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 #include <string.h> 38 39 static void 40 string_dealloc(void *ptr) 41 { 42 } 43 44 static int 45 string_cmp(void *a, void *b) 46 { 47 return strcmp(a, b); 48 } 49 50 static unsigned long 51 string_hash(void *ptr) 52 { 53 const char *s = ptr; 54 unsigned long n; 55 56 for (n = 0; *s; ++s) 57 n += *s; 58 return n; 59 } 60 61 struct heim_type_data _heim_string_object = { 62 HEIM_TID_STRING, 63 "string-object", 64 NULL, 65 string_dealloc, 66 NULL, 67 string_cmp, 68 string_hash 69 }; 70 71 /** 72 * Create a string object 73 * 74 * @param string the string to create, must be an utf8 string 75 * 76 * @return string object 77 */ 78 79 heim_string_t 80 heim_string_create(const char *string) 81 { 82 size_t len = strlen(string); 83 heim_string_t s; 84 85 s = _heim_alloc_object(&_heim_string_object, len + 1); 86 if (s) 87 memcpy(s, string, len + 1); 88 return s; 89 } 90 91 /** 92 * Return the type ID of string objects 93 * 94 * @return type id of string objects 95 */ 96 97 heim_tid_t 98 heim_string_get_type_id(void) 99 { 100 return HEIM_TID_STRING; 101 } 102 103 /** 104 * Get the string value of the content. 105 * 106 * @param string the string object to get the value from 107 * 108 * @return a utf8 string 109 */ 110 111 const char * 112 heim_string_get_utf8(heim_string_t string) 113 { 114 return (const char *)string; 115 } 116