]> git.zerfleddert.de Git - proxmark3-svn/blame - client/jansson/jansson.h
fix WaitForResponse (without timeout)
[proxmark3-svn] / client / jansson / jansson.h
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1/*
2 * Copyright (c) 2009-2016 Petri Lehtinen <petri@digip.org>
3 *
4 * Jansson is free software; you can redistribute it and/or modify
5 * it under the terms of the MIT license. See LICENSE for details.
6 */
7
8#ifndef JANSSON_H
9#define JANSSON_H
10
11#include <stdio.h>
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12#include <stdlib.h> /* for size_t */
13#include <stdarg.h>
14
15#include "jansson_config.h"
16
17#ifdef __cplusplus
18extern "C" {
19#endif
20
21/* version */
22
23#define JANSSON_MAJOR_VERSION 2
6a2bd857 24#define JANSSON_MINOR_VERSION 12
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25#define JANSSON_MICRO_VERSION 0
26
27/* Micro version is omitted if it's 0 */
6a2bd857 28#define JANSSON_VERSION "2.12"
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29
30/* Version as a 3-byte hex number, e.g. 0x010201 == 1.2.1. Use this
31 for numeric comparisons, e.g. #if JANSSON_VERSION_HEX >= ... */
32#define JANSSON_VERSION_HEX ((JANSSON_MAJOR_VERSION << 16) | \
33 (JANSSON_MINOR_VERSION << 8) | \
34 (JANSSON_MICRO_VERSION << 0))
35
36/* If __atomic or __sync builtins are available the library is thread
37 * safe for all read-only functions plus reference counting. */
38#if JSON_HAVE_ATOMIC_BUILTINS || JSON_HAVE_SYNC_BUILTINS
39#define JANSSON_THREAD_SAFE_REFCOUNT 1
40#endif
41
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42#if defined(__GNUC__) || defined(__clang__)
43#define JANSSON_ATTRS(...) __attribute__((__VA_ARGS__))
44#else
45#define JANSSON_ATTRS(...)
46#endif
47
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48/* types */
49
50typedef enum {
51 JSON_OBJECT,
52 JSON_ARRAY,
53 JSON_STRING,
54 JSON_INTEGER,
55 JSON_REAL,
56 JSON_TRUE,
57 JSON_FALSE,
58 JSON_NULL
59} json_type;
60
61typedef struct json_t {
62 json_type type;
63 volatile size_t refcount;
64} json_t;
65
66#ifndef JANSSON_USING_CMAKE /* disabled if using cmake */
67#if JSON_INTEGER_IS_LONG_LONG
68#ifdef _WIN32
69#define JSON_INTEGER_FORMAT "I64d"
70#else
71#define JSON_INTEGER_FORMAT "lld"
72#endif
73typedef long long json_int_t;
74#else
75#define JSON_INTEGER_FORMAT "ld"
76typedef long json_int_t;
77#endif /* JSON_INTEGER_IS_LONG_LONG */
78#endif
79
80#define json_typeof(json) ((json)->type)
81#define json_is_object(json) ((json) && json_typeof(json) == JSON_OBJECT)
82#define json_is_array(json) ((json) && json_typeof(json) == JSON_ARRAY)
83#define json_is_string(json) ((json) && json_typeof(json) == JSON_STRING)
84#define json_is_integer(json) ((json) && json_typeof(json) == JSON_INTEGER)
85#define json_is_real(json) ((json) && json_typeof(json) == JSON_REAL)
86#define json_is_number(json) (json_is_integer(json) || json_is_real(json))
87#define json_is_true(json) ((json) && json_typeof(json) == JSON_TRUE)
88#define json_is_false(json) ((json) && json_typeof(json) == JSON_FALSE)
89#define json_boolean_value json_is_true
90#define json_is_boolean(json) (json_is_true(json) || json_is_false(json))
91#define json_is_null(json) ((json) && json_typeof(json) == JSON_NULL)
92
93/* construction, destruction, reference counting */
94
95json_t *json_object(void);
96json_t *json_array(void);
97json_t *json_string(const char *value);
98json_t *json_stringn(const char *value, size_t len);
99json_t *json_string_nocheck(const char *value);
100json_t *json_stringn_nocheck(const char *value, size_t len);
101json_t *json_integer(json_int_t value);
102json_t *json_real(double value);
103json_t *json_true(void);
104json_t *json_false(void);
105#define json_boolean(val) ((val) ? json_true() : json_false())
106json_t *json_null(void);
107
108/* do not call JSON_INTERNAL_INCREF or JSON_INTERNAL_DECREF directly */
109#if JSON_HAVE_ATOMIC_BUILTINS
110#define JSON_INTERNAL_INCREF(json) __atomic_add_fetch(&json->refcount, 1, __ATOMIC_ACQUIRE)
111#define JSON_INTERNAL_DECREF(json) __atomic_sub_fetch(&json->refcount, 1, __ATOMIC_RELEASE)
112#elif JSON_HAVE_SYNC_BUILTINS
113#define JSON_INTERNAL_INCREF(json) __sync_add_and_fetch(&json->refcount, 1)
114#define JSON_INTERNAL_DECREF(json) __sync_sub_and_fetch(&json->refcount, 1)
115#else
116#define JSON_INTERNAL_INCREF(json) (++json->refcount)
117#define JSON_INTERNAL_DECREF(json) (--json->refcount)
118#endif
119
120static JSON_INLINE
121json_t *json_incref(json_t *json)
122{
123 if(json && json->refcount != (size_t)-1)
124 JSON_INTERNAL_INCREF(json);
125 return json;
126}
127
128/* do not call json_delete directly */
129void json_delete(json_t *json);
130
131static JSON_INLINE
132void json_decref(json_t *json)
133{
134 if(json && json->refcount != (size_t)-1 && JSON_INTERNAL_DECREF(json) == 0)
135 json_delete(json);
136}
137
138#if defined(__GNUC__) || defined(__clang__)
139static JSON_INLINE
140void json_decrefp(json_t **json)
141{
142 if(json) {
143 json_decref(*json);
144 *json = NULL;
145 }
146}
147
148#define json_auto_t json_t __attribute__((cleanup(json_decrefp)))
149#endif
150
151
152/* error reporting */
153
154#define JSON_ERROR_TEXT_LENGTH 160
155#define JSON_ERROR_SOURCE_LENGTH 80
156
157typedef struct json_error_t {
158 int line;
159 int column;
160 int position;
161 char source[JSON_ERROR_SOURCE_LENGTH];
162 char text[JSON_ERROR_TEXT_LENGTH];
163} json_error_t;
164
165enum json_error_code {
166 json_error_unknown,
167 json_error_out_of_memory,
168 json_error_stack_overflow,
169 json_error_cannot_open_file,
170 json_error_invalid_argument,
171 json_error_invalid_utf8,
172 json_error_premature_end_of_input,
173 json_error_end_of_input_expected,
174 json_error_invalid_syntax,
175 json_error_invalid_format,
176 json_error_wrong_type,
177 json_error_null_character,
178 json_error_null_value,
179 json_error_null_byte_in_key,
180 json_error_duplicate_key,
181 json_error_numeric_overflow,
182 json_error_item_not_found,
183 json_error_index_out_of_range
184};
185
186static JSON_INLINE enum json_error_code json_error_code(const json_error_t *e) {
187 return (enum json_error_code)e->text[JSON_ERROR_TEXT_LENGTH - 1];
188}
189
190/* getters, setters, manipulation */
191
192void json_object_seed(size_t seed);
193size_t json_object_size(const json_t *object);
6a2bd857 194json_t *json_object_get(const json_t *object, const char *key) JANSSON_ATTRS(warn_unused_result);
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195int json_object_set_new(json_t *object, const char *key, json_t *value);
196int json_object_set_new_nocheck(json_t *object, const char *key, json_t *value);
197int json_object_del(json_t *object, const char *key);
198int json_object_clear(json_t *object);
199int json_object_update(json_t *object, json_t *other);
200int json_object_update_existing(json_t *object, json_t *other);
201int json_object_update_missing(json_t *object, json_t *other);
202void *json_object_iter(json_t *object);
203void *json_object_iter_at(json_t *object, const char *key);
204void *json_object_key_to_iter(const char *key);
205void *json_object_iter_next(json_t *object, void *iter);
206const char *json_object_iter_key(void *iter);
207json_t *json_object_iter_value(void *iter);
208int json_object_iter_set_new(json_t *object, void *iter, json_t *value);
209
210#define json_object_foreach(object, key, value) \
211 for(key = json_object_iter_key(json_object_iter(object)); \
212 key && (value = json_object_iter_value(json_object_key_to_iter(key))); \
213 key = json_object_iter_key(json_object_iter_next(object, json_object_key_to_iter(key))))
214
215#define json_object_foreach_safe(object, n, key, value) \
216 for(key = json_object_iter_key(json_object_iter(object)), \
217 n = json_object_iter_next(object, json_object_key_to_iter(key)); \
218 key && (value = json_object_iter_value(json_object_key_to_iter(key))); \
219 key = json_object_iter_key(n), \
220 n = json_object_iter_next(object, json_object_key_to_iter(key)))
221
222#define json_array_foreach(array, index, value) \
223 for(index = 0; \
224 index < json_array_size(array) && (value = json_array_get(array, index)); \
225 index++)
226
227static JSON_INLINE
228int json_object_set(json_t *object, const char *key, json_t *value)
229{
230 return json_object_set_new(object, key, json_incref(value));
231}
232
233static JSON_INLINE
234int json_object_set_nocheck(json_t *object, const char *key, json_t *value)
235{
236 return json_object_set_new_nocheck(object, key, json_incref(value));
237}
238
239static JSON_INLINE
240int json_object_iter_set(json_t *object, void *iter, json_t *value)
241{
242 return json_object_iter_set_new(object, iter, json_incref(value));
243}
244
245size_t json_array_size(const json_t *array);
6a2bd857 246json_t *json_array_get(const json_t *array, size_t index) JANSSON_ATTRS(warn_unused_result);
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247int json_array_set_new(json_t *array, size_t index, json_t *value);
248int json_array_append_new(json_t *array, json_t *value);
249int json_array_insert_new(json_t *array, size_t index, json_t *value);
250int json_array_remove(json_t *array, size_t index);
251int json_array_clear(json_t *array);
252int json_array_extend(json_t *array, json_t *other);
253
254static JSON_INLINE
255int json_array_set(json_t *array, size_t ind, json_t *value)
256{
257 return json_array_set_new(array, ind, json_incref(value));
258}
259
260static JSON_INLINE
261int json_array_append(json_t *array, json_t *value)
262{
263 return json_array_append_new(array, json_incref(value));
264}
265
266static JSON_INLINE
267int json_array_insert(json_t *array, size_t ind, json_t *value)
268{
269 return json_array_insert_new(array, ind, json_incref(value));
270}
271
272const char *json_string_value(const json_t *string);
273size_t json_string_length(const json_t *string);
274json_int_t json_integer_value(const json_t *integer);
275double json_real_value(const json_t *real);
276double json_number_value(const json_t *json);
277
278int json_string_set(json_t *string, const char *value);
279int json_string_setn(json_t *string, const char *value, size_t len);
280int json_string_set_nocheck(json_t *string, const char *value);
281int json_string_setn_nocheck(json_t *string, const char *value, size_t len);
282int json_integer_set(json_t *integer, json_int_t value);
283int json_real_set(json_t *real, double value);
284
285/* pack, unpack */
286
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287json_t *json_pack(const char *fmt, ...) JANSSON_ATTRS(warn_unused_result);
288json_t *json_pack_ex(json_error_t *error, size_t flags, const char *fmt, ...) JANSSON_ATTRS(warn_unused_result);
289json_t *json_vpack_ex(json_error_t *error, size_t flags, const char *fmt, va_list ap) JANSSON_ATTRS(warn_unused_result);
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290
291#define JSON_VALIDATE_ONLY 0x1
292#define JSON_STRICT 0x2
293
294int json_unpack(json_t *root, const char *fmt, ...);
295int json_unpack_ex(json_t *root, json_error_t *error, size_t flags, const char *fmt, ...);
296int json_vunpack_ex(json_t *root, json_error_t *error, size_t flags, const char *fmt, va_list ap);
297
298/* sprintf */
299
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300json_t *json_sprintf(const char *fmt, ...) JANSSON_ATTRS(warn_unused_result, format(printf, 1, 2));
301json_t *json_vsprintf(const char *fmt, va_list ap) JANSSON_ATTRS(warn_unused_result, format(printf, 1, 0));
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302
303
304/* equality */
305
306int json_equal(const json_t *value1, const json_t *value2);
307
308
309/* copying */
310
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311json_t *json_copy(json_t *value) JANSSON_ATTRS(warn_unused_result);
312json_t *json_deep_copy(const json_t *value) JANSSON_ATTRS(warn_unused_result);
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313
314json_t *json_path_get(const json_t *json, const char *path);
315int json_path_set_new(json_t *json, const char *path, json_t *value, size_t flags, json_error_t *error);
316
317static JSON_INLINE
318int json_path_set(json_t *json, const char *path, json_t *value, size_t flags, json_error_t *error)
319{
320 return json_path_set_new(json, path, json_incref(value), flags, error);
321}
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322
323/* decoding */
324
325#define JSON_REJECT_DUPLICATES 0x1
326#define JSON_DISABLE_EOF_CHECK 0x2
327#define JSON_DECODE_ANY 0x4
328#define JSON_DECODE_INT_AS_REAL 0x8
329#define JSON_ALLOW_NUL 0x10
330
331typedef size_t (*json_load_callback_t)(void *buffer, size_t buflen, void *data);
332
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333json_t *json_loads(const char *input, size_t flags, json_error_t *error) JANSSON_ATTRS(warn_unused_result);
334json_t *json_loadb(const char *buffer, size_t buflen, size_t flags, json_error_t *error) JANSSON_ATTRS(warn_unused_result);
335json_t *json_loadf(FILE *input, size_t flags, json_error_t *error) JANSSON_ATTRS(warn_unused_result);
336json_t *json_loadfd(int input, size_t flags, json_error_t *error) JANSSON_ATTRS(warn_unused_result);
337json_t *json_load_file(const char *path, size_t flags, json_error_t *error) JANSSON_ATTRS(warn_unused_result);
338json_t *json_load_callback(json_load_callback_t callback, void *data, size_t flags, json_error_t *error) JANSSON_ATTRS(warn_unused_result);
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339
340
341/* encoding */
342
343#define JSON_MAX_INDENT 0x1F
344#define JSON_INDENT(n) ((n) & JSON_MAX_INDENT)
345#define JSON_COMPACT 0x20
346#define JSON_ENSURE_ASCII 0x40
347#define JSON_SORT_KEYS 0x80
348#define JSON_PRESERVE_ORDER 0x100
349#define JSON_ENCODE_ANY 0x200
350#define JSON_ESCAPE_SLASH 0x400
351#define JSON_REAL_PRECISION(n) (((n) & 0x1F) << 11)
352#define JSON_EMBED 0x10000
353
354typedef int (*json_dump_callback_t)(const char *buffer, size_t size, void *data);
355
6a2bd857 356char *json_dumps(const json_t *json, size_t flags) JANSSON_ATTRS(warn_unused_result);
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357size_t json_dumpb(const json_t *json, char *buffer, size_t size, size_t flags);
358int json_dumpf(const json_t *json, FILE *output, size_t flags);
359int json_dumpfd(const json_t *json, int output, size_t flags);
360int json_dump_file(const json_t *json, const char *path, size_t flags);
361int json_dump_callback(const json_t *json, json_dump_callback_t callback, void *data, size_t flags);
362
363/* custom memory allocation */
364
365typedef void *(*json_malloc_t)(size_t);
366typedef void (*json_free_t)(void *);
367
368void json_set_alloc_funcs(json_malloc_t malloc_fn, json_free_t free_fn);
369void json_get_alloc_funcs(json_malloc_t *malloc_fn, json_free_t *free_fn);
370
371#ifdef __cplusplus
372}
373#endif
374
375#endif
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