1 /* $NetBSD: string.c,v 1.1.1.1 2011/04/13 18:14:32 elric Exp $ */
2
3 /*
4 * Copyright (c) 2010 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 *
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * 3. Neither the name of the Institute nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38 #include "baselocl.h"
39 #include <string.h>
40
41 static void
string_dealloc(void * ptr)42 string_dealloc(void *ptr)
43 {
44 }
45
46 static int
string_cmp(void * a,void * b)47 string_cmp(void *a, void *b)
48 {
49 return strcmp(a, b);
50 }
51
52 static unsigned long
string_hash(void * ptr)53 string_hash(void *ptr)
54 {
55 const char *s = ptr;
56 unsigned long n;
57
58 for (n = 0; *s; ++s)
59 n += *s;
60 return n;
61 }
62
63 struct heim_type_data _heim_string_object = {
64 HEIM_TID_STRING,
65 "string-object",
66 NULL,
67 string_dealloc,
68 NULL,
69 string_cmp,
70 string_hash
71 };
72
73 /**
74 * Create a string object
75 *
76 * @param string the string to create, must be an utf8 string
77 *
78 * @return string object
79 */
80
81 heim_string_t
heim_string_create(const char * string)82 heim_string_create(const char *string)
83 {
84 size_t len = strlen(string);
85 heim_string_t s;
86
87 s = _heim_alloc_object(&_heim_string_object, len + 1);
88 if (s)
89 memcpy(s, string, len + 1);
90 return s;
91 }
92
93 /**
94 * Return the type ID of string objects
95 *
96 * @return type id of string objects
97 */
98
99 heim_tid_t
heim_string_get_type_id(void)100 heim_string_get_type_id(void)
101 {
102 return HEIM_TID_STRING;
103 }
104
105 /**
106 * Get the string value of the content.
107 *
108 * @param string the string object to get the value from
109 *
110 * @return a utf8 string
111 */
112
113 const char *
heim_string_get_utf8(heim_string_t string)114 heim_string_get_utf8(heim_string_t string)
115 {
116 return (const char *)string;
117 }
118