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Neither the name of Novell Inc. nor the names of its contributors * may be used to endorse or promote products derived from this * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * @APPLE_LICENSE_HEADER_END@ */ /* ** ** NAME: ** ** uuidp.h ** ** FACILITY: ** ** UUID ** ** ABSTRACT: ** ** Interface Definitions for UUID subroutines used by ** the uuid module ** ** */ #ifndef _UUIDP_H #define _UUIDP_H 1 /* * Max size of a uuid string: tttttttt-tttt-cccc-cccc-nnnnnnnnnnnn * Note: this includes the implied '\0' */ #define UUID_C_UUID_STRING_MAX 37 /* * defines for time calculations */ #ifndef UUID_C_100NS_PER_SEC #define UUID_C_100NS_PER_SEC 10000000 #endif #ifndef UUID_C_100NS_PER_USEC #define UUID_C_100NS_PER_USEC 10 #endif /* * UADD_UVLW_2_UVLW - macro to add two unsigned 64-bit long integers * (ie. add two unsigned 'very' long words) * * Important note: It is important that this macro accommodate (and it does) * invocations where one of the addends is also the sum. * * This macro was snarfed from the DTSS group and was originally: * * UTCadd - macro to add two UTC times * * add lo and high order longword separately, using sign bits of the low-order * longwords to determine carry. sign bits are tested before addition in two * cases - where sign bits match. when the addend sign bits differ the sign of * the result is also tested: * * sign sign * addend 1 addend 2 carry? * * 1 1 TRUE * 1 0 TRUE if sign of sum clear * 0 1 TRUE if sign of sum clear * 0 0 FALSE */ #define UADD_UVLW_2_UVLW(add1, add2, sum) \ if (!(((add1)->lo&0x80000000UL) ^ ((add2)->lo&0x80000000UL))) \ { \ if (((add1)->lo&0x80000000UL)) \ { \ (sum)->lo = (add1)->lo + (add2)->lo ; \ (sum)->hi = (add1)->hi + (add2)->hi+1 ; \ } \ else \ { \ (sum)->lo = (add1)->lo + (add2)->lo ; \ (sum)->hi = (add1)->hi + (add2)->hi ; \ } \ } \ else \ { \ (sum)->lo = (add1)->lo + (add2)->lo ; \ (sum)->hi = (add1)->hi + (add2)->hi ; \ if (!((sum)->lo&0x80000000UL)) \ (sum)->hi++ ; \ } /* * UADD_ULW_2_UVLW - macro to add a 32-bit unsigned integer to * a 64-bit unsigned integer * * Note: see the UADD_UVLW_2_UVLW() macro * */ #define UADD_ULW_2_UVLW(add1, add2, sum) \ { \ (sum)->hi = (add2)->hi; \ if ((*add1) & (add2)->lo & 0x80000000UL) \ { \ (sum)->lo = (*add1) + (add2)->lo; \ (sum)->hi++; \ } \ else \ { \ (sum)->lo = (*add1) + (add2)->lo; \ if (!((sum)->lo & 0x80000000UL)) \ { \ (sum)->hi++; \ } \ } \ } /* * UADD_UW_2_UVLW - macro to add a 16-bit unsigned integer to * a 64-bit unsigned integer * * Note: see the UADD_UVLW_2_UVLW() macro * */ #define UADD_UW_2_UVLW(add1, add2, sum) \ { \ (sum)->hi = (add2)->hi; \ if ((add2)->lo & 0x80000000UL) \ { \ (sum)->lo = (*add1) + (add2)->lo; \ if (!((sum)->lo & 0x80000000UL)) \ { \ (sum)->hi++; \ } \ } \ else \ { \ (sum)->lo = (*add1) + (add2)->lo; \ } \ } /* * a macro to set *status uuid_s_coding_error */ #ifdef CODING_ERROR #undef CODING_ERROR #endif #ifdef DEBUG #define CODING_ERROR(status) *(status) = uuid_s_coding_error #else #define CODING_ERROR(status) #endif typedef struct { char eaddr[6]; /* 6 bytes of ethernet hardware address */ } uuid_address_t, *uuid_address_p_t; typedef struct { unsigned32 lo; unsigned32 hi; } uuid_time_t, *uuid_time_p_t; typedef struct { unsigned32 lo; unsigned32 hi; } unsigned64_t, *unsigned64_p_t; /* * U U I D _ _ U E M U L * * 32-bit unsigned * 32-bit unsigned multiply -> 64-bit result */ void uuid__uemul ( unsigned32 /*u*/, unsigned32 /*v*/, unsigned64_t * /*prodPtr*/ ); /* * U U I D _ _ R E A D _ C L O C K */ unsigned16 uuid__read_clock ( void ); /* * U U I D _ _ W R I T E _ C L O C K */ void uuid__write_clock ( unsigned16 /*time*/ ); /* * U U I D _ _ G E T _ O S _ P I D * * Get the process id */ unsigned32 uuid__get_os_pid ( void ); /* * U U I D _ _ G E T _ O S _ T I M E * * Get OS time */ void uuid__get_os_time ( uuid_time_t * /*uuid_time*/); /* * U U I D _ _ G E T _ O S _ A D D R E S S * * Get ethernet hardware address from the OS */ void uuid__get_os_address ( uuid_address_t * /*address*/, unsigned32 * /*st*/ ); #endif /* _UUIDP_H */