xref: /freebsd/crypto/heimdal/base/heimbase.h (revision af23369a6deaaeb612ab266eb88b8bb8d560c322)
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 #ifndef HEIM_BASE_H
37 #define HEIM_BASE_H 1
38 
39 #include <sys/types.h>
40 #include <krb5-types.h>
41 #include <stdarg.h>
42 #include <stdbool.h>
43 
44 typedef void * heim_object_t;
45 typedef unsigned int heim_tid_t;
46 typedef heim_object_t heim_bool_t;
47 typedef heim_object_t heim_null_t;
48 #define HEIM_BASE_ONCE_INIT 0
49 typedef long heim_base_once_t; /* XXX arch dependant */
50 
51 #if !defined(__has_extension)
52 #define __has_extension(x) 0
53 #endif
54 
55 #define HEIM_REQUIRE_GNUC(m,n,p) \
56     (((__GNUC__ * 10000) + (__GNUC_MINOR__ * 100) + __GNUC_PATCHLEVEL__) >= \
57      (((m) * 10000) + ((n) * 100) + (p)))
58 
59 
60 #if __has_extension(__builtin_expect) || HEIM_REQUIRE_GNUC(3,0,0)
61 #define heim_builtin_expect(_op,_res) __builtin_expect(_op,_res)
62 #else
63 #define heim_builtin_expect(_op,_res) (_op)
64 #endif
65 
66 
67 void *	heim_retain(heim_object_t);
68 void	heim_release(heim_object_t);
69 
70 typedef void (*heim_type_dealloc)(void *);
71 
72 void *
73 heim_alloc(size_t size, const char *name, heim_type_dealloc dealloc);
74 
75 heim_tid_t
76 heim_get_tid(heim_object_t object);
77 
78 int
79 heim_cmp(heim_object_t a, heim_object_t b);
80 
81 unsigned long
82 heim_get_hash(heim_object_t ptr);
83 
84 void
85 heim_base_once_f(heim_base_once_t *, void *, void (*)(void *));
86 
87 void
88 heim_abort(const char *fmt, ...)
89     HEIMDAL_NORETURN_ATTRIBUTE
90     HEIMDAL_PRINTF_ATTRIBUTE((printf, 1, 2));
91 
92 void
93 heim_abortv(const char *fmt, va_list ap)
94     HEIMDAL_NORETURN_ATTRIBUTE
95     HEIMDAL_PRINTF_ATTRIBUTE((printf, 1, 0));
96 
97 #define heim_assert(e,t) \
98     (heim_builtin_expect(!(e), 0) ? heim_abort(t ":" #e) : (void)0)
99 
100 /*
101  *
102  */
103 
104 heim_null_t
105 heim_null_create(void);
106 
107 heim_bool_t
108 heim_bool_create(int);
109 
110 int
111 heim_bool_val(heim_bool_t);
112 
113 /*
114  * Array
115  */
116 
117 typedef struct heim_array_data *heim_array_t;
118 
119 heim_array_t heim_array_create(void);
120 heim_tid_t heim_array_get_type_id(void);
121 
122 typedef void (*heim_array_iterator_f_t)(heim_object_t, void *);
123 
124 int	heim_array_append_value(heim_array_t, heim_object_t);
125 void	heim_array_iterate_f(heim_array_t, heim_array_iterator_f_t, void *);
126 #ifdef __BLOCKS__
127 void	heim_array_iterate(heim_array_t, void (^)(heim_object_t));
128 #endif
129 size_t	heim_array_get_length(heim_array_t);
130 heim_object_t
131 	heim_array_copy_value(heim_array_t, size_t);
132 void	heim_array_delete_value(heim_array_t, size_t);
133 #ifdef __BLOCKS__
134 void	heim_array_filter(heim_array_t, int (^)(heim_object_t));
135 #endif
136 
137 /*
138  * Dict
139  */
140 
141 typedef struct heim_dict_data *heim_dict_t;
142 
143 heim_dict_t heim_dict_create(size_t size);
144 heim_tid_t heim_dict_get_type_id(void);
145 
146 typedef void (*heim_dict_iterator_f_t)(heim_object_t, heim_object_t, void *);
147 
148 int	heim_dict_add_value(heim_dict_t, heim_object_t, heim_object_t);
149 void	heim_dict_iterate_f(heim_dict_t, heim_dict_iterator_f_t, void *);
150 #ifdef __BLOCKS__
151 void	heim_dict_iterate(heim_dict_t, void (^)(heim_object_t, heim_object_t));
152 #endif
153 
154 heim_object_t
155 	heim_dict_copy_value(heim_dict_t, heim_object_t);
156 void	heim_dict_delete_key(heim_dict_t, heim_object_t);
157 
158 /*
159  * String
160  */
161 
162 typedef struct heim_string_data *heim_string_t;
163 
164 heim_string_t heim_string_create(const char *);
165 heim_tid_t heim_string_get_type_id(void);
166 const char * heim_string_get_utf8(heim_string_t);
167 
168 /*
169  * Number
170  */
171 
172 typedef struct heim_number_data *heim_number_t;
173 
174 heim_number_t heim_number_create(int);
175 heim_tid_t heim_number_get_type_id(void);
176 int heim_number_get_int(heim_number_t);
177 
178 /*
179  *
180  */
181 
182 typedef struct heim_auto_release * heim_auto_release_t;
183 
184 heim_auto_release_t heim_auto_release_create(void);
185 void heim_auto_release_drain(heim_auto_release_t);
186 void heim_auto_release(heim_object_t);
187 
188 #endif /* HEIM_BASE_H */
189