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[proxmark3-svn] / client / jansson / jansson_private.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_PRIVATE_H
9#define JANSSON_PRIVATE_H
10
11#ifdef HAVE_CONFIG_H
12#include <jansson_private_config.h>
13#endif
14
15#include <stddef.h>
16#include "jansson.h"
17#include "hashtable.h"
18#include "strbuffer.h"
19
20#define container_of(ptr_, type_, member_) \
21 ((type_ *)((char *)ptr_ - offsetof(type_, member_)))
22
23/* On some platforms, max() may already be defined */
24#ifndef max
25#define max(a, b) ((a) > (b) ? (a) : (b))
26#endif
27
28/* va_copy is a C99 feature. In C89 implementations, it's sometimes
29 available as __va_copy. If not, memcpy() should do the trick. */
30#ifndef va_copy
31#ifdef __va_copy
32#define va_copy __va_copy
33#else
34#define va_copy(a, b) memcpy(&(a), &(b), sizeof(va_list))
35#endif
36#endif
37
38typedef struct {
39 json_t json;
40 hashtable_t hashtable;
41} json_object_t;
42
43typedef struct {
44 json_t json;
45 size_t size;
46 size_t entries;
47 json_t **table;
48} json_array_t;
49
50typedef struct {
51 json_t json;
52 char *value;
53 size_t length;
54} json_string_t;
55
56typedef struct {
57 json_t json;
58 double value;
59} json_real_t;
60
61typedef struct {
62 json_t json;
63 json_int_t value;
64} json_integer_t;
65
66#define json_to_object(json_) container_of(json_, json_object_t, json)
67#define json_to_array(json_) container_of(json_, json_array_t, json)
68#define json_to_string(json_) container_of(json_, json_string_t, json)
69#define json_to_real(json_) container_of(json_, json_real_t, json)
70#define json_to_integer(json_) container_of(json_, json_integer_t, json)
71
72/* Create a string by taking ownership of an existing buffer */
73json_t *jsonp_stringn_nocheck_own(const char *value, size_t len);
74
75/* Error message formatting */
76void jsonp_error_init(json_error_t *error, const char *source);
77void jsonp_error_set_source(json_error_t *error, const char *source);
78void jsonp_error_set(json_error_t *error, int line, int column,
79 size_t position, enum json_error_code code,
80 const char *msg, ...);
81void jsonp_error_vset(json_error_t *error, int line, int column,
82 size_t position, enum json_error_code code,
83 const char *msg, va_list ap);
84
85/* Locale independent string<->double conversions */
86int jsonp_strtod(strbuffer_t *strbuffer, double *out);
87int jsonp_dtostr(char *buffer, size_t size, double value, int prec);
88
89/* Wrappers for custom memory functions */
90void* jsonp_malloc(size_t size) JANSSON_ATTRS(warn_unused_result);
91void jsonp_free(void *ptr);
92char *jsonp_strndup(const char *str, size_t length) JANSSON_ATTRS(warn_unused_result);
93char *jsonp_strdup(const char *str) JANSSON_ATTRS(warn_unused_result);
94char *jsonp_strndup(const char *str, size_t len) JANSSON_ATTRS(warn_unused_result);
95
96
97/* Windows compatibility */
98#if defined(_WIN32) || defined(WIN32)
99# if defined(_MSC_VER) /* MS compiller */
100# if (_MSC_VER < 1900) && !defined(snprintf) /* snprintf not defined yet & not introduced */
101# define snprintf _snprintf
102# endif
103# if (_MSC_VER < 1500) && !defined(vsnprintf) /* vsnprintf not defined yet & not introduced */
104# define vsnprintf(b,c,f,a) _vsnprintf(b,c,f,a)
105# endif
106# else /* Other Windows compiller, old definition */
107# define snprintf _snprintf
108# define vsnprintf _vsnprintf
109# endif
110#endif
111
112#endif
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