Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2010 Kungliga Tekniska Högskolan
       3             :  * (Royal Institute of Technology, Stockholm, Sweden).
       4             :  * All rights reserved.
       5             :  *
       6             :  * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
       7             :  *
       8             :  * Redistribution and use in source and binary forms, with or without
       9             :  * modification, are permitted provided that the following conditions
      10             :  * are met:
      11             :  *
      12             :  * 1. Redistributions of source code must retain the above copyright
      13             :  *    notice, this list of conditions and the following disclaimer.
      14             :  *
      15             :  * 2. Redistributions in binary form must reproduce the above copyright
      16             :  *    notice, this list of conditions and the following disclaimer in the
      17             :  *    documentation and/or other materials provided with the distribution.
      18             :  *
      19             :  * 3. Neither the name of the Institute nor the names of its contributors
      20             :  *    may be used to endorse or promote products derived from this software
      21             :  *    without specific prior written permission.
      22             :  *
      23             :  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
      24             :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      25             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      26             :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
      27             :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      28             :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      29             :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      30             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      31             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      32             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      33             :  * SUCH DAMAGE.
      34             :  */
      35             : 
      36             : #include "baselocl.h"
      37             : 
      38             : static void HEIM_CALLCONV
      39      215286 : number_dealloc(void *ptr)
      40             : {
      41      215286 : }
      42             : 
      43             : static int
      44           0 : number_cmp(void *a, void *b)
      45             : {
      46           0 :     int na, nb;
      47             : 
      48           0 :     if (heim_base_is_tagged_object(a))
      49           0 :         na = heim_base_tagged_object_value(a);
      50             :     else
      51           0 :         na = *(int *)a;
      52             : 
      53           0 :     if (heim_base_is_tagged_object(b))
      54           0 :         nb = heim_base_tagged_object_value(b);
      55             :     else
      56           0 :         nb = *(int *)b;
      57             : 
      58           0 :     return na - nb;
      59             : }
      60             : 
      61             : static uintptr_t
      62           0 : number_hash(void *ptr)
      63             : {
      64           0 :     if (heim_base_is_tagged_object(ptr))
      65           0 :         return heim_base_tagged_object_value(ptr);
      66           0 :     return (uintptr_t)*(int64_t *)ptr;
      67             : }
      68             : 
      69             : struct heim_type_data _heim_number_object = {
      70             :     HEIM_TID_NUMBER,
      71             :     "number-object",
      72             :     NULL,
      73             :     number_dealloc,
      74             :     NULL,
      75             :     number_cmp,
      76             :     number_hash,
      77             :     NULL
      78             : };
      79             : 
      80             : /**
      81             :  * Create a number object
      82             :  *
      83             :  * @param the number to contain in the object
      84             :  *
      85             :  * @return a number object
      86             :  */
      87             : 
      88             : heim_number_t
      89      467180 : heim_number_create(int64_t number)
      90             : {
      91       16577 :     heim_number_t n;
      92             : 
      93      467180 :     if (number < 0xffffff && number >= 0)
      94      251894 :         return heim_base_make_tagged_object(number, HEIM_TID_NUMBER);
      95             : 
      96      215286 :     n = _heim_alloc_object(&_heim_number_object, sizeof(int64_t));
      97      215286 :     if (n)
      98      215286 :         *((int64_t *)n) = number;
      99      207972 :     return n;
     100             : }
     101             : 
     102             : /**
     103             :  * Return the type ID of number objects
     104             :  *
     105             :  * @return type id of number objects
     106             :  */
     107             : 
     108             : heim_tid_t
     109           0 : heim_number_get_type_id(void)
     110             : {
     111           0 :     return HEIM_TID_NUMBER;
     112             : }
     113             : 
     114             : /**
     115             :  * Get the int value of the content
     116             :  *
     117             :  * @param number the number object to get the value from
     118             :  *
     119             :  * @return an int
     120             :  */
     121             : 
     122             : int
     123       62300 : heim_number_get_int(heim_number_t number)
     124             : {
     125       62300 :     if (heim_base_is_tagged_object(number))
     126       62300 :         return heim_base_tagged_object_value(number);
     127           0 :     return (int)(*(int64_t *)number);
     128             : }
     129             : 
     130             : int64_t
     131      356171 : heim_number_get_long(heim_number_t number)
     132             : {
     133      356171 :     if (heim_base_is_tagged_object(number))
     134      140885 :         return heim_base_tagged_object_value(number);
     135      215286 :     return *(int64_t *)number;
     136             : }