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