2 * Copyright (c) 2011 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 data_dealloc(void *ptr
)
43 data_cmp(void *a
, void *b
)
45 heim_octet_string
*osa
= a
, *osb
= b
;
46 if (osa
->length
!= osb
->length
)
47 return osa
->length
- osb
->length
;
48 return memcmp(osa
->data
, osb
->data
, osa
->length
);
54 heim_octet_string
*os
= ptr
;
55 const unsigned char *s
= os
->data
;
59 return s
[0] | (s
[1] << 8) |
60 (s
[os
->length
- 2] << 16) | (s
[os
->length
- 1] << 24);
63 struct heim_type_data _heim_data_object
= {
74 * Create a data object
76 * @param string the string to create, must be an utf8 string
78 * @return string object
82 heim_data_create(const void *data
, size_t length
)
84 heim_octet_string
*os
;
86 os
= _heim_alloc_object(&_heim_data_object
, sizeof(*os
) + length
);
88 os
->data
= (uint8_t *)os
+ sizeof(*os
);
90 memcpy(os
->data
, data
, length
);
92 return (heim_data_t
)os
;
96 * Return the type ID of data objects
98 * @return type id of string objects
102 heim_data_get_type_id(void)
104 return HEIM_TID_DATA
;
108 * Get the data value of the content.
110 * @param data the data object to get the value from
112 * @return a heim_octet_string
115 const heim_octet_string
*
116 heim_data_get_data(heim_data_t data
)
118 return (const heim_octet_string
*)data
;
122 heim_data_get_ptr(heim_data_t data
)
124 return ((const heim_octet_string
*)data
)->data
;
127 size_t heim_data_get_length(heim_data_t data
)
129 return ((const heim_octet_string
*)data
)->length
;