1 /* 2 Copyright (c) 2009-2017 Dave Gamble and cJSON contributors 3 4 Permission is hereby granted, free of charge, to any person obtaining a copy 5 of this software and associated documentation files (the "Software"), to deal 6 in the Software without restriction, including without limitation the rights 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 copies of the Software, and to permit persons to whom the Software is 9 furnished to do so, subject to the following conditions: 10 11 The above copyright notice and this permission notice shall be included in 12 all copies or substantial portions of the Software. 13 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 20 THE SOFTWARE. 21 */ 22 #include "iperf_config.h" 23 24 #ifndef cJSON__h 25 #define cJSON__h 26 27 #ifdef HAVE_STDINT_H 28 #include <stdint.h> 29 #endif 30 31 #ifdef __cplusplus 32 extern "C" 33 { 34 #endif 35 36 #if !defined(__WINDOWS__) && (defined(WIN32) || defined(WIN64) || defined(_MSC_VER) || defined(_WIN32)) 37 #define __WINDOWS__ 38 #endif 39 40 #ifdef __WINDOWS__ 41 42 /* When compiling for windows, we specify a specific calling convention to avoid issues where we are being called from a project with a different default calling convention. For windows you have 3 define options: 43 44 CJSON_HIDE_SYMBOLS - Define this in the case where you don't want to ever dllexport symbols 45 CJSON_EXPORT_SYMBOLS - Define this on library build when you want to dllexport symbols (default) 46 CJSON_IMPORT_SYMBOLS - Define this if you want to dllimport symbol 47 48 For *nix builds that support visibility attribute, you can define similar behavior by 49 50 setting default visibility to hidden by adding 51 -fvisibility=hidden (for gcc) 52 or 53 -xldscope=hidden (for sun cc) 54 to CFLAGS 55 56 then using the CJSON_API_VISIBILITY flag to "export" the same symbols the way CJSON_EXPORT_SYMBOLS does 57 58 */ 59 60 #define CJSON_CDECL __cdecl 61 #define CJSON_STDCALL __stdcall 62 63 /* export symbols by default, this is necessary for copy pasting the C and header file */ 64 #if !defined(CJSON_HIDE_SYMBOLS) && !defined(CJSON_IMPORT_SYMBOLS) && !defined(CJSON_EXPORT_SYMBOLS) 65 #define CJSON_EXPORT_SYMBOLS 66 #endif 67 68 #if defined(CJSON_HIDE_SYMBOLS) 69 #define CJSON_PUBLIC(type) type CJSON_STDCALL 70 #elif defined(CJSON_EXPORT_SYMBOLS) 71 #define CJSON_PUBLIC(type) __declspec(dllexport) type CJSON_STDCALL 72 #elif defined(CJSON_IMPORT_SYMBOLS) 73 #define CJSON_PUBLIC(type) __declspec(dllimport) type CJSON_STDCALL 74 #endif 75 #else /* !__WINDOWS__ */ 76 #define CJSON_CDECL 77 #define CJSON_STDCALL 78 79 #if (defined(__GNUC__) || defined(__SUNPRO_CC) || defined (__SUNPRO_C)) && defined(CJSON_API_VISIBILITY) 80 #define CJSON_PUBLIC(type) __attribute__((visibility("default"))) type 81 #else 82 #define CJSON_PUBLIC(type) type 83 #endif 84 #endif 85 86 /* project version */ 87 #define CJSON_VERSION_MAJOR 1 88 #define CJSON_VERSION_MINOR 7 89 #define CJSON_VERSION_PATCH 13 90 91 #include <stddef.h> 92 93 /* cJSON Types: */ 94 #define cJSON_Invalid (0) 95 #define cJSON_False (1 << 0) 96 #define cJSON_True (1 << 1) 97 #define cJSON_NULL (1 << 2) 98 #define cJSON_Number (1 << 3) 99 #define cJSON_String (1 << 4) 100 #define cJSON_Array (1 << 5) 101 #define cJSON_Object (1 << 6) 102 #define cJSON_Raw (1 << 7) /* raw json */ 103 104 #define cJSON_IsReference 256 105 #define cJSON_StringIsConst 512 106 107 /* The cJSON structure: */ 108 typedef struct cJSON 109 { 110 /* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */ 111 struct cJSON *next; 112 struct cJSON *prev; 113 /* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */ 114 struct cJSON *child; 115 116 /* The type of the item, as above. */ 117 int type; 118 119 /* The item's string, if type==cJSON_String and type == cJSON_Raw */ 120 char *valuestring; 121 /* writing to valueint is DEPRECATED, use cJSON_SetNumberValue instead */ 122 int64_t valueint; 123 /* The item's number, if type==cJSON_Number */ 124 double valuedouble; 125 126 /* The item's name string, if this item is the child of, or is in the list of subitems of an object. */ 127 char *string; 128 } cJSON; 129 130 typedef struct cJSON_Hooks 131 { 132 /* malloc/free are CDECL on Windows regardless of the default calling convention of the compiler, so ensure the hooks allow passing those functions directly. */ 133 void *(CJSON_CDECL *malloc_fn)(size_t sz); 134 void (CJSON_CDECL *free_fn)(void *ptr); 135 } cJSON_Hooks; 136 137 typedef int cJSON_bool; 138 139 /* Limits how deeply nested arrays/objects can be before cJSON rejects to parse them. 140 * This is to prevent stack overflows. */ 141 #ifndef CJSON_NESTING_LIMIT 142 #define CJSON_NESTING_LIMIT 1000 143 #endif 144 145 /* returns the version of cJSON as a string */ 146 CJSON_PUBLIC(const char*) cJSON_Version(void); 147 148 /* Supply malloc, realloc and free functions to cJSON */ 149 CJSON_PUBLIC(void) cJSON_InitHooks(cJSON_Hooks* hooks); 150 151 /* Memory Management: the caller is always responsible to free the results from all variants of cJSON_Parse (with cJSON_Delete) and cJSON_Print (with stdlib free, cJSON_Hooks.free_fn, or cJSON_free as appropriate). The exception is cJSON_PrintPreallocated, where the caller has full responsibility of the buffer. */ 152 /* Supply a block of JSON, and this returns a cJSON object you can interrogate. */ 153 CJSON_PUBLIC(cJSON *) cJSON_Parse(const char *value); 154 CJSON_PUBLIC(cJSON *) cJSON_ParseWithLength(const char *value, size_t buffer_length); 155 /* ParseWithOpts allows you to require (and check) that the JSON is null terminated, and to retrieve the pointer to the final byte parsed. */ 156 /* If you supply a ptr in return_parse_end and parsing fails, then return_parse_end will contain a pointer to the error so will match cJSON_GetErrorPtr(). */ 157 CJSON_PUBLIC(cJSON *) cJSON_ParseWithOpts(const char *value, const char **return_parse_end, cJSON_bool require_null_terminated); 158 CJSON_PUBLIC(cJSON *) cJSON_ParseWithLengthOpts(const char *value, size_t buffer_length, const char **return_parse_end, cJSON_bool require_null_terminated); 159 160 /* Render a cJSON entity to text for transfer/storage. */ 161 CJSON_PUBLIC(char *) cJSON_Print(const cJSON *item); 162 /* Render a cJSON entity to text for transfer/storage without any formatting. */ 163 CJSON_PUBLIC(char *) cJSON_PrintUnformatted(const cJSON *item); 164 /* Render a cJSON entity to text using a buffered strategy. prebuffer is a guess at the final size. guessing well reduces reallocation. fmt=0 gives unformatted, =1 gives formatted */ 165 CJSON_PUBLIC(char *) cJSON_PrintBuffered(const cJSON *item, int prebuffer, cJSON_bool fmt); 166 /* Render a cJSON entity to text using a buffer already allocated in memory with given length. Returns 1 on success and 0 on failure. */ 167 /* NOTE: cJSON is not always 100% accurate in estimating how much memory it will use, so to be safe allocate 5 bytes more than you actually need */ 168 CJSON_PUBLIC(cJSON_bool) cJSON_PrintPreallocated(cJSON *item, char *buffer, const int length, const cJSON_bool format); 169 /* Delete a cJSON entity and all subentities. */ 170 CJSON_PUBLIC(void) cJSON_Delete(cJSON *item); 171 172 /* Returns the number of items in an array (or object). */ 173 CJSON_PUBLIC(int) cJSON_GetArraySize(const cJSON *array); 174 /* Retrieve item number "index" from array "array". Returns NULL if unsuccessful. */ 175 CJSON_PUBLIC(cJSON *) cJSON_GetArrayItem(const cJSON *array, int index); 176 /* Get item "string" from object. Case insensitive. */ 177 CJSON_PUBLIC(cJSON *) cJSON_GetObjectItem(const cJSON * const object, const char * const string); 178 CJSON_PUBLIC(cJSON *) cJSON_GetObjectItemCaseSensitive(const cJSON * const object, const char * const string); 179 CJSON_PUBLIC(cJSON_bool) cJSON_HasObjectItem(const cJSON *object, const char *string); 180 /* For analysing failed parses. This returns a pointer to the parse error. You'll probably need to look a few chars back to make sense of it. Defined when cJSON_Parse() returns 0. 0 when cJSON_Parse() succeeds. */ 181 CJSON_PUBLIC(const char *) cJSON_GetErrorPtr(void); 182 183 /* Check item type and return its value */ 184 CJSON_PUBLIC(char *) cJSON_GetStringValue(cJSON *item); 185 CJSON_PUBLIC(double) cJSON_GetNumberValue(cJSON *item); 186 187 /* These functions check the type of an item */ 188 CJSON_PUBLIC(cJSON_bool) cJSON_IsInvalid(const cJSON * const item); 189 CJSON_PUBLIC(cJSON_bool) cJSON_IsFalse(const cJSON * const item); 190 CJSON_PUBLIC(cJSON_bool) cJSON_IsTrue(const cJSON * const item); 191 CJSON_PUBLIC(cJSON_bool) cJSON_IsBool(const cJSON * const item); 192 CJSON_PUBLIC(cJSON_bool) cJSON_IsNull(const cJSON * const item); 193 CJSON_PUBLIC(cJSON_bool) cJSON_IsNumber(const cJSON * const item); 194 CJSON_PUBLIC(cJSON_bool) cJSON_IsString(const cJSON * const item); 195 CJSON_PUBLIC(cJSON_bool) cJSON_IsArray(const cJSON * const item); 196 CJSON_PUBLIC(cJSON_bool) cJSON_IsObject(const cJSON * const item); 197 CJSON_PUBLIC(cJSON_bool) cJSON_IsRaw(const cJSON * const item); 198 199 /* These calls create a cJSON item of the appropriate type. */ 200 CJSON_PUBLIC(cJSON *) cJSON_CreateNull(void); 201 CJSON_PUBLIC(cJSON *) cJSON_CreateTrue(void); 202 CJSON_PUBLIC(cJSON *) cJSON_CreateFalse(void); 203 CJSON_PUBLIC(cJSON *) cJSON_CreateBool(cJSON_bool boolean); 204 CJSON_PUBLIC(cJSON *) cJSON_CreateNumber(double num); 205 CJSON_PUBLIC(cJSON *) cJSON_CreateString(const char *string); 206 /* raw json */ 207 CJSON_PUBLIC(cJSON *) cJSON_CreateRaw(const char *raw); 208 CJSON_PUBLIC(cJSON *) cJSON_CreateArray(void); 209 CJSON_PUBLIC(cJSON *) cJSON_CreateObject(void); 210 211 /* Create a string where valuestring references a string so 212 * it will not be freed by cJSON_Delete */ 213 CJSON_PUBLIC(cJSON *) cJSON_CreateStringReference(const char *string); 214 /* Create an object/array that only references it's elements so 215 * they will not be freed by cJSON_Delete */ 216 CJSON_PUBLIC(cJSON *) cJSON_CreateObjectReference(const cJSON *child); 217 CJSON_PUBLIC(cJSON *) cJSON_CreateArrayReference(const cJSON *child); 218 219 /* These utilities create an Array of count items. 220 * The parameter count cannot be greater than the number of elements in the number array, otherwise array access will be out of bounds.*/ 221 CJSON_PUBLIC(cJSON *) cJSON_CreateIntArray(const int *numbers, int count); 222 CJSON_PUBLIC(cJSON *) cJSON_CreateFloatArray(const float *numbers, int count); 223 CJSON_PUBLIC(cJSON *) cJSON_CreateDoubleArray(const double *numbers, int count); 224 CJSON_PUBLIC(cJSON *) cJSON_CreateStringArray(const char *const *strings, int count); 225 226 /* Append item to the specified array/object. */ 227 CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToArray(cJSON *array, cJSON *item); 228 CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item); 229 /* Use this when string is definitely const (i.e. a literal, or as good as), and will definitely survive the cJSON object. 230 * WARNING: When this function was used, make sure to always check that (item->type & cJSON_StringIsConst) is zero before 231 * writing to `item->string` */ 232 CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item); 233 /* Append reference to item to the specified array/object. Use this when you want to add an existing cJSON to a new cJSON, but don't want to corrupt your existing cJSON. */ 234 CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item); 235 CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item); 236 237 /* Remove/Detach items from Arrays/Objects. */ 238 CJSON_PUBLIC(cJSON *) cJSON_DetachItemViaPointer(cJSON *parent, cJSON * const item); 239 CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromArray(cJSON *array, int which); 240 CJSON_PUBLIC(void) cJSON_DeleteItemFromArray(cJSON *array, int which); 241 CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObject(cJSON *object, const char *string); 242 CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObjectCaseSensitive(cJSON *object, const char *string); 243 CJSON_PUBLIC(void) cJSON_DeleteItemFromObject(cJSON *object, const char *string); 244 CJSON_PUBLIC(void) cJSON_DeleteItemFromObjectCaseSensitive(cJSON *object, const char *string); 245 246 /* Update array items. */ 247 CJSON_PUBLIC(cJSON_bool) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem); /* Shifts pre-existing items to the right. */ 248 CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON * const parent, cJSON * const item, cJSON * replacement); 249 CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem); 250 CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem); 251 CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object,const char *string,cJSON *newitem); 252 253 /* Duplicate a cJSON item */ 254 CJSON_PUBLIC(cJSON *) cJSON_Duplicate(const cJSON *item, cJSON_bool recurse); 255 /* Duplicate will create a new, identical cJSON item to the one you pass, in new memory that will 256 * need to be released. With recurse!=0, it will duplicate any children connected to the item. 257 * The item->next and ->prev pointers are always zero on return from Duplicate. */ 258 /* Recursively compare two cJSON items for equality. If either a or b is NULL or invalid, they will be considered unequal. 259 * case_sensitive determines if object keys are treated case sensitive (1) or case insensitive (0) */ 260 CJSON_PUBLIC(cJSON_bool) cJSON_Compare(const cJSON * const a, const cJSON * const b, const cJSON_bool case_sensitive); 261 262 /* Minify a strings, remove blank characters(such as ' ', '\t', '\r', '\n') from strings. 263 * The input pointer json cannot point to a read-only address area, such as a string constant, 264 * but should point to a readable and writable adress area. */ 265 CJSON_PUBLIC(void) cJSON_Minify(char *json); 266 267 /* Helper functions for creating and adding items to an object at the same time. 268 * They return the added item or NULL on failure. */ 269 CJSON_PUBLIC(cJSON*) cJSON_AddNullToObject(cJSON * const object, const char * const name); 270 CJSON_PUBLIC(cJSON*) cJSON_AddTrueToObject(cJSON * const object, const char * const name); 271 CJSON_PUBLIC(cJSON*) cJSON_AddFalseToObject(cJSON * const object, const char * const name); 272 CJSON_PUBLIC(cJSON*) cJSON_AddBoolToObject(cJSON * const object, const char * const name, const cJSON_bool boolean); 273 CJSON_PUBLIC(cJSON*) cJSON_AddNumberToObject(cJSON * const object, const char * const name, const double number); 274 CJSON_PUBLIC(cJSON*) cJSON_AddStringToObject(cJSON * const object, const char * const name, const char * const string); 275 CJSON_PUBLIC(cJSON*) cJSON_AddRawToObject(cJSON * const object, const char * const name, const char * const raw); 276 CJSON_PUBLIC(cJSON*) cJSON_AddObjectToObject(cJSON * const object, const char * const name); 277 CJSON_PUBLIC(cJSON*) cJSON_AddArrayToObject(cJSON * const object, const char * const name); 278 279 /* When assigning an integer value, it needs to be propagated to valuedouble too. */ 280 #define cJSON_SetIntValue(object, number) ((object) ? (object)->valueint = (object)->valuedouble = (number) : (number)) 281 /* helper for the cJSON_SetNumberValue macro */ 282 CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number); 283 #define cJSON_SetNumberValue(object, number) ((object != NULL) ? cJSON_SetNumberHelper(object, (double)number) : (number)) 284 /* Change the valuestring of a cJSON_String object, only takes effect when type of object is cJSON_String */ 285 CJSON_PUBLIC(char*) cJSON_SetValuestring(cJSON *object, const char *valuestring); 286 287 /* Macro for iterating over an array or object */ 288 #define cJSON_ArrayForEach(element, array) for(element = (array != NULL) ? (array)->child : NULL; element != NULL; element = element->next) 289 290 /* malloc/free objects using the malloc/free functions that have been set with cJSON_InitHooks */ 291 CJSON_PUBLIC(void *) cJSON_malloc(size_t size); 292 CJSON_PUBLIC(void) cJSON_free(void *object); 293 294 #ifdef __cplusplus 295 } 296 #endif 297 298 #endif 299