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-rw-r--r--fluent-bit/lib/librdkafka-2.1.0/src/cJSON.c2834
1 files changed, 2834 insertions, 0 deletions
diff --git a/fluent-bit/lib/librdkafka-2.1.0/src/cJSON.c b/fluent-bit/lib/librdkafka-2.1.0/src/cJSON.c
new file mode 100644
index 000000000..9aec18469
--- /dev/null
+++ b/fluent-bit/lib/librdkafka-2.1.0/src/cJSON.c
@@ -0,0 +1,2834 @@
+/*
+ Copyright (c) 2009-2017 Dave Gamble and cJSON contributors
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+*/
+
+/* cJSON */
+/* JSON parser in C. */
+
+/* disable warnings about old C89 functions in MSVC */
+#if !defined(_CRT_SECURE_NO_DEPRECATE) && defined(_MSC_VER)
+#define _CRT_SECURE_NO_DEPRECATE
+#endif
+
+#ifdef __GNUC__
+#pragma GCC visibility push(default)
+#endif
+#if defined(_MSC_VER)
+#pragma warning(push)
+/* disable warning about single line comments in system headers */
+#pragma warning(disable : 4001)
+#endif
+
+#include <string.h>
+#include <stdio.h>
+#include <math.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <ctype.h>
+#include <float.h>
+
+#ifdef ENABLE_LOCALES
+#include <locale.h>
+#endif
+
+#if defined(_MSC_VER)
+#pragma warning(pop)
+#endif
+#ifdef __GNUC__
+#pragma GCC visibility pop
+#endif
+
+#include "cJSON.h"
+
+/* define our own boolean type */
+#ifdef true
+#undef true
+#endif
+#define true ((cJSON_bool)1)
+
+#ifdef false
+#undef false
+#endif
+#define false ((cJSON_bool)0)
+
+/* define isnan and isinf for ANSI C, if in C99 or above, isnan and isinf has
+ * been defined in math.h */
+#ifndef isinf
+#define isinf(d) (isnan((d - d)) && !isnan(d))
+#endif
+#ifndef isnan
+#define isnan(d) (d != d)
+#endif
+
+#ifndef NAN
+#define NAN 0.0 / 0.0
+#endif
+
+typedef struct {
+ const unsigned char *json;
+ size_t position;
+} error;
+static error global_error = {NULL, 0};
+
+CJSON_PUBLIC(const char *) cJSON_GetErrorPtr(void) {
+ return (const char *)(global_error.json + global_error.position);
+}
+
+CJSON_PUBLIC(char *) cJSON_GetStringValue(const cJSON *const item) {
+ if (!cJSON_IsString(item)) {
+ return NULL;
+ }
+
+ return item->valuestring;
+}
+
+CJSON_PUBLIC(double) cJSON_GetNumberValue(const cJSON *const item) {
+ if (!cJSON_IsNumber(item)) {
+ return (double)NAN;
+ }
+
+ return item->valuedouble;
+}
+
+/* This is a safeguard to prevent copy-pasters from using incompatible C and
+ * header files */
+#if (CJSON_VERSION_MAJOR != 1) || (CJSON_VERSION_MINOR != 7) || \
+ (CJSON_VERSION_PATCH != 14)
+#error cJSON.h and cJSON.c have different versions. Make sure that both have the same.
+#endif
+
+CJSON_PUBLIC(const char *) cJSON_Version(void) {
+ static char version[15];
+ sprintf(version, "%i.%i.%i", CJSON_VERSION_MAJOR, CJSON_VERSION_MINOR,
+ CJSON_VERSION_PATCH);
+
+ return version;
+}
+
+/* Case insensitive string comparison, doesn't consider two NULL pointers equal
+ * though */
+static int case_insensitive_strcmp(const unsigned char *string1,
+ const unsigned char *string2) {
+ if ((string1 == NULL) || (string2 == NULL)) {
+ return 1;
+ }
+
+ if (string1 == string2) {
+ return 0;
+ }
+
+ for (; tolower(*string1) == tolower(*string2);
+ (void)string1++, string2++) {
+ if (*string1 == '\0') {
+ return 0;
+ }
+ }
+
+ return tolower(*string1) - tolower(*string2);
+}
+
+typedef struct internal_hooks {
+ void *(CJSON_CDECL *allocate)(size_t size);
+ void(CJSON_CDECL *deallocate)(void *pointer);
+ void *(CJSON_CDECL *reallocate)(void *pointer, size_t size);
+} internal_hooks;
+
+#if defined(_MSC_VER)
+/* work around MSVC error C2322: '...' address of dllimport '...' is not static
+ */
+static void *CJSON_CDECL internal_malloc(size_t size) {
+ return malloc(size);
+}
+static void CJSON_CDECL internal_free(void *pointer) {
+ free(pointer);
+}
+static void *CJSON_CDECL internal_realloc(void *pointer, size_t size) {
+ return realloc(pointer, size);
+}
+#else
+#define internal_malloc malloc
+#define internal_free free
+#define internal_realloc realloc
+#endif
+
+/* strlen of character literals resolved at compile time */
+#define static_strlen(string_literal) (sizeof(string_literal) - sizeof(""))
+
+static internal_hooks global_hooks = {internal_malloc, internal_free,
+ internal_realloc};
+
+static unsigned char *cJSON_strdup(const unsigned char *string,
+ const internal_hooks *const hooks) {
+ size_t length = 0;
+ unsigned char *copy = NULL;
+
+ if (string == NULL) {
+ return NULL;
+ }
+
+ length = strlen((const char *)string) + sizeof("");
+ copy = (unsigned char *)hooks->allocate(length);
+ if (copy == NULL) {
+ return NULL;
+ }
+ memcpy(copy, string, length);
+
+ return copy;
+}
+
+CJSON_PUBLIC(void) cJSON_InitHooks(cJSON_Hooks *hooks) {
+ if (hooks == NULL) {
+ /* Reset hooks */
+ global_hooks.allocate = malloc;
+ global_hooks.deallocate = free;
+ global_hooks.reallocate = realloc;
+ return;
+ }
+
+ global_hooks.allocate = malloc;
+ if (hooks->malloc_fn != NULL) {
+ global_hooks.allocate = hooks->malloc_fn;
+ }
+
+ global_hooks.deallocate = free;
+ if (hooks->free_fn != NULL) {
+ global_hooks.deallocate = hooks->free_fn;
+ }
+
+ /* use realloc only if both free and malloc are used */
+ global_hooks.reallocate = NULL;
+ if ((global_hooks.allocate == malloc) &&
+ (global_hooks.deallocate == free)) {
+ global_hooks.reallocate = realloc;
+ }
+}
+
+/* Internal constructor. */
+static cJSON *cJSON_New_Item(const internal_hooks *const hooks) {
+ cJSON *node = (cJSON *)hooks->allocate(sizeof(cJSON));
+ if (node) {
+ memset(node, '\0', sizeof(cJSON));
+ }
+
+ return node;
+}
+
+/* Delete a cJSON structure. */
+CJSON_PUBLIC(void) cJSON_Delete(cJSON *item) {
+ cJSON *next = NULL;
+ while (item != NULL) {
+ next = item->next;
+ if (!(item->type & cJSON_IsReference) &&
+ (item->child != NULL)) {
+ cJSON_Delete(item->child);
+ }
+ if (!(item->type & cJSON_IsReference) &&
+ (item->valuestring != NULL)) {
+ global_hooks.deallocate(item->valuestring);
+ }
+ if (!(item->type & cJSON_StringIsConst) &&
+ (item->string != NULL)) {
+ global_hooks.deallocate(item->string);
+ }
+ global_hooks.deallocate(item);
+ item = next;
+ }
+}
+
+/* get the decimal point character of the current locale */
+static unsigned char get_decimal_point(void) {
+#ifdef ENABLE_LOCALES
+ struct lconv *lconv = localeconv();
+ return (unsigned char)lconv->decimal_point[0];
+#else
+ return '.';
+#endif
+}
+
+typedef struct {
+ const unsigned char *content;
+ size_t length;
+ size_t offset;
+ size_t depth; /* How deeply nested (in arrays/objects) is the input at
+ the current offset. */
+ internal_hooks hooks;
+} parse_buffer;
+
+/* check if the given size is left to read in a given parse buffer (starting
+ * with 1) */
+#define can_read(buffer, size) \
+ ((buffer != NULL) && (((buffer)->offset + size) <= (buffer)->length))
+/* check if the buffer can be accessed at the given index (starting with 0) */
+#define can_access_at_index(buffer, index) \
+ ((buffer != NULL) && (((buffer)->offset + index) < (buffer)->length))
+#define cannot_access_at_index(buffer, index) \
+ (!can_access_at_index(buffer, index))
+/* get a pointer to the buffer at the position */
+#define buffer_at_offset(buffer) ((buffer)->content + (buffer)->offset)
+
+/* Parse the input text to generate a number, and populate the result into item.
+ */
+static cJSON_bool parse_number(cJSON *const item,
+ parse_buffer *const input_buffer) {
+ double number = 0;
+ unsigned char *after_end = NULL;
+ unsigned char number_c_string[64];
+ unsigned char decimal_point = get_decimal_point();
+ size_t i = 0;
+
+ if ((input_buffer == NULL) || (input_buffer->content == NULL)) {
+ return false;
+ }
+
+ /* copy the number into a temporary buffer and replace '.' with the
+ * decimal point of the current locale (for strtod)
+ * This also takes care of '\0' not necessarily being available for
+ * marking the end of the input */
+ for (i = 0; (i < (sizeof(number_c_string) - 1)) &&
+ can_access_at_index(input_buffer, i);
+ i++) {
+ switch (buffer_at_offset(input_buffer)[i]) {
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ case '+':
+ case '-':
+ case 'e':
+ case 'E':
+ number_c_string[i] = buffer_at_offset(input_buffer)[i];
+ break;
+
+ case '.':
+ number_c_string[i] = decimal_point;
+ break;
+
+ default:
+ goto loop_end;
+ }
+ }
+loop_end:
+ number_c_string[i] = '\0';
+
+ number = strtod((const char *)number_c_string, (char **)&after_end);
+ if (number_c_string == after_end) {
+ return false; /* parse_error */
+ }
+
+ item->valuedouble = number;
+
+ /* use saturation in case of overflow */
+ if (number >= INT_MAX) {
+ item->valueint = INT_MAX;
+ } else if (number <= (double)INT_MIN) {
+ item->valueint = INT_MIN;
+ } else {
+ item->valueint = (int)number;
+ }
+
+ item->type = cJSON_Number;
+
+ input_buffer->offset += (size_t)(after_end - number_c_string);
+ return true;
+}
+
+/* don't ask me, but the original cJSON_SetNumberValue returns an integer or
+ * double */
+CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number) {
+ if (number >= INT_MAX) {
+ object->valueint = INT_MAX;
+ } else if (number <= (double)INT_MIN) {
+ object->valueint = INT_MIN;
+ } else {
+ object->valueint = (int)number;
+ }
+
+ return object->valuedouble = number;
+}
+
+CJSON_PUBLIC(char *)
+cJSON_SetValuestring(cJSON *object, const char *valuestring) {
+ char *copy = NULL;
+ /* if object's type is not cJSON_String or is cJSON_IsReference, it
+ * should not set valuestring */
+ if (!(object->type & cJSON_String) ||
+ (object->type & cJSON_IsReference)) {
+ return NULL;
+ }
+ if (strlen(valuestring) <= strlen(object->valuestring)) {
+ strcpy(object->valuestring, valuestring);
+ return object->valuestring;
+ }
+ copy = (char *)cJSON_strdup((const unsigned char *)valuestring,
+ &global_hooks);
+ if (copy == NULL) {
+ return NULL;
+ }
+ if (object->valuestring != NULL) {
+ cJSON_free(object->valuestring);
+ }
+ object->valuestring = copy;
+
+ return copy;
+}
+
+typedef struct {
+ unsigned char *buffer;
+ size_t length;
+ size_t offset;
+ size_t depth; /* current nesting depth (for formatted printing) */
+ cJSON_bool noalloc;
+ cJSON_bool format; /* is this print a formatted print */
+ internal_hooks hooks;
+} printbuffer;
+
+/* realloc printbuffer if necessary to have at least "needed" bytes more */
+static unsigned char *ensure(printbuffer *const p, size_t needed) {
+ unsigned char *newbuffer = NULL;
+ size_t newsize = 0;
+
+ if ((p == NULL) || (p->buffer == NULL)) {
+ return NULL;
+ }
+
+ if ((p->length > 0) && (p->offset >= p->length)) {
+ /* make sure that offset is valid */
+ return NULL;
+ }
+
+ if (needed > INT_MAX) {
+ /* sizes bigger than INT_MAX are currently not supported */
+ return NULL;
+ }
+
+ needed += p->offset + 1;
+ if (needed <= p->length) {
+ return p->buffer + p->offset;
+ }
+
+ if (p->noalloc) {
+ return NULL;
+ }
+
+ /* calculate new buffer size */
+ if (needed > (INT_MAX / 2)) {
+ /* overflow of int, use INT_MAX if possible */
+ if (needed <= INT_MAX) {
+ newsize = INT_MAX;
+ } else {
+ return NULL;
+ }
+ } else {
+ newsize = needed * 2;
+ }
+
+ if (p->hooks.reallocate != NULL) {
+ /* reallocate with realloc if available */
+ newbuffer =
+ (unsigned char *)p->hooks.reallocate(p->buffer, newsize);
+ if (newbuffer == NULL) {
+ p->hooks.deallocate(p->buffer);
+ p->length = 0;
+ p->buffer = NULL;
+
+ return NULL;
+ }
+ } else {
+ /* otherwise reallocate manually */
+ newbuffer = (unsigned char *)p->hooks.allocate(newsize);
+ if (!newbuffer) {
+ p->hooks.deallocate(p->buffer);
+ p->length = 0;
+ p->buffer = NULL;
+
+ return NULL;
+ }
+ if (newbuffer) {
+ memcpy(newbuffer, p->buffer, p->offset + 1);
+ }
+ p->hooks.deallocate(p->buffer);
+ }
+ p->length = newsize;
+ p->buffer = newbuffer;
+
+ return newbuffer + p->offset;
+}
+
+/* calculate the new length of the string in a printbuffer and update the offset
+ */
+static void update_offset(printbuffer *const buffer) {
+ const unsigned char *buffer_pointer = NULL;
+ if ((buffer == NULL) || (buffer->buffer == NULL)) {
+ return;
+ }
+ buffer_pointer = buffer->buffer + buffer->offset;
+
+ buffer->offset += strlen((const char *)buffer_pointer);
+}
+
+/* securely comparison of floating-point variables */
+static cJSON_bool compare_double(double a, double b) {
+ double maxVal = fabs(a) > fabs(b) ? fabs(a) : fabs(b);
+ return (fabs(a - b) <= maxVal * DBL_EPSILON);
+}
+
+/* Render the number nicely from the given item into a string. */
+static cJSON_bool print_number(const cJSON *const item,
+ printbuffer *const output_buffer) {
+ unsigned char *output_pointer = NULL;
+ double d = item->valuedouble;
+ int length = 0;
+ size_t i = 0;
+ unsigned char number_buffer[26] = {
+ 0}; /* temporary buffer to print the number into */
+ unsigned char decimal_point = get_decimal_point();
+ double test = 0.0;
+
+ if (output_buffer == NULL) {
+ return false;
+ }
+
+ /* This checks for NaN and Infinity */
+ if (isnan(d) || isinf(d)) {
+ length = sprintf((char *)number_buffer, "null");
+ } else {
+ /* Try 15 decimal places of precision to avoid nonsignificant
+ * nonzero digits */
+ length = sprintf((char *)number_buffer, "%1.15g", d);
+
+ /* Check whether the original double can be recovered */
+ if ((sscanf((char *)number_buffer, "%lg", &test) != 1) ||
+ !compare_double((double)test, d)) {
+ /* If not, print with 17 decimal places of precision */
+ length = sprintf((char *)number_buffer, "%1.17g", d);
+ }
+ }
+
+ /* sprintf failed or buffer overrun occurred */
+ if ((length < 0) || (length > (int)(sizeof(number_buffer) - 1))) {
+ return false;
+ }
+
+ /* reserve appropriate space in the output */
+ output_pointer = ensure(output_buffer, (size_t)length + sizeof(""));
+ if (output_pointer == NULL) {
+ return false;
+ }
+
+ /* copy the printed number to the output and replace locale
+ * dependent decimal point with '.' */
+ for (i = 0; i < ((size_t)length); i++) {
+ if (number_buffer[i] == decimal_point) {
+ output_pointer[i] = '.';
+ continue;
+ }
+
+ output_pointer[i] = number_buffer[i];
+ }
+ output_pointer[i] = '\0';
+
+ output_buffer->offset += (size_t)length;
+
+ return true;
+}
+
+/* parse 4 digit hexadecimal number */
+static unsigned parse_hex4(const unsigned char *const input) {
+ unsigned int h = 0;
+ size_t i = 0;
+
+ for (i = 0; i < 4; i++) {
+ /* parse digit */
+ if ((input[i] >= '0') && (input[i] <= '9')) {
+ h += (unsigned int)input[i] - '0';
+ } else if ((input[i] >= 'A') && (input[i] <= 'F')) {
+ h += (unsigned int)10 + input[i] - 'A';
+ } else if ((input[i] >= 'a') && (input[i] <= 'f')) {
+ h += (unsigned int)10 + input[i] - 'a';
+ } else /* invalid */
+ {
+ return 0;
+ }
+
+ if (i < 3) {
+ /* shift left to make place for the next nibble */
+ h = h << 4;
+ }
+ }
+
+ return h;
+}
+
+/* converts a UTF-16 literal to UTF-8
+ * A literal can be one or two sequences of the form \uXXXX */
+static unsigned char
+utf16_literal_to_utf8(const unsigned char *const input_pointer,
+ const unsigned char *const input_end,
+ unsigned char **output_pointer) {
+ long unsigned int codepoint = 0;
+ unsigned int first_code = 0;
+ const unsigned char *first_sequence = input_pointer;
+ unsigned char utf8_length = 0;
+ unsigned char utf8_position = 0;
+ unsigned char sequence_length = 0;
+ unsigned char first_byte_mark = 0;
+
+ if ((input_end - first_sequence) < 6) {
+ /* input ends unexpectedly */
+ goto fail;
+ }
+
+ /* get the first utf16 sequence */
+ first_code = parse_hex4(first_sequence + 2);
+
+ /* check that the code is valid */
+ if (((first_code >= 0xDC00) && (first_code <= 0xDFFF))) {
+ goto fail;
+ }
+
+ /* UTF16 surrogate pair */
+ if ((first_code >= 0xD800) && (first_code <= 0xDBFF)) {
+ const unsigned char *second_sequence = first_sequence + 6;
+ unsigned int second_code = 0;
+ sequence_length = 12; /* \uXXXX\uXXXX */
+
+ if ((input_end - second_sequence) < 6) {
+ /* input ends unexpectedly */
+ goto fail;
+ }
+
+ if ((second_sequence[0] != '\\') ||
+ (second_sequence[1] != 'u')) {
+ /* missing second half of the surrogate pair */
+ goto fail;
+ }
+
+ /* get the second utf16 sequence */
+ second_code = parse_hex4(second_sequence + 2);
+ /* check that the code is valid */
+ if ((second_code < 0xDC00) || (second_code > 0xDFFF)) {
+ /* invalid second half of the surrogate pair */
+ goto fail;
+ }
+
+
+ /* calculate the unicode codepoint from the surrogate pair */
+ codepoint = 0x10000 + (((first_code & 0x3FF) << 10) |
+ (second_code & 0x3FF));
+ } else {
+ sequence_length = 6; /* \uXXXX */
+ codepoint = first_code;
+ }
+
+ /* encode as UTF-8
+ * takes at maximum 4 bytes to encode:
+ * 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
+ if (codepoint < 0x80) {
+ /* normal ascii, encoding 0xxxxxxx */
+ utf8_length = 1;
+ } else if (codepoint < 0x800) {
+ /* two bytes, encoding 110xxxxx 10xxxxxx */
+ utf8_length = 2;
+ first_byte_mark = 0xC0; /* 11000000 */
+ } else if (codepoint < 0x10000) {
+ /* three bytes, encoding 1110xxxx 10xxxxxx 10xxxxxx */
+ utf8_length = 3;
+ first_byte_mark = 0xE0; /* 11100000 */
+ } else if (codepoint <= 0x10FFFF) {
+ /* four bytes, encoding 1110xxxx 10xxxxxx 10xxxxxx 10xxxxxx */
+ utf8_length = 4;
+ first_byte_mark = 0xF0; /* 11110000 */
+ } else {
+ /* invalid unicode codepoint */
+ goto fail;
+ }
+
+ /* encode as utf8 */
+ for (utf8_position = (unsigned char)(utf8_length - 1);
+ utf8_position > 0; utf8_position--) {
+ /* 10xxxxxx */
+ (*output_pointer)[utf8_position] =
+ (unsigned char)((codepoint | 0x80) & 0xBF);
+ codepoint >>= 6;
+ }
+ /* encode first byte */
+ if (utf8_length > 1) {
+ (*output_pointer)[0] =
+ (unsigned char)((codepoint | first_byte_mark) & 0xFF);
+ } else {
+ (*output_pointer)[0] = (unsigned char)(codepoint & 0x7F);
+ }
+
+ *output_pointer += utf8_length;
+
+ return sequence_length;
+
+fail:
+ return 0;
+}
+
+/* Parse the input text into an unescaped cinput, and populate item. */
+static cJSON_bool parse_string(cJSON *const item,
+ parse_buffer *const input_buffer) {
+ const unsigned char *input_pointer = buffer_at_offset(input_buffer) + 1;
+ const unsigned char *input_end = buffer_at_offset(input_buffer) + 1;
+ unsigned char *output_pointer = NULL;
+ unsigned char *output = NULL;
+
+ /* not a string */
+ if (buffer_at_offset(input_buffer)[0] != '\"') {
+ goto fail;
+ }
+
+ {
+ /* calculate approximate size of the output (overestimate) */
+ size_t allocation_length = 0;
+ size_t skipped_bytes = 0;
+ while (((size_t)(input_end - input_buffer->content) <
+ input_buffer->length) &&
+ (*input_end != '\"')) {
+ /* is escape sequence */
+ if (input_end[0] == '\\') {
+ if ((size_t)(input_end + 1 -
+ input_buffer->content) >=
+ input_buffer->length) {
+ /* prevent buffer overflow when last
+ * input character is a backslash */
+ goto fail;
+ }
+ skipped_bytes++;
+ input_end++;
+ }
+ input_end++;
+ }
+ if (((size_t)(input_end - input_buffer->content) >=
+ input_buffer->length) ||
+ (*input_end != '\"')) {
+ goto fail; /* string ended unexpectedly */
+ }
+
+ /* This is at most how much we need for the output */
+ allocation_length =
+ (size_t)(input_end - buffer_at_offset(input_buffer)) -
+ skipped_bytes;
+ output = (unsigned char *)input_buffer->hooks.allocate(
+ allocation_length + sizeof(""));
+ if (output == NULL) {
+ goto fail; /* allocation failure */
+ }
+ }
+
+ output_pointer = output;
+ /* loop through the string literal */
+ while (input_pointer < input_end) {
+ if (*input_pointer != '\\') {
+ *output_pointer++ = *input_pointer++;
+ }
+ /* escape sequence */
+ else {
+ unsigned char sequence_length = 2;
+ if ((input_end - input_pointer) < 1) {
+ goto fail;
+ }
+
+ switch (input_pointer[1]) {
+ case 'b':
+ *output_pointer++ = '\b';
+ break;
+ case 'f':
+ *output_pointer++ = '\f';
+ break;
+ case 'n':
+ *output_pointer++ = '\n';
+ break;
+ case 'r':
+ *output_pointer++ = '\r';
+ break;
+ case 't':
+ *output_pointer++ = '\t';
+ break;
+ case '\"':
+ case '\\':
+ case '/':
+ *output_pointer++ = input_pointer[1];
+ break;
+
+ /* UTF-16 literal */
+ case 'u':
+ sequence_length = utf16_literal_to_utf8(
+ input_pointer, input_end, &output_pointer);
+ if (sequence_length == 0) {
+ /* failed to convert UTF16-literal to
+ * UTF-8 */
+ goto fail;
+ }
+ break;
+
+ default:
+ goto fail;
+ }
+ input_pointer += sequence_length;
+ }
+ }
+
+ /* zero terminate the output */
+ *output_pointer = '\0';
+
+ item->type = cJSON_String;
+ item->valuestring = (char *)output;
+
+ input_buffer->offset = (size_t)(input_end - input_buffer->content);
+ input_buffer->offset++;
+
+ return true;
+
+fail:
+ if (output != NULL) {
+ input_buffer->hooks.deallocate(output);
+ }
+
+ if (input_pointer != NULL) {
+ input_buffer->offset =
+ (size_t)(input_pointer - input_buffer->content);
+ }
+
+ return false;
+}
+
+/* Render the cstring provided to an escaped version that can be printed. */
+static cJSON_bool print_string_ptr(const unsigned char *const input,
+ printbuffer *const output_buffer) {
+ const unsigned char *input_pointer = NULL;
+ unsigned char *output = NULL;
+ unsigned char *output_pointer = NULL;
+ size_t output_length = 0;
+ /* numbers of additional characters needed for escaping */
+ size_t escape_characters = 0;
+
+ if (output_buffer == NULL) {
+ return false;
+ }
+
+ /* empty string */
+ if (input == NULL) {
+ output = ensure(output_buffer, sizeof("\"\""));
+ if (output == NULL) {
+ return false;
+ }
+ strcpy((char *)output, "\"\"");
+
+ return true;
+ }
+
+ /* set "flag" to 1 if something needs to be escaped */
+ for (input_pointer = input; *input_pointer; input_pointer++) {
+ switch (*input_pointer) {
+ case '\"':
+ case '\\':
+ case '\b':
+ case '\f':
+ case '\n':
+ case '\r':
+ case '\t':
+ /* one character escape sequence */
+ escape_characters++;
+ break;
+ default:
+ if (*input_pointer < 32) {
+ /* UTF-16 escape sequence uXXXX */
+ escape_characters += 5;
+ }
+ break;
+ }
+ }
+ output_length = (size_t)(input_pointer - input) + escape_characters;
+
+ output = ensure(output_buffer, output_length + sizeof("\"\""));
+ if (output == NULL) {
+ return false;
+ }
+
+ /* no characters have to be escaped */
+ if (escape_characters == 0) {
+ output[0] = '\"';
+ memcpy(output + 1, input, output_length);
+ output[output_length + 1] = '\"';
+ output[output_length + 2] = '\0';
+
+ return true;
+ }
+
+ output[0] = '\"';
+ output_pointer = output + 1;
+ /* copy the string */
+ for (input_pointer = input; *input_pointer != '\0';
+ (void)input_pointer++, output_pointer++) {
+ if ((*input_pointer > 31) && (*input_pointer != '\"') &&
+ (*input_pointer != '\\')) {
+ /* normal character, copy */
+ *output_pointer = *input_pointer;
+ } else {
+ /* character needs to be escaped */
+ *output_pointer++ = '\\';
+ switch (*input_pointer) {
+ case '\\':
+ *output_pointer = '\\';
+ break;
+ case '\"':
+ *output_pointer = '\"';
+ break;
+ case '\b':
+ *output_pointer = 'b';
+ break;
+ case '\f':
+ *output_pointer = 'f';
+ break;
+ case '\n':
+ *output_pointer = 'n';
+ break;
+ case '\r':
+ *output_pointer = 'r';
+ break;
+ case '\t':
+ *output_pointer = 't';
+ break;
+ default:
+ /* escape and print as unicode codepoint */
+ sprintf((char *)output_pointer, "u%04x",
+ *input_pointer);
+ output_pointer += 4;
+ break;
+ }
+ }
+ }
+ output[output_length + 1] = '\"';
+ output[output_length + 2] = '\0';
+
+ return true;
+}
+
+/* Invoke print_string_ptr (which is useful) on an item. */
+static cJSON_bool print_string(const cJSON *const item, printbuffer *const p) {
+ return print_string_ptr((unsigned char *)item->valuestring, p);
+}
+
+/* Predeclare these prototypes. */
+static cJSON_bool parse_value(cJSON *const item,
+ parse_buffer *const input_buffer);
+static cJSON_bool print_value(const cJSON *const item,
+ printbuffer *const output_buffer);
+static cJSON_bool parse_array(cJSON *const item,
+ parse_buffer *const input_buffer);
+static cJSON_bool print_array(const cJSON *const item,
+ printbuffer *const output_buffer);
+static cJSON_bool parse_object(cJSON *const item,
+ parse_buffer *const input_buffer);
+static cJSON_bool print_object(const cJSON *const item,
+ printbuffer *const output_buffer);
+
+/* Utility to jump whitespace and cr/lf */
+static parse_buffer *buffer_skip_whitespace(parse_buffer *const buffer) {
+ if ((buffer == NULL) || (buffer->content == NULL)) {
+ return NULL;
+ }
+
+ if (cannot_access_at_index(buffer, 0)) {
+ return buffer;
+ }
+
+ while (can_access_at_index(buffer, 0) &&
+ (buffer_at_offset(buffer)[0] <= 32)) {
+ buffer->offset++;
+ }
+
+ if (buffer->offset == buffer->length) {
+ buffer->offset--;
+ }
+
+ return buffer;
+}
+
+/* skip the UTF-8 BOM (byte order mark) if it is at the beginning of a buffer */
+static parse_buffer *skip_utf8_bom(parse_buffer *const buffer) {
+ if ((buffer == NULL) || (buffer->content == NULL) ||
+ (buffer->offset != 0)) {
+ return NULL;
+ }
+
+ if (can_access_at_index(buffer, 4) &&
+ (strncmp((const char *)buffer_at_offset(buffer), "\xEF\xBB\xBF",
+ 3) == 0)) {
+ buffer->offset += 3;
+ }
+
+ return buffer;
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_ParseWithOpts(const char *value,
+ const char **return_parse_end,
+ cJSON_bool require_null_terminated) {
+ size_t buffer_length;
+
+ if (NULL == value) {
+ return NULL;
+ }
+
+ /* Adding null character size due to require_null_terminated. */
+ buffer_length = strlen(value) + sizeof("");
+
+ return cJSON_ParseWithLengthOpts(value, buffer_length, return_parse_end,
+ require_null_terminated);
+}
+
+/* Parse an object - create a new root, and populate. */
+CJSON_PUBLIC(cJSON *)
+cJSON_ParseWithLengthOpts(const char *value,
+ size_t buffer_length,
+ const char **return_parse_end,
+ cJSON_bool require_null_terminated) {
+ parse_buffer buffer = {0, 0, 0, 0, {0, 0, 0}};
+ cJSON *item = NULL;
+
+ /* reset error position */
+ global_error.json = NULL;
+ global_error.position = 0;
+
+ if (value == NULL || 0 == buffer_length) {
+ goto fail;
+ }
+
+ buffer.content = (const unsigned char *)value;
+ buffer.length = buffer_length;
+ buffer.offset = 0;
+ buffer.hooks = global_hooks;
+
+ item = cJSON_New_Item(&global_hooks);
+ if (item == NULL) /* memory fail */
+ {
+ goto fail;
+ }
+
+ if (!parse_value(item,
+ buffer_skip_whitespace(skip_utf8_bom(&buffer)))) {
+ /* parse failure. ep is set. */
+ goto fail;
+ }
+
+ /* if we require null-terminated JSON without appended garbage, skip and
+ * then check for a null terminator */
+ if (require_null_terminated) {
+ buffer_skip_whitespace(&buffer);
+ if ((buffer.offset >= buffer.length) ||
+ buffer_at_offset(&buffer)[0] != '\0') {
+ goto fail;
+ }
+ }
+ if (return_parse_end) {
+ *return_parse_end = (const char *)buffer_at_offset(&buffer);
+ }
+
+ return item;
+
+fail:
+ if (item != NULL) {
+ cJSON_Delete(item);
+ }
+
+ if (value != NULL) {
+ error local_error;
+ local_error.json = (const unsigned char *)value;
+ local_error.position = 0;
+
+ if (buffer.offset < buffer.length) {
+ local_error.position = buffer.offset;
+ } else if (buffer.length > 0) {
+ local_error.position = buffer.length - 1;
+ }
+
+ if (return_parse_end != NULL) {
+ *return_parse_end = (const char *)local_error.json +
+ local_error.position;
+ }
+
+ global_error = local_error;
+ }
+
+ return NULL;
+}
+
+/* Default options for cJSON_Parse */
+CJSON_PUBLIC(cJSON *) cJSON_Parse(const char *value) {
+ return cJSON_ParseWithOpts(value, 0, 0);
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_ParseWithLength(const char *value, size_t buffer_length) {
+ return cJSON_ParseWithLengthOpts(value, buffer_length, 0, 0);
+}
+
+#define cjson_min(a, b) (((a) < (b)) ? (a) : (b))
+
+static unsigned char *print(const cJSON *const item,
+ cJSON_bool format,
+ const internal_hooks *const hooks) {
+ static const size_t default_buffer_size = 256;
+ printbuffer buffer[1];
+ unsigned char *printed = NULL;
+
+ memset(buffer, 0, sizeof(buffer));
+
+ /* create buffer */
+ buffer->buffer = (unsigned char *)hooks->allocate(default_buffer_size);
+ buffer->length = default_buffer_size;
+ buffer->format = format;
+ buffer->hooks = *hooks;
+ if (buffer->buffer == NULL) {
+ goto fail;
+ }
+
+ /* print the value */
+ if (!print_value(item, buffer)) {
+ goto fail;
+ }
+ update_offset(buffer);
+
+ /* check if reallocate is available */
+ if (hooks->reallocate != NULL) {
+ printed = (unsigned char *)hooks->reallocate(
+ buffer->buffer, buffer->offset + 1);
+ if (printed == NULL) {
+ goto fail;
+ }
+ buffer->buffer = NULL;
+ } else /* otherwise copy the JSON over to a new buffer */
+ {
+ printed = (unsigned char *)hooks->allocate(buffer->offset + 1);
+ if (printed == NULL) {
+ goto fail;
+ }
+ memcpy(printed, buffer->buffer,
+ cjson_min(buffer->length, buffer->offset + 1));
+ printed[buffer->offset] = '\0'; /* just to be sure */
+
+ /* free the buffer */
+ hooks->deallocate(buffer->buffer);
+ }
+
+ return printed;
+
+fail:
+ if (buffer->buffer != NULL) {
+ hooks->deallocate(buffer->buffer);
+ }
+
+ if (printed != NULL) {
+ hooks->deallocate(printed);
+ }
+
+ return NULL;
+}
+
+/* Render a cJSON item/entity/structure to text. */
+CJSON_PUBLIC(char *) cJSON_Print(const cJSON *item) {
+ return (char *)print(item, true, &global_hooks);
+}
+
+CJSON_PUBLIC(char *) cJSON_PrintUnformatted(const cJSON *item) {
+ return (char *)print(item, false, &global_hooks);
+}
+
+CJSON_PUBLIC(char *)
+cJSON_PrintBuffered(const cJSON *item, int prebuffer, cJSON_bool fmt) {
+ printbuffer p = {0, 0, 0, 0, 0, 0, {0, 0, 0}};
+
+ if (prebuffer < 0) {
+ return NULL;
+ }
+
+ p.buffer = (unsigned char *)global_hooks.allocate((size_t)prebuffer);
+ if (!p.buffer) {
+ return NULL;
+ }
+
+ p.length = (size_t)prebuffer;
+ p.offset = 0;
+ p.noalloc = false;
+ p.format = fmt;
+ p.hooks = global_hooks;
+
+ if (!print_value(item, &p)) {
+ global_hooks.deallocate(p.buffer);
+ return NULL;
+ }
+
+ return (char *)p.buffer;
+}
+
+CJSON_PUBLIC(cJSON_bool)
+cJSON_PrintPreallocated(cJSON *item,
+ char *buffer,
+ const int length,
+ const cJSON_bool format) {
+ printbuffer p = {0, 0, 0, 0, 0, 0, {0, 0, 0}};
+
+ if ((length < 0) || (buffer == NULL)) {
+ return false;
+ }
+
+ p.buffer = (unsigned char *)buffer;
+ p.length = (size_t)length;
+ p.offset = 0;
+ p.noalloc = true;
+ p.format = format;
+ p.hooks = global_hooks;
+
+ return print_value(item, &p);
+}
+
+/* Parser core - when encountering text, process appropriately. */
+static cJSON_bool parse_value(cJSON *const item,
+ parse_buffer *const input_buffer) {
+ if ((input_buffer == NULL) || (input_buffer->content == NULL)) {
+ return false; /* no input */
+ }
+
+ /* parse the different types of values */
+ /* null */
+ if (can_read(input_buffer, 4) &&
+ (strncmp((const char *)buffer_at_offset(input_buffer), "null", 4) ==
+ 0)) {
+ item->type = cJSON_NULL;
+ input_buffer->offset += 4;
+ return true;
+ }
+ /* false */
+ if (can_read(input_buffer, 5) &&
+ (strncmp((const char *)buffer_at_offset(input_buffer), "false",
+ 5) == 0)) {
+ item->type = cJSON_False;
+ input_buffer->offset += 5;
+ return true;
+ }
+ /* true */
+ if (can_read(input_buffer, 4) &&
+ (strncmp((const char *)buffer_at_offset(input_buffer), "true", 4) ==
+ 0)) {
+ item->type = cJSON_True;
+ item->valueint = 1;
+ input_buffer->offset += 4;
+ return true;
+ }
+ /* string */
+ if (can_access_at_index(input_buffer, 0) &&
+ (buffer_at_offset(input_buffer)[0] == '\"')) {
+ return parse_string(item, input_buffer);
+ }
+ /* number */
+ if (can_access_at_index(input_buffer, 0) &&
+ ((buffer_at_offset(input_buffer)[0] == '-') ||
+ ((buffer_at_offset(input_buffer)[0] >= '0') &&
+ (buffer_at_offset(input_buffer)[0] <= '9')))) {
+ return parse_number(item, input_buffer);
+ }
+ /* array */
+ if (can_access_at_index(input_buffer, 0) &&
+ (buffer_at_offset(input_buffer)[0] == '[')) {
+ return parse_array(item, input_buffer);
+ }
+ /* object */
+ if (can_access_at_index(input_buffer, 0) &&
+ (buffer_at_offset(input_buffer)[0] == '{')) {
+ return parse_object(item, input_buffer);
+ }
+
+ return false;
+}
+
+/* Render a value to text. */
+static cJSON_bool print_value(const cJSON *const item,
+ printbuffer *const output_buffer) {
+ unsigned char *output = NULL;
+
+ if ((item == NULL) || (output_buffer == NULL)) {
+ return false;
+ }
+
+ switch ((item->type) & 0xFF) {
+ case cJSON_NULL:
+ output = ensure(output_buffer, 5);
+ if (output == NULL) {
+ return false;
+ }
+ strcpy((char *)output, "null");
+ return true;
+
+ case cJSON_False:
+ output = ensure(output_buffer, 6);
+ if (output == NULL) {
+ return false;
+ }
+ strcpy((char *)output, "false");
+ return true;
+
+ case cJSON_True:
+ output = ensure(output_buffer, 5);
+ if (output == NULL) {
+ return false;
+ }
+ strcpy((char *)output, "true");
+ return true;
+
+ case cJSON_Number:
+ return print_number(item, output_buffer);
+
+ case cJSON_Raw: {
+ size_t raw_length = 0;
+ if (item->valuestring == NULL) {
+ return false;
+ }
+
+ raw_length = strlen(item->valuestring) + sizeof("");
+ output = ensure(output_buffer, raw_length);
+ if (output == NULL) {
+ return false;
+ }
+ memcpy(output, item->valuestring, raw_length);
+ return true;
+ }
+
+ case cJSON_String:
+ return print_string(item, output_buffer);
+
+ case cJSON_Array:
+ return print_array(item, output_buffer);
+
+ case cJSON_Object:
+ return print_object(item, output_buffer);
+
+ default:
+ return false;
+ }
+}
+
+/* Build an array from input text. */
+static cJSON_bool parse_array(cJSON *const item,
+ parse_buffer *const input_buffer) {
+ cJSON *head = NULL; /* head of the linked list */
+ cJSON *current_item = NULL;
+
+ if (input_buffer->depth >= CJSON_NESTING_LIMIT) {
+ return false; /* to deeply nested */
+ }
+ input_buffer->depth++;
+
+ if (buffer_at_offset(input_buffer)[0] != '[') {
+ /* not an array */
+ goto fail;
+ }
+
+ input_buffer->offset++;
+ buffer_skip_whitespace(input_buffer);
+ if (can_access_at_index(input_buffer, 0) &&
+ (buffer_at_offset(input_buffer)[0] == ']')) {
+ /* empty array */
+ goto success;
+ }
+
+ /* check if we skipped to the end of the buffer */
+ if (cannot_access_at_index(input_buffer, 0)) {
+ input_buffer->offset--;
+ goto fail;
+ }
+
+ /* step back to character in front of the first element */
+ input_buffer->offset--;
+ /* loop through the comma separated array elements */
+ do {
+ /* allocate next item */
+ cJSON *new_item = cJSON_New_Item(&(input_buffer->hooks));
+ if (new_item == NULL) {
+ goto fail; /* allocation failure */
+ }
+
+ /* attach next item to list */
+ if (head == NULL) {
+ /* start the linked list */
+ current_item = head = new_item;
+ } else {
+ /* add to the end and advance */
+ current_item->next = new_item;
+ new_item->prev = current_item;
+ current_item = new_item;
+ }
+
+ /* parse next value */
+ input_buffer->offset++;
+ buffer_skip_whitespace(input_buffer);
+ if (!parse_value(current_item, input_buffer)) {
+ goto fail; /* failed to parse value */
+ }
+ buffer_skip_whitespace(input_buffer);
+ } while (can_access_at_index(input_buffer, 0) &&
+ (buffer_at_offset(input_buffer)[0] == ','));
+
+ if (cannot_access_at_index(input_buffer, 0) ||
+ buffer_at_offset(input_buffer)[0] != ']') {
+ goto fail; /* expected end of array */
+ }
+
+success:
+ input_buffer->depth--;
+
+ if (head != NULL) {
+ head->prev = current_item;
+ }
+
+ item->type = cJSON_Array;
+ item->child = head;
+
+ input_buffer->offset++;
+
+ return true;
+
+fail:
+ if (head != NULL) {
+ cJSON_Delete(head);
+ }
+
+ return false;
+}
+
+/* Render an array to text */
+static cJSON_bool print_array(const cJSON *const item,
+ printbuffer *const output_buffer) {
+ unsigned char *output_pointer = NULL;
+ size_t length = 0;
+ cJSON *current_element = item->child;
+
+ if (output_buffer == NULL) {
+ return false;
+ }
+
+ /* Compose the output array. */
+ /* opening square bracket */
+ output_pointer = ensure(output_buffer, 1);
+ if (output_pointer == NULL) {
+ return false;
+ }
+
+ *output_pointer = '[';
+ output_buffer->offset++;
+ output_buffer->depth++;
+
+ while (current_element != NULL) {
+ if (!print_value(current_element, output_buffer)) {
+ return false;
+ }
+ update_offset(output_buffer);
+ if (current_element->next) {
+ length = (size_t)(output_buffer->format ? 2 : 1);
+ output_pointer = ensure(output_buffer, length + 1);
+ if (output_pointer == NULL) {
+ return false;
+ }
+ *output_pointer++ = ',';
+ if (output_buffer->format) {
+ *output_pointer++ = ' ';
+ }
+ *output_pointer = '\0';
+ output_buffer->offset += length;
+ }
+ current_element = current_element->next;
+ }
+
+ output_pointer = ensure(output_buffer, 2);
+ if (output_pointer == NULL) {
+ return false;
+ }
+ *output_pointer++ = ']';
+ *output_pointer = '\0';
+ output_buffer->depth--;
+
+ return true;
+}
+
+/* Build an object from the text. */
+static cJSON_bool parse_object(cJSON *const item,
+ parse_buffer *const input_buffer) {
+ cJSON *head = NULL; /* linked list head */
+ cJSON *current_item = NULL;
+
+ if (input_buffer->depth >= CJSON_NESTING_LIMIT) {
+ return false; /* to deeply nested */
+ }
+ input_buffer->depth++;
+
+ if (cannot_access_at_index(input_buffer, 0) ||
+ (buffer_at_offset(input_buffer)[0] != '{')) {
+ goto fail; /* not an object */
+ }
+
+ input_buffer->offset++;
+ buffer_skip_whitespace(input_buffer);
+ if (can_access_at_index(input_buffer, 0) &&
+ (buffer_at_offset(input_buffer)[0] == '}')) {
+ goto success; /* empty object */
+ }
+
+ /* check if we skipped to the end of the buffer */
+ if (cannot_access_at_index(input_buffer, 0)) {
+ input_buffer->offset--;
+ goto fail;
+ }
+
+ /* step back to character in front of the first element */
+ input_buffer->offset--;
+ /* loop through the comma separated array elements */
+ do {
+ /* allocate next item */
+ cJSON *new_item = cJSON_New_Item(&(input_buffer->hooks));
+ if (new_item == NULL) {
+ goto fail; /* allocation failure */
+ }
+
+ /* attach next item to list */
+ if (head == NULL) {
+ /* start the linked list */
+ current_item = head = new_item;
+ } else {
+ /* add to the end and advance */
+ current_item->next = new_item;
+ new_item->prev = current_item;
+ current_item = new_item;
+ }
+
+ /* parse the name of the child */
+ input_buffer->offset++;
+ buffer_skip_whitespace(input_buffer);
+ if (!parse_string(current_item, input_buffer)) {
+ goto fail; /* failed to parse name */
+ }
+ buffer_skip_whitespace(input_buffer);
+
+ /* swap valuestring and string, because we parsed the name */
+ current_item->string = current_item->valuestring;
+ current_item->valuestring = NULL;
+
+ if (cannot_access_at_index(input_buffer, 0) ||
+ (buffer_at_offset(input_buffer)[0] != ':')) {
+ goto fail; /* invalid object */
+ }
+
+ /* parse the value */
+ input_buffer->offset++;
+ buffer_skip_whitespace(input_buffer);
+ if (!parse_value(current_item, input_buffer)) {
+ goto fail; /* failed to parse value */
+ }
+ buffer_skip_whitespace(input_buffer);
+ } while (can_access_at_index(input_buffer, 0) &&
+ (buffer_at_offset(input_buffer)[0] == ','));
+
+ if (cannot_access_at_index(input_buffer, 0) ||
+ (buffer_at_offset(input_buffer)[0] != '}')) {
+ goto fail; /* expected end of object */
+ }
+
+success:
+ input_buffer->depth--;
+
+ if (head != NULL) {
+ head->prev = current_item;
+ }
+
+ item->type = cJSON_Object;
+ item->child = head;
+
+ input_buffer->offset++;
+ return true;
+
+fail:
+ if (head != NULL) {
+ cJSON_Delete(head);
+ }
+
+ return false;
+}
+
+/* Render an object to text. */
+static cJSON_bool print_object(const cJSON *const item,
+ printbuffer *const output_buffer) {
+ unsigned char *output_pointer = NULL;
+ size_t length = 0;
+ cJSON *current_item = item->child;
+
+ if (output_buffer == NULL) {
+ return false;
+ }
+
+ /* Compose the output: */
+ length = (size_t)(output_buffer->format ? 2 : 1); /* fmt: {\n */
+ output_pointer = ensure(output_buffer, length + 1);
+ if (output_pointer == NULL) {
+ return false;
+ }
+
+ *output_pointer++ = '{';
+ output_buffer->depth++;
+ if (output_buffer->format) {
+ *output_pointer++ = '\n';
+ }
+ output_buffer->offset += length;
+
+ while (current_item) {
+ if (output_buffer->format) {
+ size_t i;
+ output_pointer =
+ ensure(output_buffer, output_buffer->depth);
+ if (output_pointer == NULL) {
+ return false;
+ }
+ for (i = 0; i < output_buffer->depth; i++) {
+ *output_pointer++ = '\t';
+ }
+ output_buffer->offset += output_buffer->depth;
+ }
+
+ /* print key */
+ if (!print_string_ptr((unsigned char *)current_item->string,
+ output_buffer)) {
+ return false;
+ }
+ update_offset(output_buffer);
+
+ length = (size_t)(output_buffer->format ? 2 : 1);
+ output_pointer = ensure(output_buffer, length);
+ if (output_pointer == NULL) {
+ return false;
+ }
+ *output_pointer++ = ':';
+ if (output_buffer->format) {
+ *output_pointer++ = '\t';
+ }
+ output_buffer->offset += length;
+
+ /* print value */
+ if (!print_value(current_item, output_buffer)) {
+ return false;
+ }
+ update_offset(output_buffer);
+
+ /* print comma if not last */
+ length = ((size_t)(output_buffer->format ? 1 : 0) +
+ (size_t)(current_item->next ? 1 : 0));
+ output_pointer = ensure(output_buffer, length + 1);
+ if (output_pointer == NULL) {
+ return false;
+ }
+ if (current_item->next) {
+ *output_pointer++ = ',';
+ }
+
+ if (output_buffer->format) {
+ *output_pointer++ = '\n';
+ }
+ *output_pointer = '\0';
+ output_buffer->offset += length;
+
+ current_item = current_item->next;
+ }
+
+ output_pointer =
+ ensure(output_buffer,
+ output_buffer->format ? (output_buffer->depth + 1) : 2);
+ if (output_pointer == NULL) {
+ return false;
+ }
+ if (output_buffer->format) {
+ size_t i;
+ for (i = 0; i < (output_buffer->depth - 1); i++) {
+ *output_pointer++ = '\t';
+ }
+ }
+ *output_pointer++ = '}';
+ *output_pointer = '\0';
+ output_buffer->depth--;
+
+ return true;
+}
+
+/* Get Array size/item / object item. */
+CJSON_PUBLIC(int) cJSON_GetArraySize(const cJSON *array) {
+ cJSON *child = NULL;
+ size_t size = 0;
+
+ if (array == NULL) {
+ return 0;
+ }
+
+ child = array->child;
+
+ while (child != NULL) {
+ size++;
+ child = child->next;
+ }
+
+ /* FIXME: Can overflow here. Cannot be fixed without breaking the API */
+
+ return (int)size;
+}
+
+static cJSON *get_array_item(const cJSON *array, size_t index) {
+ cJSON *current_child = NULL;
+
+ if (array == NULL) {
+ return NULL;
+ }
+
+ current_child = array->child;
+ while ((current_child != NULL) && (index > 0)) {
+ index--;
+ current_child = current_child->next;
+ }
+
+ return current_child;
+}
+
+CJSON_PUBLIC(cJSON *) cJSON_GetArrayItem(const cJSON *array, int index) {
+ if (index < 0) {
+ return NULL;
+ }
+
+ return get_array_item(array, (size_t)index);
+}
+
+static cJSON *get_object_item(const cJSON *const object,
+ const char *const name,
+ const cJSON_bool case_sensitive) {
+ cJSON *current_element = NULL;
+
+ if ((object == NULL) || (name == NULL)) {
+ return NULL;
+ }
+
+ current_element = object->child;
+ if (case_sensitive) {
+ while ((current_element != NULL) &&
+ (current_element->string != NULL) &&
+ (strcmp(name, current_element->string) != 0)) {
+ current_element = current_element->next;
+ }
+ } else {
+ while ((current_element != NULL) &&
+ (case_insensitive_strcmp(
+ (const unsigned char *)name,
+ (const unsigned char *)(current_element->string)) !=
+ 0)) {
+ current_element = current_element->next;
+ }
+ }
+
+ if ((current_element == NULL) || (current_element->string == NULL)) {
+ return NULL;
+ }
+
+ return current_element;
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_GetObjectItem(const cJSON *const object, const char *const string) {
+ return get_object_item(object, string, false);
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_GetObjectItemCaseSensitive(const cJSON *const object,
+ const char *const string) {
+ return get_object_item(object, string, true);
+}
+
+CJSON_PUBLIC(cJSON_bool)
+cJSON_HasObjectItem(const cJSON *object, const char *string) {
+ return cJSON_GetObjectItem(object, string) ? 1 : 0;
+}
+
+/* Utility for array list handling. */
+static void suffix_object(cJSON *prev, cJSON *item) {
+ prev->next = item;
+ item->prev = prev;
+}
+
+/* Utility for handling references. */
+static cJSON *create_reference(const cJSON *item,
+ const internal_hooks *const hooks) {
+ cJSON *reference = NULL;
+ if (item == NULL) {
+ return NULL;
+ }
+
+ reference = cJSON_New_Item(hooks);
+ if (reference == NULL) {
+ return NULL;
+ }
+
+ memcpy(reference, item, sizeof(cJSON));
+ reference->string = NULL;
+ reference->type |= cJSON_IsReference;
+ reference->next = reference->prev = NULL;
+ return reference;
+}
+
+static cJSON_bool add_item_to_array(cJSON *array, cJSON *item) {
+ cJSON *child = NULL;
+
+ if ((item == NULL) || (array == NULL) || (array == item)) {
+ return false;
+ }
+
+ child = array->child;
+ /*
+ * To find the last item in array quickly, we use prev in array
+ */
+ if (child == NULL) {
+ /* list is empty, start new one */
+ array->child = item;
+ item->prev = item;
+ item->next = NULL;
+ } else {
+ /* append to the end */
+ if (child->prev) {
+ suffix_object(child->prev, item);
+ array->child->prev = item;
+ }
+ }
+
+ return true;
+}
+
+/* Add item to array/object. */
+CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToArray(cJSON *array, cJSON *item) {
+ return add_item_to_array(array, item);
+}
+
+#if defined(__clang__) || \
+ (defined(__GNUC__) && \
+ ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5))))
+#pragma GCC diagnostic push
+#endif
+#ifdef __GNUC__
+#pragma GCC diagnostic ignored "-Wcast-qual"
+#endif
+/* helper function to cast away const */
+static void *cast_away_const(const void *string) {
+ return (void *)string;
+}
+#if defined(__clang__) || \
+ (defined(__GNUC__) && \
+ ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5))))
+#pragma GCC diagnostic pop
+#endif
+
+
+static cJSON_bool add_item_to_object(cJSON *const object,
+ const char *const string,
+ cJSON *const item,
+ const internal_hooks *const hooks,
+ const cJSON_bool constant_key) {
+ char *new_key = NULL;
+ int new_type = cJSON_Invalid;
+
+ if ((object == NULL) || (string == NULL) || (item == NULL) ||
+ (object == item)) {
+ return false;
+ }
+
+ if (constant_key) {
+ new_key = (char *)cast_away_const(string);
+ new_type = item->type | cJSON_StringIsConst;
+ } else {
+ new_key =
+ (char *)cJSON_strdup((const unsigned char *)string, hooks);
+ if (new_key == NULL) {
+ return false;
+ }
+
+ new_type = item->type & ~cJSON_StringIsConst;
+ }
+
+ if (!(item->type & cJSON_StringIsConst) && (item->string != NULL)) {
+ hooks->deallocate(item->string);
+ }
+
+ item->string = new_key;
+ item->type = new_type;
+
+ return add_item_to_array(object, item);
+}
+
+CJSON_PUBLIC(cJSON_bool)
+cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item) {
+ return add_item_to_object(object, string, item, &global_hooks, false);
+}
+
+/* Add an item to an object with constant string as key */
+CJSON_PUBLIC(cJSON_bool)
+cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item) {
+ return add_item_to_object(object, string, item, &global_hooks, true);
+}
+
+CJSON_PUBLIC(cJSON_bool)
+cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item) {
+ if (array == NULL) {
+ return false;
+ }
+
+ return add_item_to_array(array, create_reference(item, &global_hooks));
+}
+
+CJSON_PUBLIC(cJSON_bool)
+cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item) {
+ if ((object == NULL) || (string == NULL)) {
+ return false;
+ }
+
+ return add_item_to_object(object, string,
+ create_reference(item, &global_hooks),
+ &global_hooks, false);
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_AddNullToObject(cJSON *const object, const char *const name) {
+ cJSON *null = cJSON_CreateNull();
+ if (add_item_to_object(object, name, null, &global_hooks, false)) {
+ return null;
+ }
+
+ cJSON_Delete(null);
+ return NULL;
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_AddTrueToObject(cJSON *const object, const char *const name) {
+ cJSON *true_item = cJSON_CreateTrue();
+ if (add_item_to_object(object, name, true_item, &global_hooks, false)) {
+ return true_item;
+ }
+
+ cJSON_Delete(true_item);
+ return NULL;
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_AddFalseToObject(cJSON *const object, const char *const name) {
+ cJSON *false_item = cJSON_CreateFalse();
+ if (add_item_to_object(object, name, false_item, &global_hooks,
+ false)) {
+ return false_item;
+ }
+
+ cJSON_Delete(false_item);
+ return NULL;
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_AddBoolToObject(cJSON *const object,
+ const char *const name,
+ const cJSON_bool boolean) {
+ cJSON *bool_item = cJSON_CreateBool(boolean);
+ if (add_item_to_object(object, name, bool_item, &global_hooks, false)) {
+ return bool_item;
+ }
+
+ cJSON_Delete(bool_item);
+ return NULL;
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_AddNumberToObject(cJSON *const object,
+ const char *const name,
+ const double number) {
+ cJSON *number_item = cJSON_CreateNumber(number);
+ if (add_item_to_object(object, name, number_item, &global_hooks,
+ false)) {
+ return number_item;
+ }
+
+ cJSON_Delete(number_item);
+ return NULL;
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_AddStringToObject(cJSON *const object,
+ const char *const name,
+ const char *const string) {
+ cJSON *string_item = cJSON_CreateString(string);
+ if (add_item_to_object(object, name, string_item, &global_hooks,
+ false)) {
+ return string_item;
+ }
+
+ cJSON_Delete(string_item);
+ return NULL;
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_AddRawToObject(cJSON *const object,
+ const char *const name,
+ const char *const raw) {
+ cJSON *raw_item = cJSON_CreateRaw(raw);
+ if (add_item_to_object(object, name, raw_item, &global_hooks, false)) {
+ return raw_item;
+ }
+
+ cJSON_Delete(raw_item);
+ return NULL;
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_AddObjectToObject(cJSON *const object, const char *const name) {
+ cJSON *object_item = cJSON_CreateObject();
+ if (add_item_to_object(object, name, object_item, &global_hooks,
+ false)) {
+ return object_item;
+ }
+
+ cJSON_Delete(object_item);
+ return NULL;
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_AddArrayToObject(cJSON *const object, const char *const name) {
+ cJSON *array = cJSON_CreateArray();
+ if (add_item_to_object(object, name, array, &global_hooks, false)) {
+ return array;
+ }
+
+ cJSON_Delete(array);
+ return NULL;
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_DetachItemViaPointer(cJSON *parent, cJSON *const item) {
+ if ((parent == NULL) || (item == NULL)) {
+ return NULL;
+ }
+
+ if (item != parent->child) {
+ /* not the first element */
+ item->prev->next = item->next;
+ }
+ if (item->next != NULL) {
+ /* not the last element */
+ item->next->prev = item->prev;
+ }
+
+ if (item == parent->child) {
+ /* first element */
+ parent->child = item->next;
+ } else if (item->next == NULL) {
+ /* last element */
+ parent->child->prev = item->prev;
+ }
+
+ /* make sure the detached item doesn't point anywhere anymore */
+ item->prev = NULL;
+ item->next = NULL;
+
+ return item;
+}
+
+CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromArray(cJSON *array, int which) {
+ if (which < 0) {
+ return NULL;
+ }
+
+ return cJSON_DetachItemViaPointer(array,
+ get_array_item(array, (size_t)which));
+}
+
+CJSON_PUBLIC(void) cJSON_DeleteItemFromArray(cJSON *array, int which) {
+ cJSON_Delete(cJSON_DetachItemFromArray(array, which));
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_DetachItemFromObject(cJSON *object, const char *string) {
+ cJSON *to_detach = cJSON_GetObjectItem(object, string);
+
+ return cJSON_DetachItemViaPointer(object, to_detach);
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_DetachItemFromObjectCaseSensitive(cJSON *object, const char *string) {
+ cJSON *to_detach = cJSON_GetObjectItemCaseSensitive(object, string);
+
+ return cJSON_DetachItemViaPointer(object, to_detach);
+}
+
+CJSON_PUBLIC(void)
+cJSON_DeleteItemFromObject(cJSON *object, const char *string) {
+ cJSON_Delete(cJSON_DetachItemFromObject(object, string));
+}
+
+CJSON_PUBLIC(void)
+cJSON_DeleteItemFromObjectCaseSensitive(cJSON *object, const char *string) {
+ cJSON_Delete(cJSON_DetachItemFromObjectCaseSensitive(object, string));
+}
+
+/* Replace array/object items with new ones. */
+CJSON_PUBLIC(cJSON_bool)
+cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem) {
+ cJSON *after_inserted = NULL;
+
+ if (which < 0) {
+ return false;
+ }
+
+ after_inserted = get_array_item(array, (size_t)which);
+ if (after_inserted == NULL) {
+ return add_item_to_array(array, newitem);
+ }
+
+ newitem->next = after_inserted;
+ newitem->prev = after_inserted->prev;
+ after_inserted->prev = newitem;
+ if (after_inserted == array->child) {
+ array->child = newitem;
+ } else {
+ newitem->prev->next = newitem;
+ }
+ return true;
+}
+
+CJSON_PUBLIC(cJSON_bool)
+cJSON_ReplaceItemViaPointer(cJSON *const parent,
+ cJSON *const item,
+ cJSON *replacement) {
+ if ((parent == NULL) || (replacement == NULL) || (item == NULL)) {
+ return false;
+ }
+
+ if (replacement == item) {
+ return true;
+ }
+
+ replacement->next = item->next;
+ replacement->prev = item->prev;
+
+ if (replacement->next != NULL) {
+ replacement->next->prev = replacement;
+ }
+ if (parent->child == item) {
+ if (parent->child->prev == parent->child) {
+ replacement->prev = replacement;
+ }
+ parent->child = replacement;
+ } else { /*
+ * To find the last item in array quickly, we use prev in
+ * array. We can't modify the last item's next pointer where
+ * this item was the parent's child
+ */
+ if (replacement->prev != NULL) {
+ replacement->prev->next = replacement;
+ }
+ if (replacement->next == NULL) {
+ parent->child->prev = replacement;
+ }
+ }
+
+ item->next = NULL;
+ item->prev = NULL;
+ cJSON_Delete(item);
+
+ return true;
+}
+
+CJSON_PUBLIC(cJSON_bool)
+cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem) {
+ if (which < 0) {
+ return false;
+ }
+
+ return cJSON_ReplaceItemViaPointer(
+ array, get_array_item(array, (size_t)which), newitem);
+}
+
+static cJSON_bool replace_item_in_object(cJSON *object,
+ const char *string,
+ cJSON *replacement,
+ cJSON_bool case_sensitive) {
+ if ((replacement == NULL) || (string == NULL)) {
+ return false;
+ }
+
+ /* replace the name in the replacement */
+ if (!(replacement->type & cJSON_StringIsConst) &&
+ (replacement->string != NULL)) {
+ cJSON_free(replacement->string);
+ }
+ replacement->string =
+ (char *)cJSON_strdup((const unsigned char *)string, &global_hooks);
+ replacement->type &= ~cJSON_StringIsConst;
+
+ return cJSON_ReplaceItemViaPointer(
+ object, get_object_item(object, string, case_sensitive),
+ replacement);
+}
+
+CJSON_PUBLIC(cJSON_bool)
+cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem) {
+ return replace_item_in_object(object, string, newitem, false);
+}
+
+CJSON_PUBLIC(cJSON_bool)
+cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object,
+ const char *string,
+ cJSON *newitem) {
+ return replace_item_in_object(object, string, newitem, true);
+}
+
+/* Create basic types: */
+CJSON_PUBLIC(cJSON *) cJSON_CreateNull(void) {
+ cJSON *item = cJSON_New_Item(&global_hooks);
+ if (item) {
+ item->type = cJSON_NULL;
+ }
+
+ return item;
+}
+
+CJSON_PUBLIC(cJSON *) cJSON_CreateTrue(void) {
+ cJSON *item = cJSON_New_Item(&global_hooks);
+ if (item) {
+ item->type = cJSON_True;
+ }
+
+ return item;
+}
+
+CJSON_PUBLIC(cJSON *) cJSON_CreateFalse(void) {
+ cJSON *item = cJSON_New_Item(&global_hooks);
+ if (item) {
+ item->type = cJSON_False;
+ }
+
+ return item;
+}
+
+CJSON_PUBLIC(cJSON *) cJSON_CreateBool(cJSON_bool boolean) {
+ cJSON *item = cJSON_New_Item(&global_hooks);
+ if (item) {
+ item->type = boolean ? cJSON_True : cJSON_False;
+ }
+
+ return item;
+}
+
+CJSON_PUBLIC(cJSON *) cJSON_CreateNumber(double num) {
+ cJSON *item = cJSON_New_Item(&global_hooks);
+ if (item) {
+ item->type = cJSON_Number;
+ item->valuedouble = num;
+
+ /* use saturation in case of overflow */
+ if (num >= INT_MAX) {
+ item->valueint = INT_MAX;
+ } else if (num <= (double)INT_MIN) {
+ item->valueint = INT_MIN;
+ } else {
+ item->valueint = (int)num;
+ }
+ }
+
+ return item;
+}
+
+CJSON_PUBLIC(cJSON *) cJSON_CreateString(const char *string) {
+ cJSON *item = cJSON_New_Item(&global_hooks);
+ if (item) {
+ item->type = cJSON_String;
+ item->valuestring = (char *)cJSON_strdup(
+ (const unsigned char *)string, &global_hooks);
+ if (!item->valuestring) {
+ cJSON_Delete(item);
+ return NULL;
+ }
+ }
+
+ return item;
+}
+
+CJSON_PUBLIC(cJSON *) cJSON_CreateStringReference(const char *string) {
+ cJSON *item = cJSON_New_Item(&global_hooks);
+ if (item != NULL) {
+ item->type = cJSON_String | cJSON_IsReference;
+ item->valuestring = (char *)cast_away_const(string);
+ }
+
+ return item;
+}
+
+CJSON_PUBLIC(cJSON *) cJSON_CreateObjectReference(const cJSON *child) {
+ cJSON *item = cJSON_New_Item(&global_hooks);
+ if (item != NULL) {
+ item->type = cJSON_Object | cJSON_IsReference;
+ item->child = (cJSON *)cast_away_const(child);
+ }
+
+ return item;
+}
+
+CJSON_PUBLIC(cJSON *) cJSON_CreateArrayReference(const cJSON *child) {
+ cJSON *item = cJSON_New_Item(&global_hooks);
+ if (item != NULL) {
+ item->type = cJSON_Array | cJSON_IsReference;
+ item->child = (cJSON *)cast_away_const(child);
+ }
+
+ return item;
+}
+
+CJSON_PUBLIC(cJSON *) cJSON_CreateRaw(const char *raw) {
+ cJSON *item = cJSON_New_Item(&global_hooks);
+ if (item) {
+ item->type = cJSON_Raw;
+ item->valuestring = (char *)cJSON_strdup(
+ (const unsigned char *)raw, &global_hooks);
+ if (!item->valuestring) {
+ cJSON_Delete(item);
+ return NULL;
+ }
+ }
+
+ return item;
+}
+
+CJSON_PUBLIC(cJSON *) cJSON_CreateArray(void) {
+ cJSON *item = cJSON_New_Item(&global_hooks);
+ if (item) {
+ item->type = cJSON_Array;
+ }
+
+ return item;
+}
+
+CJSON_PUBLIC(cJSON *) cJSON_CreateObject(void) {
+ cJSON *item = cJSON_New_Item(&global_hooks);
+ if (item) {
+ item->type = cJSON_Object;
+ }
+
+ return item;
+}
+
+/* Create Arrays: */
+CJSON_PUBLIC(cJSON *) cJSON_CreateIntArray(const int *numbers, int count) {
+ size_t i = 0;
+ cJSON *n = NULL;
+ cJSON *p = NULL;
+ cJSON *a = NULL;
+
+ if ((count < 0) || (numbers == NULL)) {
+ return NULL;
+ }
+
+ a = cJSON_CreateArray();
+ for (i = 0; a && (i < (size_t)count); i++) {
+ n = cJSON_CreateNumber(numbers[i]);
+ if (!n) {
+ cJSON_Delete(a);
+ return NULL;
+ }
+ if (!i) {
+ a->child = n;
+ } else {
+ suffix_object(p, n);
+ }
+ p = n;
+ }
+ a->child->prev = n;
+
+ return a;
+}
+
+CJSON_PUBLIC(cJSON *) cJSON_CreateFloatArray(const float *numbers, int count) {
+ size_t i = 0;
+ cJSON *n = NULL;
+ cJSON *p = NULL;
+ cJSON *a = NULL;
+
+ if ((count < 0) || (numbers == NULL)) {
+ return NULL;
+ }
+
+ a = cJSON_CreateArray();
+
+ for (i = 0; a && (i < (size_t)count); i++) {
+ n = cJSON_CreateNumber((double)numbers[i]);
+ if (!n) {
+ cJSON_Delete(a);
+ return NULL;
+ }
+ if (!i) {
+ a->child = n;
+ } else {
+ suffix_object(p, n);
+ }
+ p = n;
+ }
+ a->child->prev = n;
+
+ return a;
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_CreateDoubleArray(const double *numbers, int count) {
+ size_t i = 0;
+ cJSON *n = NULL;
+ cJSON *p = NULL;
+ cJSON *a = NULL;
+
+ if ((count < 0) || (numbers == NULL)) {
+ return NULL;
+ }
+
+ a = cJSON_CreateArray();
+
+ for (i = 0; a && (i < (size_t)count); i++) {
+ n = cJSON_CreateNumber(numbers[i]);
+ if (!n) {
+ cJSON_Delete(a);
+ return NULL;
+ }
+ if (!i) {
+ a->child = n;
+ } else {
+ suffix_object(p, n);
+ }
+ p = n;
+ }
+ a->child->prev = n;
+
+ return a;
+}
+
+CJSON_PUBLIC(cJSON *)
+cJSON_CreateStringArray(const char *const *strings, int count) {
+ size_t i = 0;
+ cJSON *n = NULL;
+ cJSON *p = NULL;
+ cJSON *a = NULL;
+
+ if ((count < 0) || (strings == NULL)) {
+ return NULL;
+ }
+
+ a = cJSON_CreateArray();
+
+ for (i = 0; a && (i < (size_t)count); i++) {
+ n = cJSON_CreateString(strings[i]);
+ if (!n) {
+ cJSON_Delete(a);
+ return NULL;
+ }
+ if (!i) {
+ a->child = n;
+ } else {
+ suffix_object(p, n);
+ }
+ p = n;
+ }
+ a->child->prev = n;
+
+ return a;
+}
+
+/* Duplication */
+CJSON_PUBLIC(cJSON *) cJSON_Duplicate(const cJSON *item, cJSON_bool recurse) {
+ cJSON *newitem = NULL;
+ cJSON *child = NULL;
+ cJSON *next = NULL;
+ cJSON *newchild = NULL;
+
+ /* Bail on bad ptr */
+ if (!item) {
+ goto fail;
+ }
+ /* Create new item */
+ newitem = cJSON_New_Item(&global_hooks);
+ if (!newitem) {
+ goto fail;
+ }
+ /* Copy over all vars */
+ newitem->type = item->type & (~cJSON_IsReference);
+ newitem->valueint = item->valueint;
+ newitem->valuedouble = item->valuedouble;
+ if (item->valuestring) {
+ newitem->valuestring = (char *)cJSON_strdup(
+ (unsigned char *)item->valuestring, &global_hooks);
+ if (!newitem->valuestring) {
+ goto fail;
+ }
+ }
+ if (item->string) {
+ newitem->string =
+ (item->type & cJSON_StringIsConst)
+ ? item->string
+ : (char *)cJSON_strdup((unsigned char *)item->string,
+ &global_hooks);
+ if (!newitem->string) {
+ goto fail;
+ }
+ }
+ /* If non-recursive, then we're done! */
+ if (!recurse) {
+ return newitem;
+ }
+ /* Walk the ->next chain for the child. */
+ child = item->child;
+ while (child != NULL) {
+ newchild = cJSON_Duplicate(
+ child, true); /* Duplicate (with recurse) each item in the
+ ->next chain */
+ if (!newchild) {
+ goto fail;
+ }
+ if (next != NULL) {
+ /* If newitem->child already set, then crosswire ->prev
+ * and ->next and move on */
+ next->next = newchild;
+ newchild->prev = next;
+ next = newchild;
+ } else {
+ /* Set newitem->child and move to it */
+ newitem->child = newchild;
+ next = newchild;
+ }
+ child = child->next;
+ }
+ if (newitem && newitem->child) {
+ newitem->child->prev = newchild;
+ }
+
+ return newitem;
+
+fail:
+ if (newitem != NULL) {
+ cJSON_Delete(newitem);
+ }
+
+ return NULL;
+}
+
+static void skip_oneline_comment(char **input) {
+ *input += static_strlen("//");
+
+ for (; (*input)[0] != '\0'; ++(*input)) {
+ if ((*input)[0] == '\n') {
+ *input += static_strlen("\n");
+ return;
+ }
+ }
+}
+
+static void skip_multiline_comment(char **input) {
+ *input += static_strlen("/*");
+
+ for (; (*input)[0] != '\0'; ++(*input)) {
+ if (((*input)[0] == '*') && ((*input)[1] == '/')) {
+ *input += static_strlen("*/");
+ return;
+ }
+ }
+}
+
+static void minify_string(char **input, char **output) {
+ (*output)[0] = (*input)[0];
+ *input += static_strlen("\"");
+ *output += static_strlen("\"");
+
+
+ for (; (*input)[0] != '\0'; (void)++(*input), ++(*output)) {
+ (*output)[0] = (*input)[0];
+
+ if ((*input)[0] == '\"') {
+ (*output)[0] = '\"';
+ *input += static_strlen("\"");
+ *output += static_strlen("\"");
+ return;
+ } else if (((*input)[0] == '\\') && ((*input)[1] == '\"')) {
+ (*output)[1] = (*input)[1];
+ *input += static_strlen("\"");
+ *output += static_strlen("\"");
+ }
+ }
+}
+
+CJSON_PUBLIC(void) cJSON_Minify(char *json) {
+ char *into = json;
+
+ if (json == NULL) {
+ return;
+ }
+
+ while (json[0] != '\0') {
+ switch (json[0]) {
+ case ' ':
+ case '\t':
+ case '\r':
+ case '\n':
+ json++;
+ break;
+
+ case '/':
+ if (json[1] == '/') {
+ skip_oneline_comment(&json);
+ } else if (json[1] == '*') {
+ skip_multiline_comment(&json);
+ } else {
+ json++;
+ }
+ break;
+
+ case '\"':
+ minify_string(&json, (char **)&into);
+ break;
+
+ default:
+ into[0] = json[0];
+ json++;
+ into++;
+ }
+ }
+
+ /* and null-terminate. */
+ *into = '\0';
+}
+
+CJSON_PUBLIC(cJSON_bool) cJSON_IsInvalid(const cJSON *const item) {
+ if (item == NULL) {
+ return false;
+ }
+
+ return (item->type & 0xFF) == cJSON_Invalid;
+}
+
+CJSON_PUBLIC(cJSON_bool) cJSON_IsFalse(const cJSON *const item) {
+ if (item == NULL) {
+ return false;
+ }
+
+ return (item->type & 0xFF) == cJSON_False;
+}
+
+CJSON_PUBLIC(cJSON_bool) cJSON_IsTrue(const cJSON *const item) {
+ if (item == NULL) {
+ return false;
+ }
+
+ return (item->type & 0xff) == cJSON_True;
+}
+
+
+CJSON_PUBLIC(cJSON_bool) cJSON_IsBool(const cJSON *const item) {
+ if (item == NULL) {
+ return false;
+ }
+
+ return (item->type & (cJSON_True | cJSON_False)) != 0;
+}
+CJSON_PUBLIC(cJSON_bool) cJSON_IsNull(const cJSON *const item) {
+ if (item == NULL) {
+ return false;
+ }
+
+ return (item->type & 0xFF) == cJSON_NULL;
+}
+
+CJSON_PUBLIC(cJSON_bool) cJSON_IsNumber(const cJSON *const item) {
+ if (item == NULL) {
+ return false;
+ }
+
+ return (item->type & 0xFF) == cJSON_Number;
+}
+
+CJSON_PUBLIC(cJSON_bool) cJSON_IsString(const cJSON *const item) {
+ if (item == NULL) {
+ return false;
+ }
+
+ return (item->type & 0xFF) == cJSON_String;
+}
+
+CJSON_PUBLIC(cJSON_bool) cJSON_IsArray(const cJSON *const item) {
+ if (item == NULL) {
+ return false;
+ }
+
+ return (item->type & 0xFF) == cJSON_Array;
+}
+
+CJSON_PUBLIC(cJSON_bool) cJSON_IsObject(const cJSON *const item) {
+ if (item == NULL) {
+ return false;
+ }
+
+ return (item->type & 0xFF) == cJSON_Object;
+}
+
+CJSON_PUBLIC(cJSON_bool) cJSON_IsRaw(const cJSON *const item) {
+ if (item == NULL) {
+ return false;
+ }
+
+ return (item->type & 0xFF) == cJSON_Raw;
+}
+
+CJSON_PUBLIC(cJSON_bool)
+cJSON_Compare(const cJSON *const a,
+ const cJSON *const b,
+ const cJSON_bool case_sensitive) {
+ if ((a == NULL) || (b == NULL) ||
+ ((a->type & 0xFF) != (b->type & 0xFF)) || cJSON_IsInvalid(a)) {
+ return false;
+ }
+
+ /* check if type is valid */
+ switch (a->type & 0xFF) {
+ case cJSON_False:
+ case cJSON_True:
+ case cJSON_NULL:
+ case cJSON_Number:
+ case cJSON_String:
+ case cJSON_Raw:
+ case cJSON_Array:
+ case cJSON_Object:
+ break;
+
+ default:
+ return false;
+ }
+
+ /* identical objects are equal */
+ if (a == b) {
+ return true;
+ }
+
+ switch (a->type & 0xFF) {
+ /* in these cases and equal type is enough */
+ case cJSON_False:
+ case cJSON_True:
+ case cJSON_NULL:
+ return true;
+
+ case cJSON_Number:
+ if (compare_double(a->valuedouble, b->valuedouble)) {
+ return true;
+ }
+ return false;
+
+ case cJSON_String:
+ case cJSON_Raw:
+ if ((a->valuestring == NULL) || (b->valuestring == NULL)) {
+ return false;
+ }
+ if (strcmp(a->valuestring, b->valuestring) == 0) {
+ return true;
+ }
+
+ return false;
+
+ case cJSON_Array: {
+ cJSON *a_element = a->child;
+ cJSON *b_element = b->child;
+
+ for (; (a_element != NULL) && (b_element != NULL);) {
+ if (!cJSON_Compare(a_element, b_element,
+ case_sensitive)) {
+ return false;
+ }
+
+ a_element = a_element->next;
+ b_element = b_element->next;
+ }
+
+ /* one of the arrays is longer than the other */
+ if (a_element != b_element) {
+ return false;
+ }
+
+ return true;
+ }
+
+ case cJSON_Object: {
+ cJSON *a_element = NULL;
+ cJSON *b_element = NULL;
+ cJSON_ArrayForEach(a_element, a) {
+ /* TODO This has O(n^2) runtime, which is horrible! */
+ b_element = get_object_item(b, a_element->string,
+ case_sensitive);
+ if (b_element == NULL) {
+ return false;
+ }
+
+ if (!cJSON_Compare(a_element, b_element,
+ case_sensitive)) {
+ return false;
+ }
+ }
+
+ /* doing this twice, once on a and b to prevent true comparison
+ * if a subset of b
+ * TODO: Do this the proper way, this is just a fix for now */
+ cJSON_ArrayForEach(b_element, b) {
+ a_element = get_object_item(a, b_element->string,
+ case_sensitive);
+ if (a_element == NULL) {
+ return false;
+ }
+
+ if (!cJSON_Compare(b_element, a_element,
+ case_sensitive)) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ default:
+ return false;
+ }
+}
+
+CJSON_PUBLIC(void *) cJSON_malloc(size_t size) {
+ return global_hooks.allocate(size);
+}
+
+CJSON_PUBLIC(void) cJSON_free(void *object) {
+ global_hooks.deallocate(object);
+}