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/*
* Copyright (c) 2009-2016 Petri Lehtinen <petri@digip.org>
*
* Jansson is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#ifndef JANSSON_PRIVATE_H
#define JANSSON_PRIVATE_H
#include "jansson_private_config.h"
#include <stddef.h>
#include "jansson.h"
#include "hashtable.h"
#include "strbuffer.h"
#define container_of(ptr_, type_, member_) \
((type_ *)((char *)ptr_ - offsetof(type_, member_)))
/* On some platforms, max() may already be defined */
#ifndef max
#define max(a, b) ((a) > (b) ? (a) : (b))
#endif
/* va_copy is a C99 feature. In C89 implementations, it's sometimes
available as __va_copy. If not, memcpy() should do the trick. */
#ifndef va_copy
#ifdef __va_copy
#define va_copy __va_copy
#else
#define va_copy(a, b) memcpy(&(a), &(b), sizeof(va_list))
#endif
#endif
typedef struct {
json_t json;
hashtable_t hashtable;
int visited;
} json_object_t;
typedef struct {
json_t json;
size_t size;
size_t entries;
json_t **table;
int visited;
} json_array_t;
typedef struct {
json_t json;
char *value;
size_t length;
} json_string_t;
typedef struct {
json_t json;
double value;
} json_real_t;
typedef struct {
json_t json;
json_int_t value;
} json_integer_t;
#define json_to_object(json_) container_of(json_, json_object_t, json)
#define json_to_array(json_) container_of(json_, json_array_t, json)
#define json_to_string(json_) container_of(json_, json_string_t, json)
#define json_to_real(json_) container_of(json_, json_real_t, json)
#define json_to_integer(json_) container_of(json_, json_integer_t, json)
/* Create a string by taking ownership of an existing buffer */
json_t *jsonp_stringn_nocheck_own(const char *value, size_t len);
/* Error message formatting */
void jsonp_error_init(json_error_t *error, const char *source);
void jsonp_error_set_source(json_error_t *error, const char *source);
void jsonp_error_set(json_error_t *error, int line, int column,
size_t position, const char *msg, ...);
void jsonp_error_vset(json_error_t *error, int line, int column,
size_t position, const char *msg, va_list ap);
/* Locale independent string<->double conversions */
int jsonp_strtod(strbuffer_t *strbuffer, double *out);
int jsonp_dtostr(char *buffer, size_t size, double value, int prec);
/* Wrappers for custom memory functions */
void* jsonp_malloc(size_t size);
void jsonp_free(void *ptr);
char *jsonp_strndup(const char *str, size_t length);
char *jsonp_strdup(const char *str);
char *jsonp_strndup(const char *str, size_t len);
/* Windows compatibility */
#if defined(_WIN32) || defined(WIN32)
# if defined(_MSC_VER) /* MS compiller */
# if (_MSC_VER < 1900) && !defined(snprintf) /* snprintf not defined yet & not introduced */
# define snprintf _snprintf
# endif
# if (_MSC_VER < 1500) && !defined(vsnprintf) /* vsnprintf not defined yet & not introduced */
# define vsnprintf(b,c,f,a) _vsnprintf(b,c,f,a)
# endif
# else /* Other Windows compiller, old definition */
# define snprintf _snprintf
# define vsnprintf _vsnprintf
# endif
#endif
#endif
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