as most cases we don't care. - if(emit) - { - //don't spam the logs because a resident can't spell. - LL_WARNS() << "Bad UUID string: " << in_string << LL_ENDL; - } - setNull(); - return FALSE; - } - } - - U8 cur_pos = 0; - S32 i; - for (i = 0; i < UUID_BYTES; i++) - { - if ((i == 4) || (i == 6) || (i == 8) || (i == 10)) - { - cur_pos++; - if (broken_format && (i==10)) - { - // Missing - in the broken format - cur_pos--; - } - } - - mData[i] = 0; - - if ((in_string[cur_pos] >= '0') && (in_string[cur_pos] <= '9')) - { - mData[i] += (U8)(in_string[cur_pos] - '0'); - } - else if ((in_string[cur_pos] >= 'a') && (in_string[cur_pos] <='f')) - { - mData[i] += (U8)(10 + in_string[cur_pos] - 'a'); - } - else if ((in_string[cur_pos] >= 'A') && (in_string[cur_pos] <='F')) - { - mData[i] += (U8)(10 + in_string[cur_pos] - 'A'); - } - else - { - if(emit) - { - LL_WARNS() << "Invalid UUID string character" << LL_ENDL; - } - setNull(); - return FALSE; - } - - mData[i] = mData[i] << 4; - cur_pos++; - - if ((in_string[cur_pos] >= '0') && (in_string[cur_pos] <= '9')) - { - mData[i] += (U8)(in_string[cur_pos] - '0'); - } - else if ((in_string[cur_pos] >= 'a') && (in_string[cur_pos] <='f')) - { - mData[i] += (U8)(10 + in_string[cur_pos] - 'a'); - } - else if ((in_string[cur_pos] >= 'A') && (in_string[cur_pos] <='F')) - { - mData[i] += (U8)(10 + in_string[cur_pos] - 'A'); - } - else - { - if(emit) - { - LL_WARNS() << "Invalid UUID string character" << LL_ENDL; - } - setNull(); - return FALSE; - } - cur_pos++; - } - - return TRUE; + BOOL broken_format = FALSE; + + // empty strings should make NULL uuid + if (in_string.empty()) + { + setNull(); + return TRUE; + } + + if (in_string.length() != (UUID_STR_LENGTH - 1)) /* Flawfinder: ignore */ + { + // I'm a moron. First implementation didn't have the right UUID format. + // Shouldn't see any of these any more + if (in_string.length() == (UUID_STR_LENGTH - 2)) /* Flawfinder: ignore */ + { + if (emit) + { + LL_WARNS() << "Warning! Using broken UUID string format" << LL_ENDL; + } + broken_format = TRUE; + } + else + { + // Bad UUID string. Spam as INFO, as most cases we don't care. + if (emit) + { + //don't spam the logs because a resident can't spell. + LL_WARNS() << "Bad UUID string: " << in_string << LL_ENDL; + } + setNull(); + return FALSE; + } + } + + U8 cur_pos = 0; + S32 i; + for (i = 0; i < UUID_BYTES; i++) + { + if ((i == 4) || (i == 6) || (i == 8) || (i == 10)) + { + cur_pos++; + if (broken_format && (i == 10)) + { + // Missing - in the broken format + cur_pos--; + } + } + + mData[i] = 0; + + if ((in_string[cur_pos] >= '0') && (in_string[cur_pos] <= '9')) + { + mData[i] += (U8)(in_string[cur_pos] - '0'); + } + else if ((in_string[cur_pos] >= 'a') && (in_string[cur_pos] <= 'f')) + { + mData[i] += (U8)(10 + in_string[cur_pos] - 'a'); + } + else if ((in_string[cur_pos] >= 'A') && (in_string[cur_pos] <= 'F')) + { + mData[i] += (U8)(10 + in_string[cur_pos] - 'A'); + } + else + { + if (emit) + { + LL_WARNS() << "Invalid UUID string character" << LL_ENDL; + } + setNull(); + return FALSE; + } + + mData[i] = mData[i] << 4; + cur_pos++; + + if ((in_string[cur_pos] >= '0') && (in_string[cur_pos] <= '9')) + { + mData[i] += (U8)(in_string[cur_pos] - '0'); + } + else if ((in_string[cur_pos] >= 'a') && (in_string[cur_pos] <= 'f')) + { + mData[i] += (U8)(10 + in_string[cur_pos] - 'a'); + } + else if ((in_string[cur_pos] >= 'A') && (in_string[cur_pos] <= 'F')) + { + mData[i] += (U8)(10 + in_string[cur_pos] - 'A'); + } + else + { + if (emit) + { + LL_WARNS() << "Invalid UUID string character" << LL_ENDL; + } + setNull(); + return FALSE; + } + cur_pos++; + } + + return TRUE; } BOOL LLUUID::validate(const std::string& in_string) { - BOOL broken_format = FALSE; - if (in_string.length() != (UUID_STR_LENGTH - 1)) /* Flawfinder: ignore */ - { - // I'm a moron. First implementation didn't have the right UUID format. - if (in_string.length() == (UUID_STR_LENGTH - 2)) /* Flawfinder: ignore */ - { - broken_format = TRUE; - } - else - { - return FALSE; - } - } - - U8 cur_pos = 0; - for (U32 i = 0; i < 16; i++) - { - if ((i == 4) || (i == 6) || (i == 8) || (i == 10)) - { - cur_pos++; - if (broken_format && (i==10)) - { - // Missing - in the broken format - cur_pos--; - } - } - - if ((in_string[cur_pos] >= '0') && (in_string[cur_pos] <= '9')) - { - } - else if ((in_string[cur_pos] >= 'a') && (in_string[cur_pos] <='f')) - { - } - else if ((in_string[cur_pos] >= 'A') && (in_string[cur_pos] <='F')) - { - } - else - { - return FALSE; - } - - cur_pos++; - - if ((in_string[cur_pos] >= '0') && (in_string[cur_pos] <= '9')) - { - } - else if ((in_string[cur_pos] >= 'a') && (in_string[cur_pos] <='f')) - { - } - else if ((in_string[cur_pos] >= 'A') && (in_string[cur_pos] <='F')) - { - } - else - { - return FALSE; - } - cur_pos++; - } - return TRUE; + BOOL broken_format = FALSE; + if (in_string.length() != (UUID_STR_LENGTH - 1)) /* Flawfinder: ignore */ + { + // I'm a moron. First implementation didn't have the right UUID format. + if (in_string.length() == (UUID_STR_LENGTH - 2)) /* Flawfinder: ignore */ + { + broken_format = TRUE; + } + else + { + return FALSE; + } + } + + U8 cur_pos = 0; + for (U32 i = 0; i < 16; i++) + { + if ((i == 4) || (i == 6) || (i == 8) || (i == 10)) + { + cur_pos++; + if (broken_format && (i == 10)) + { + // Missing - in the broken format + cur_pos--; + } + } + + if ((in_string[cur_pos] >= '0') && (in_string[cur_pos] <= '9')) + { + } + else if ((in_string[cur_pos] >= 'a') && (in_string[cur_pos] <= 'f')) + { + } + else if ((in_string[cur_pos] >= 'A') && (in_string[cur_pos] <= 'F')) + { + } + else + { + return FALSE; + } + + cur_pos++; + + if ((in_string[cur_pos] >= '0') && (in_string[cur_pos] <= '9')) + { + } + else if ((in_string[cur_pos] >= 'a') && (in_string[cur_pos] <= 'f')) + { + } + else if ((in_string[cur_pos] >= 'A') && (in_string[cur_pos] <= 'F')) + { + } + else + { + return FALSE; + } + cur_pos++; + } + return TRUE; } const LLUUID& LLUUID::operator^=(const LLUUID& rhs) { - U32* me = (U32*)&(mData[0]); - const U32* other = (U32*)&(rhs.mData[0]); - for(S32 i = 0; i < 4; ++i) - { - me[i] = me[i] ^ other[i]; - } - return *this; + U32* me = (U32*)&(mData[0]); + const U32* other = (U32*)&(rhs.mData[0]); + for (S32 i = 0; i < 4; ++i) + { + me[i] = me[i] ^ other[i]; + } + return *this; } LLUUID LLUUID::operator^(const LLUUID& rhs) const { - LLUUID id(*this); - id ^= rhs; - return id; + LLUUID id(*this); + id ^= rhs; + return id; } -// WARNING: this algorithm SHALL NOT be changed. It is also used by the server -// and plays a role in some assets validation (e.g. clothing items). Changing -// it would cause invalid assets. void LLUUID::combine(const LLUUID& other, LLUUID& result) const { - LLMD5 md5_uuid; - md5_uuid.update((unsigned char*)mData, 16); - md5_uuid.update((unsigned char*)other.mData, 16); - md5_uuid.finalize(); - md5_uuid.raw_digest(result.mData); + LLMD5 md5_uuid; + md5_uuid.update((unsigned char*)mData, 16); + md5_uuid.update((unsigned char*)other.mData, 16); + md5_uuid.finalize(); + md5_uuid.raw_digest(result.mData); } -LLUUID LLUUID::combine(const LLUUID &other) const +LLUUID LLUUID::combine(const LLUUID& other) const { - LLUUID combination; - combine(other, combination); - return combination; + LLUUID combination; + combine(other, combination); + return combination; } -std::ostream& operator<<(std::ostream& s, const LLUUID &uuid) +std::ostream& operator<<(std::ostream& s, const LLUUID& uuid) { - std::string uuid_str; - uuid.toString(uuid_str); - s << uuid_str; - return s; + std::string uuid_str; + uuid.toString(uuid_str); + s << uuid_str; + return s; } -std::istream& operator>>(std::istream &s, LLUUID &uuid) +std::istream& operator>>(std::istream& s, LLUUID& uuid) { - U32 i; - char uuid_str[UUID_STR_LENGTH]; /* Flawfinder: ignore */ - for (i = 0; i < UUID_STR_LENGTH-1; i++) - { - s >> uuid_str[i]; - } - uuid_str[i] = '\0'; - uuid.set(std::string(uuid_str)); - return s; + U32 i; + char uuid_str[UUID_STR_LENGTH]; /* Flawfinder: ignore */ + for (i = 0; i < UUID_STR_LENGTH - 1; i++) + { + s >> uuid_str[i]; + } + uuid_str[i] = '\0'; + uuid.set(std::string(uuid_str)); + return s; } -static void get_random_bytes(void *buf, int nbytes) +static void get_random_bytes(void* buf, int nbytes) { - int i; - char *cp = (char *) buf; - - // *NOTE: If we are not using the janky generator ll_rand() - // generates at least 3 good bytes of data since it is 0 to - // RAND_MAX. This could be made more efficient by copying all the - // bytes. - for (i=0; i < nbytes; i++) + int i; + char* cp = (char*)buf; + + // *NOTE: If we are not using the janky generator ll_rand() + // generates at least 3 good bytes of data since it is 0 to + // RAND_MAX. This could be made more efficient by copying all the + // bytes. + for (i = 0; i < nbytes; i++) #if LL_USE_JANKY_RANDOM_NUMBER_GENERATOR - *cp++ = janky_fast_random_bytes() & 0xFF; + * cp++ = janky_fast_random_bytes() & 0xFF; #else - *cp++ = ll_rand() & 0xFF; + * cp++ = ll_rand() & 0xFF; #endif - return; + return; } #if LL_WINDOWS typedef struct _ASTAT_ { - ADAPTER_STATUS adapt; - NAME_BUFFER NameBuff [30]; + ADAPTER_STATUS adapt; + NAME_BUFFER NameBuff[30]; }ASTAT, * PASTAT; // static -S32 LLUUID::getNodeID(unsigned char *node_id) +S32 LLUUID::getNodeID(unsigned char* node_id) { - ASTAT Adapter; - NCB Ncb; - UCHAR uRetCode; - LANA_ENUM lenum; - int i; - int retval = 0; - - memset( &Ncb, 0, sizeof(Ncb) ); - Ncb.ncb_command = NCBENUM; - Ncb.ncb_buffer = (UCHAR *)&lenum; - Ncb.ncb_length = sizeof(lenum); - uRetCode = Netbios( &Ncb ); - - for(i=0; i < lenum.length ;i++) - { - memset( &Ncb, 0, sizeof(Ncb) ); - Ncb.ncb_command = NCBRESET; - Ncb.ncb_lana_num = lenum.lana[i]; - - uRetCode = Netbios( &Ncb ); - - memset( &Ncb, 0, sizeof (Ncb) ); - Ncb.ncb_command = NCBASTAT; - Ncb.ncb_lana_num = lenum.lana[i]; - - strcpy( (char *)Ncb.ncb_callname, "* " ); /* Flawfinder: ignore */ - Ncb.ncb_buffer = (unsigned char *)&Adapter; - Ncb.ncb_length = sizeof(Adapter); - - uRetCode = Netbios( &Ncb ); - if ( uRetCode == 0 ) - { - memcpy(node_id,Adapter.adapt.adapter_address,6); /* Flawfinder: ignore */ - retval = 1; - } - } - return retval; + ASTAT Adapter; + NCB Ncb; + UCHAR uRetCode; + LANA_ENUM lenum; + int i; + int retval = 0; + + memset(&Ncb, 0, sizeof(Ncb)); + Ncb.ncb_command = NCBENUM; + Ncb.ncb_buffer = (UCHAR*)&lenum; + Ncb.ncb_length = sizeof(lenum); + uRetCode = Netbios(&Ncb); + + for (i = 0; i < lenum.length; i++) + { + memset(&Ncb, 0, sizeof(Ncb)); + Ncb.ncb_command = NCBRESET; + Ncb.ncb_lana_num = lenum.lana[i]; + + uRetCode = Netbios(&Ncb); + + memset(&Ncb, 0, sizeof(Ncb)); + Ncb.ncb_command = NCBASTAT; + Ncb.ncb_lana_num = lenum.lana[i]; + + strcpy((char*)Ncb.ncb_callname, "* "); /* Flawfinder: ignore */ + Ncb.ncb_buffer = (unsigned char*)&Adapter; + Ncb.ncb_length = sizeof(Adapter); + + uRetCode = Netbios(&Ncb); + if (uRetCode == 0) + { + memcpy(node_id, Adapter.adapt.adapter_address, 6); /* Flawfinder: ignore */ + retval = 1; + } + } + return retval; } #elif LL_DARWIN @@ -525,66 +521,66 @@ S32 LLUUID::getNodeID(unsigned char *node_id) #include <net/route.h> #include <ifaddrs.h> -// static -S32 LLUUID::getNodeID(unsigned char *node_id) + // static +S32 LLUUID::getNodeID(unsigned char* node_id) { - int i; - unsigned char *a = NULL; - struct ifaddrs *ifap, *ifa; - int rv; - S32 result = 0; - - if ((rv=getifaddrs(&ifap))==-1) - { - return -1; - } - if (ifap == NULL) - { - return -1; - } - - for (ifa = ifap; ifa != NULL; ifa = ifa->ifa_next) - { -// printf("Interface %s, address family %d, ", ifa->ifa_name, ifa->ifa_addr->sa_family); - for(i=0; i< ifa->ifa_addr->sa_len; i++) - { -// printf("%02X ", (unsigned char)ifa->ifa_addr->sa_data[i]); - } -// printf("\n"); - - if(ifa->ifa_addr->sa_family == AF_LINK) - { - // This is a link-level address - struct sockaddr_dl *lla = (struct sockaddr_dl *)ifa->ifa_addr; - -// printf("\tLink level address, type %02X\n", lla->sdl_type); - - if(lla->sdl_type == IFT_ETHER) - { - // Use the first ethernet MAC in the list. - // For some reason, the macro LLADDR() defined in net/if_dl.h doesn't expand correctly. This is what it would do. - a = (unsigned char *)&((lla)->sdl_data); - a += (lla)->sdl_nlen; - - if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5]) - { - continue; - } - - if (node_id) - { - memcpy(node_id, a, 6); - result = 1; - } - - // We found one. - break; - } - } - } - freeifaddrs(ifap); - - return result; + int i; + unsigned char* a = NULL; + struct ifaddrs* ifap, * ifa; + int rv; + S32 result = 0; + + if ((rv = getifaddrs(&ifap)) == -1) + { + return -1; + } + if (ifap == NULL) + { + return -1; + } + + for (ifa = ifap; ifa != NULL; ifa = ifa->ifa_next) + { + // printf("Interface %s, address family %d, ", ifa->ifa_name, ifa->ifa_addr->sa_family); + for (i = 0; i < ifa->ifa_addr->sa_len; i++) + { + // printf("%02X ", (unsigned char)ifa->ifa_addr->sa_data[i]); + } + // printf("\n"); + + if (ifa->ifa_addr->sa_family == AF_LINK) + { + // This is a link-level address + struct sockaddr_dl* lla = (struct sockaddr_dl*)ifa->ifa_addr; + + // printf("\tLink level address, type %02X\n", lla->sdl_type); + + if (lla->sdl_type == IFT_ETHER) + { + // Use the first ethernet MAC in the list. + // For some reason, the macro LLADDR() defined in net/if_dl.h doesn't expand correctly. This is what it would do. + a = (unsigned char*)&((lla)->sdl_data); + a += (lla)->sdl_nlen; + + if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5]) + { + continue; + } + + if (node_id) + { + memcpy(node_id, a, 6); + result = 1; + } + + // We found one. + break; + } + } + } + freeifaddrs(ifap); + + return result; } #else @@ -611,22 +607,22 @@ S32 LLUUID::getNodeID(unsigned char *node_id) #endif #endif -// static -S32 LLUUID::getNodeID(unsigned char *node_id) + // static +S32 LLUUID::getNodeID(unsigned char* node_id) { - int sd; - struct ifreq ifr, *ifrp; - struct ifconf ifc; - char buf[1024]; - int n, i; - unsigned char *a; - -/* - * BSD 4.4 defines the size of an ifreq to be - * max(sizeof(ifreq), sizeof(ifreq.ifr_name)+ifreq.ifr_addr.sa_len - * However, under earlier systems, sa_len isn't present, so the size is - * just sizeof(struct ifreq) - */ + int sd; + struct ifreq ifr, * ifrp; + struct ifconf ifc; + char buf[1024]; + int n, i; + unsigned char* a; + + /* + * BSD 4.4 defines the size of an ifreq to be + * max(sizeof(ifreq), sizeof(ifreq.ifr_name)+ifreq.ifr_addr.sa_len + * However, under earlier systems, sa_len isn't present, so the size is + * just sizeof(struct ifreq) + */ #ifdef HAVE_SA_LEN #ifndef max #define max(a,b) ((a) > (b) ? (a) : (b)) @@ -637,345 +633,356 @@ S32 LLUUID::getNodeID(unsigned char *node_id) #define ifreq_size(i) sizeof(struct ifreq) #endif /* HAVE_SA_LEN*/ - sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP); - if (sd < 0) { - return -1; - } - memset(buf, 0, sizeof(buf)); - ifc.ifc_len = sizeof(buf); - ifc.ifc_buf = buf; - if (ioctl (sd, SIOCGIFCONF, (char *)&ifc) < 0) { - close(sd); - return -1; - } - n = ifc.ifc_len; - for (i = 0; i < n; i+= ifreq_size(*ifr) ) { - ifrp = (struct ifreq *)((char *) ifc.ifc_buf+i); - strncpy(ifr.ifr_name, ifrp->ifr_name, IFNAMSIZ); /* Flawfinder: ignore */ + sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP); + if (sd < 0) { + return -1; + } + memset(buf, 0, sizeof(buf)); + ifc.ifc_len = sizeof(buf); + ifc.ifc_buf = buf; + if (ioctl(sd, SIOCGIFCONF, (char*)&ifc) < 0) { + close(sd); + return -1; + } + n = ifc.ifc_len; + for (i = 0; i < n; i += ifreq_size(*ifr)) { + ifrp = (struct ifreq*)((char*)ifc.ifc_buf + i); + strncpy(ifr.ifr_name, ifrp->ifr_name, IFNAMSIZ); /* Flawfinder: ignore */ #ifdef SIOCGIFHWADDR - if (ioctl(sd, SIOCGIFHWADDR, &ifr) < 0) - continue; - a = (unsigned char *) &ifr.ifr_hwaddr.sa_data; + if (ioctl(sd, SIOCGIFHWADDR, &ifr) < 0) + continue; + a = (unsigned char*)&ifr.ifr_hwaddr.sa_data; #else #ifdef SIOCGENADDR - if (ioctl(sd, SIOCGENADDR, &ifr) < 0) - continue; - a = (unsigned char *) ifr.ifr_enaddr; + if (ioctl(sd, SIOCGENADDR, &ifr) < 0) + continue; + a = (unsigned char*)ifr.ifr_enaddr; #else - /* - * XXX we don't have a way of getting the hardware - * address - */ - close(sd); - return 0; + /* + * XXX we don't have a way of getting the hardware + * address + */ + close(sd); + return 0; #endif /* SIOCGENADDR */ #endif /* SIOCGIFHWADDR */ - if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5]) - continue; - if (node_id) { - memcpy(node_id, a, 6); /* Flawfinder: ignore */ - close(sd); - return 1; - } - } - close(sd); - return 0; + if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5]) + continue; + if (node_id) { + memcpy(node_id, a, 6); /* Flawfinder: ignore */ + close(sd); + return 1; + } + } + close(sd); + return 0; } #endif -S32 LLUUID::cmpTime(uuid_time_t *t1, uuid_time_t *t2) +S32 LLUUID::cmpTime(uuid_time_t* t1, uuid_time_t* t2) { - // Compare two time values. + // Compare two time values. - if (t1->high < t2->high) return -1; - if (t1->high > t2->high) return 1; - if (t1->low < t2->low) return -1; - if (t1->low > t2->low) return 1; - return 0; + if (t1->high < t2->high) return -1; + if (t1->high > t2->high) return 1; + if (t1->low < t2->low) return -1; + if (t1->low > t2->low) return 1; + return 0; } -void LLUUID::getSystemTime(uuid_time_t *timestamp) +void LLUUID::getSystemTime(uuid_time_t* timestamp) { - // Get system time with 100ns precision. Time is since Oct 15, 1582. + // Get system time with 100ns precision. Time is since Oct 15, 1582. #if LL_WINDOWS - ULARGE_INTEGER time; - GetSystemTimeAsFileTime((FILETIME *)&time); - // NT keeps time in FILETIME format which is 100ns ticks since - // Jan 1, 1601. UUIDs use time in 100ns ticks since Oct 15, 1582. - // The difference is 17 Days in Oct + 30 (Nov) + 31 (Dec) - // + 18 years and 5 leap days. - time.QuadPart += - (unsigned __int64) (1000*1000*10) // seconds - * (unsigned __int64) (60 * 60 * 24) // days - * (unsigned __int64) (17+30+31+365*18+5); // # of days - - timestamp->high = time.HighPart; - timestamp->low = time.LowPart; + ULARGE_INTEGER time; + GetSystemTimeAsFileTime((FILETIME*)&time); + // NT keeps time in FILETIME format which is 100ns ticks since + // Jan 1, 1601. UUIDs use time in 100ns ticks since Oct 15, 1582. + // The difference is 17 Days in Oct + 30 (Nov) + 31 (Dec) + // + 18 years and 5 leap days. + time.QuadPart += + (unsigned __int64)(1000 * 1000 * 10) // seconds + * (unsigned __int64)(60 * 60 * 24) // days + * (unsigned __int64)(17 + 30 + 31 + 365 * 18 + 5); // # of days + + timestamp->high = time.HighPart; + timestamp->low = time.LowPart; #else - struct timeval tp; - gettimeofday(&tp, 0); - - // Offset between UUID formatted times and Unix formatted times. - // UUID UTC base time is October 15, 1582. - // Unix base time is January 1, 1970. - U64 uuid_time = ((U64)tp.tv_sec * 10000000) + (tp.tv_usec * 10) + - U64L(0x01B21DD213814000); - timestamp->high = (U32) (uuid_time >> 32); - timestamp->low = (U32) (uuid_time & 0xFFFFFFFF); + struct timeval tp; + gettimeofday(&tp, 0); + + // Offset between UUID formatted times and Unix formatted times. + // UUID UTC base time is October 15, 1582. + // Unix base time is January 1, 1970. + U64 uuid_time = ((U64)tp.tv_sec * 10000000) + (tp.tv_usec * 10) + + U64L(0x01B21DD213814000); + timestamp->high = (U32)(uuid_time >> 32); + timestamp->low = (U32)(uuid_time & 0xFFFFFFFF); #endif } -void LLUUID::getCurrentTime(uuid_time_t *timestamp) +void LLUUID::getCurrentTime(uuid_time_t* timestamp) { - // Get current time as 60 bit 100ns ticks since whenever. - // Compensate for the fact that real clock resolution is less - // than 100ns. - - const U32 uuids_per_tick = 1024; - - static uuid_time_t time_last; - static U32 uuids_this_tick; - static BOOL init = FALSE; - - if (!init) { - getSystemTime(&time_last); - uuids_this_tick = uuids_per_tick; - init = TRUE; - mMutex = new LLMutex(); - } - - uuid_time_t time_now = {0,0}; - - while (1) { - getSystemTime(&time_now); - - // if clock reading changed since last UUID generated - if (cmpTime(&time_last, &time_now)) { - // reset count of uuid's generated with this clock reading - uuids_this_tick = 0; - break; - } - if (uuids_this_tick < uuids_per_tick) { - uuids_this_tick++; - break; - } - // going too fast for our clock; spin - } - - time_last = time_now; - - if (uuids_this_tick != 0) { - if (time_now.low & 0x80000000) { - time_now.low += uuids_this_tick; - if (!(time_now.low & 0x80000000)) - time_now.high++; - } else - time_now.low += uuids_this_tick; - } - - timestamp->high = time_now.high; - timestamp->low = time_now.low; + // Get current time as 60 bit 100ns ticks since whenever. + // Compensate for the fact that real clock resolution is less + // than 100ns. + + const U32 uuids_per_tick = 1024; + + static uuid_time_t time_last; + static U32 uuids_this_tick; + static BOOL init = FALSE; + + if (!init) { + getSystemTime(&time_last); + uuids_this_tick = uuids_per_tick; + init = TRUE; + mMutex = new LLMutex(); + } + + uuid_time_t time_now = { 0,0 }; + + while (1) { + getSystemTime(&time_now); + + // if clock reading changed since last UUID generated + if (cmpTime(&time_last, &time_now)) { + // reset count of uuid's generated with this clock reading + uuids_this_tick = 0; + break; + } + if (uuids_this_tick < uuids_per_tick) { + uuids_this_tick++; + break; + } + // going too fast for our clock; spin + } + + time_last = time_now; + + if (uuids_this_tick != 0) { + if (time_now.low & 0x80000000) { + time_now.low += uuids_this_tick; + if (!(time_now.low & 0x80000000)) + time_now.high++; + } + else + time_now.low += uuids_this_tick; + } + + timestamp->high = time_now.high; + timestamp->low = time_now.low; } void LLUUID::generate() { - // Create a UUID. - uuid_time_t timestamp; - - static unsigned char node_id[6]; /* Flawfinder: ignore */ - static int has_init = 0; - - // Create a UUID. - static uuid_time_t time_last = {0,0}; - static U16 clock_seq = 0; + // Create a UUID. + uuid_time_t timestamp; + + static unsigned char node_id[6]; /* Flawfinder: ignore */ + static int has_init = 0; + + // Create a UUID. + static uuid_time_t time_last = { 0,0 }; + static U16 clock_seq = 0; #if LL_USE_JANKY_RANDOM_NUMBER_GENERATOR - static U32 seed = 0L; // dummy seed. reset it below + static U32 seed = 0L; // dummy seed. reset it below #endif - if (!has_init) - { - has_init = 1; - if (getNodeID(node_id) <= 0) - { - get_random_bytes(node_id, 6); - /* - * Set multicast bit, to prevent conflicts - * with IEEE 802 addresses obtained from - * network cards - */ - node_id[0] |= 0x80; - } - - getCurrentTime(&time_last); + if (!has_init) + { + has_init = 1; + if (getNodeID(node_id) <= 0) + { + get_random_bytes(node_id, 6); + /* + * Set multicast bit, to prevent conflicts + * with IEEE 802 addresses obtained from + * network cards + */ + node_id[0] |= 0x80; + } + + getCurrentTime(&time_last); #if LL_USE_JANKY_RANDOM_NUMBER_GENERATOR - seed = time_last.low; + seed = time_last.low; #endif #if LL_USE_JANKY_RANDOM_NUMBER_GENERATOR - clock_seq = (U16)janky_fast_random_seeded_bytes(seed, 65536); + clock_seq = (U16)janky_fast_random_seeded_bytes(seed, 65536); #else - clock_seq = (U16)ll_rand(65536); + clock_seq = (U16)ll_rand(65536); #endif - } - - // get current time - getCurrentTime(×tamp); - U16 our_clock_seq = clock_seq; - - // if clock hasn't changed or went backward, change clockseq - if (cmpTime(×tamp, &time_last) != 1) - { - LLMutexLock lock(mMutex); - clock_seq = (clock_seq + 1) & 0x3FFF; - if (clock_seq == 0) - clock_seq++; - our_clock_seq = clock_seq; // Ensure we're using a different clock_seq value from previous time - } + } + + // get current time + getCurrentTime(×tamp); + U16 our_clock_seq = clock_seq; + + // if clock hasn't changed or went backward, change clockseq + if (cmpTime(×tamp, &time_last) != 1) + { + LLMutexLock lock(mMutex); + clock_seq = (clock_seq + 1) & 0x3FFF; + if (clock_seq == 0) + clock_seq++; + our_clock_seq = clock_seq; // Ensure we're using a different clock_seq value from previous time + } time_last = timestamp; - memcpy(mData+10, node_id, 6); /* Flawfinder: ignore */ - U32 tmp; - tmp = timestamp.low; - mData[3] = (unsigned char) tmp; - tmp >>= 8; - mData[2] = (unsigned char) tmp; - tmp >>= 8; - mData[1] = (unsigned char) tmp; - tmp >>= 8; - mData[0] = (unsigned char) tmp; - - tmp = (U16) timestamp.high; - mData[5] = (unsigned char) tmp; - tmp >>= 8; - mData[4] = (unsigned char) tmp; - - tmp = (timestamp.high >> 16) | 0x1000; - mData[7] = (unsigned char) tmp; - tmp >>= 8; - mData[6] = (unsigned char) tmp; - - tmp = our_clock_seq; - - mData[9] = (unsigned char) tmp; - tmp >>= 8; - mData[8] = (unsigned char) tmp; - - HBXXH128::digest(*this, (const void*)mData, 16); + memcpy(mData + 10, node_id, 6); /* Flawfinder: ignore */ + U32 tmp; + tmp = timestamp.low; + mData[3] = (unsigned char)tmp; + tmp >>= 8; + mData[2] = (unsigned char)tmp; + tmp >>= 8; + mData[1] = (unsigned char)tmp; + tmp >>= 8; + mData[0] = (unsigned char)tmp; + + tmp = (U16)timestamp.high; + mData[5] = (unsigned char)tmp; + tmp >>= 8; + mData[4] = (unsigned char)tmp; + + tmp = (timestamp.high >> 16) | 0x1000; + mData[7] = (unsigned char)tmp; + tmp >>= 8; + mData[6] = (unsigned char)tmp; + + tmp = our_clock_seq; + + mData[9] = (unsigned char)tmp; + tmp >>= 8; + mData[8] = (unsigned char)tmp; + + LLMD5 md5_uuid; + + md5_uuid.update(mData, 16); + md5_uuid.finalize(); + md5_uuid.raw_digest(mData); } void LLUUID::generate(const std::string& hash_string) { - HBXXH128::digest(*this, hash_string); + LLMD5 md5_uuid((U8*)hash_string.c_str()); + md5_uuid.raw_digest(mData); } U32 LLUUID::getRandomSeed() { - static unsigned char seed[16]; /* Flawfinder: ignore */ - - getNodeID(&seed[0]); + static unsigned char seed[16]; /* Flawfinder: ignore */ - // Incorporate the pid into the seed to prevent - // processes that start on the same host at the same - // time from generating the same seed. - pid_t pid = LLApp::getPid(); + getNodeID(&seed[0]); - seed[6]=(unsigned char)(pid >> 8); - seed[7]=(unsigned char)(pid); - getSystemTime((uuid_time_t *)(&seed[8])); + // Incorporate the pid into the seed to prevent + // processes that start on the same host at the same + // time from generating the same seed. + pid_t pid = LLApp::getPid(); - U64 seed64 = HBXXH64((const void*)seed, 16).digest(); - return U32(seed64) ^ U32(seed64 >> 32); + seed[6] = (unsigned char)(pid >> 8); + seed[7] = (unsigned char)(pid); + getSystemTime((uuid_time_t*)(&seed[8])); + + LLMD5 md5_seed; + + md5_seed.update(seed, 16); + md5_seed.finalize(); + md5_seed.raw_digest(seed); + + return(*(U32*)seed); } BOOL LLUUID::parseUUID(const std::string& buf, LLUUID* value) { - if( buf.empty() || value == NULL) - { - return FALSE; - } - - std::string temp( buf ); - LLStringUtil::trim(temp); - if( LLUUID::validate( temp ) ) - { - value->set( temp ); - return TRUE; - } - return FALSE; + if (buf.empty() || value == NULL) + { + return FALSE; + } + + std::string temp(buf); + LLStringUtil::trim(temp); + if (LLUUID::validate(temp)) + { + value->set(temp); + return TRUE; + } + return FALSE; } //static LLUUID LLUUID::generateNewID(std::string hash_string) { - LLUUID new_id; - if (hash_string.empty()) - { - new_id.generate(); - } - else - { - new_id.generate(hash_string); - } - return new_id; + LLUUID new_id; + if (hash_string.empty()) + { + new_id.generate(); + } + else + { + new_id.generate(hash_string); + } + return new_id; } LLAssetID LLTransactionID::makeAssetID(const LLUUID& session) const { - LLAssetID result; - if (isNull()) - { - result.setNull(); - } - else - { - combine(session, result); - } - return result; + LLAssetID result; + if (isNull()) + { + result.setNull(); + } + else + { + combine(session, result); + } + return result; } // Construct LLUUID::LLUUID() { - setNull(); + setNull(); } // Faster than copying from memory - void LLUUID::setNull() +void LLUUID::setNull() { - U32 *word = (U32 *)mData; - word[0] = 0; - word[1] = 0; - word[2] = 0; - word[3] = 0; + U32* word = (U32*)mData; + word[0] = 0; + word[1] = 0; + word[2] = 0; + word[3] = 0; } // Compare - bool LLUUID::operator==(const LLUUID& rhs) const +bool LLUUID::operator==(const LLUUID& rhs) const { - U32 *tmp = (U32 *)mData; - U32 *rhstmp = (U32 *)rhs.mData; - // Note: binary & to avoid branching - return - (tmp[0] == rhstmp[0]) & - (tmp[1] == rhstmp[1]) & - (tmp[2] == rhstmp[2]) & - (tmp[3] == rhstmp[3]); + U32* tmp = (U32*)mData; + U32* rhstmp = (U32*)rhs.mData; + // Note: binary & to avoid branching + return + (tmp[0] == rhstmp[0]) & + (tmp[1] == rhstmp[1]) & + (tmp[2] == rhstmp[2]) & + (tmp[3] == rhstmp[3]); } - bool LLUUID::operator!=(const LLUUID& rhs) const +bool LLUUID::operator!=(const LLUUID& rhs) const { - U32 *tmp = (U32 *)mData; - U32 *rhstmp = (U32 *)rhs.mData; - // Note: binary | to avoid branching - return - (tmp[0] != rhstmp[0]) | - (tmp[1] != rhstmp[1]) | - (tmp[2] != rhstmp[2]) | - (tmp[3] != rhstmp[3]); + U32* tmp = (U32*)mData; + U32* rhstmp = (U32*)rhs.mData; + // Note: binary | to avoid branching + return + (tmp[0] != rhstmp[0]) | + (tmp[1] != rhstmp[1]) | + (tmp[2] != rhstmp[2]) | + (tmp[3] != rhstmp[3]); } /* @@ -983,94 +990,94 @@ LLUUID::LLUUID() // to integers, among other things. Use isNull() or notNull(). LLUUID::operator bool() const { - U32 *word = (U32 *)mData; - return (word[0] | word[1] | word[2] | word[3]) > 0; + U32 *word = (U32 *)mData; + return (word[0] | word[1] | word[2] | word[3]) > 0; } */ - BOOL LLUUID::notNull() const +BOOL LLUUID::notNull() const { - U32 *word = (U32 *)mData; - return (word[0] | word[1] | word[2] | word[3]) > 0; + U32* word = (U32*)mData; + return (word[0] | word[1] | word[2] | word[3]) > 0; } // Faster than == LLUUID::null because doesn't require // as much memory access. - BOOL LLUUID::isNull() const +BOOL LLUUID::isNull() const { - U32 *word = (U32 *)mData; - // If all bits are zero, return !0 == TRUE - return !(word[0] | word[1] | word[2] | word[3]); + U32* word = (U32*)mData; + // If all bits are zero, return !0 == TRUE + return !(word[0] | word[1] | word[2] | word[3]); } - LLUUID::LLUUID(const char *in_string) +LLUUID::LLUUID(const char* in_string) { - if (!in_string || in_string[0] == 0) - { - setNull(); - return; - } - - set(in_string); + if (!in_string || in_string[0] == 0) + { + setNull(); + return; + } + + set(in_string); } - LLUUID::LLUUID(const std::string& in_string) +LLUUID::LLUUID(const std::string& in_string) { - if (in_string.empty()) - { - setNull(); - return; - } + if (in_string.empty()) + { + setNull(); + return; + } - set(in_string); + set(in_string); } // IW: DON'T "optimize" these w/ U32s or you'll scoogie the sort order // IW: this will make me very sad - bool LLUUID::operator<(const LLUUID &rhs) const +bool LLUUID::operator<(const LLUUID& rhs) const { - U32 i; - for( i = 0; i < (UUID_BYTES - 1); i++ ) - { - if( mData[i] != rhs.mData[i] ) - { - return (mData[i] < rhs.mData[i]); - } - } - return (mData[UUID_BYTES - 1] < rhs.mData[UUID_BYTES - 1]); + U32 i; + for (i = 0; i < (UUID_BYTES - 1); i++) + { + if (mData[i] != rhs.mData[i]) + { + return (mData[i] < rhs.mData[i]); + } + } + return (mData[UUID_BYTES - 1] < rhs.mData[UUID_BYTES - 1]); } - bool LLUUID::operator>(const LLUUID &rhs) const +bool LLUUID::operator>(const LLUUID& rhs) const { - U32 i; - for( i = 0; i < (UUID_BYTES - 1); i++ ) - { - if( mData[i] != rhs.mData[i] ) - { - return (mData[i] > rhs.mData[i]); - } - } - return (mData[UUID_BYTES - 1] > rhs.mData[UUID_BYTES - 1]); + U32 i; + for (i = 0; i < (UUID_BYTES - 1); i++) + { + if (mData[i] != rhs.mData[i]) + { + return (mData[i] > rhs.mData[i]); + } + } + return (mData[UUID_BYTES - 1] > rhs.mData[UUID_BYTES - 1]); } - U16 LLUUID::getCRC16() const +U16 LLUUID::getCRC16() const { - // A UUID is 16 bytes, or 8 shorts. - U16 *short_data = (U16*)mData; - U16 out = 0; - out += short_data[0]; - out += short_data[1]; - out += short_data[2]; - out += short_data[3]; - out += short_data[4]; - out += short_data[5]; - out += short_data[6]; - out += short_data[7]; - return out; + // A UUID is 16 bytes, or 8 shorts. + U16* short_data = (U16*)mData; + U16 out = 0; + out += short_data[0]; + out += short_data[1]; + out += short_data[2]; + out += short_data[3]; + out += short_data[4]; + out += short_data[5]; + out += short_data[6]; + out += short_data[7]; + return out; } - U32 LLUUID::getCRC32() const +U32 LLUUID::getCRC32() const { - U32 *tmp = (U32*)mData; - return tmp[0] + tmp[1] + tmp[2] + tmp[3]; + U32* tmp = (U32*)mData; + return tmp[0] + tmp[1] + tmp[2] + tmp[3]; } |