File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / iperf / src / cjson.h
Revision 1.1.1.2 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Wed Mar 17 00:36:46 2021 UTC (3 years, 3 months ago) by misho
Branches: iperf, MAIN
CVS tags: v3_3_9, HEAD
iperf 3.3.9

    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

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