git.zerfleddert.de Git - proxmark3-svn/blob - client/jansson/jansson_private.h

   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
  38 typedef struct {
  39     json_t json;
  40     hashtable_t hashtable;
  41 } json_object_t;
  42
  43 typedef struct {
  44     json_t json;
  45     size_t size;
  46     size_t entries;
  47     json_t **table;
  48 } json_array_t;
  49
  50 typedef struct {
  51     json_t json;
  52     char *value;
  53     size_t length;
  54 } json_string_t;
  55
  56 typedef struct {
  57     json_t json;
  58     double value;
  59 } json_real_t;
  60
  61 typedef 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 */
  73 json_t *jsonp_stringn_nocheck_own(const char *value, size_t len);
  74
  75 /* Error message formatting */
  76 void jsonp_error_init(json_error_t *error, const char *source);
  77 void jsonp_error_set_source(json_error_t *error, const char *source);
  78 void jsonp_error_set(json_error_t *error, int line, int column,
  79                      size_t position, enum json_error_code code,
  80                      const char *msg, ...);
  81 void 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 */
  86 int jsonp_strtod(strbuffer_t *strbuffer, double *out);
  87 int jsonp_dtostr(char *buffer, size_t size, double value, int prec);
  88
  89 /* Wrappers for custom memory functions */
  90 void* jsonp_malloc(size_t size);
  91 void jsonp_free(void *ptr);
  92 char *jsonp_strndup(const char *str, size_t length);
  93 char *jsonp_strdup(const char *str);
  94 char *jsonp_strndup(const char *str, size_t len);
  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