diff options
Diffstat (limited to 'fluent-bit/lib/jansson-e23f558/src/jansson.h')
| -rw-r--r-- | fluent-bit/lib/jansson-e23f558/src/jansson.h | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/fluent-bit/lib/jansson-e23f558/src/jansson.h b/fluent-bit/lib/jansson-e23f558/src/jansson.h new file mode 100644 index 000000000..391c85e9c --- /dev/null +++ b/fluent-bit/lib/jansson-e23f558/src/jansson.h @@ -0,0 +1,419 @@ +/* + * Copyright (c) 2009-2016 Petri Lehtinen <petri@digip.org> + * + * Jansson is free software; you can redistribute it and/or modify + * it under the terms of the MIT license. See LICENSE for details. + */ + +#ifndef JANSSON_H +#define JANSSON_H + +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> /* for size_t */ + +#include "jansson_config.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* version */ + +#define JANSSON_MAJOR_VERSION 2 +#define JANSSON_MINOR_VERSION 14 +#define JANSSON_MICRO_VERSION 0 + +/* Micro version is omitted if it's 0 */ +#define JANSSON_VERSION "2.14" + +/* Version as a 3-byte hex number, e.g. 0x010201 == 1.2.1. Use this + for numeric comparisons, e.g. #if JANSSON_VERSION_HEX >= ... */ +#define JANSSON_VERSION_HEX \ + ((JANSSON_MAJOR_VERSION << 16) | (JANSSON_MINOR_VERSION << 8) | \ + (JANSSON_MICRO_VERSION << 0)) + +/* If __atomic or __sync builtins are available the library is thread + * safe for all read-only functions plus reference counting. */ +#if JSON_HAVE_ATOMIC_BUILTINS || JSON_HAVE_SYNC_BUILTINS +#define JANSSON_THREAD_SAFE_REFCOUNT 1 +#endif + +#if defined(__GNUC__) || defined(__clang__) +#define JANSSON_ATTRS(x) __attribute__(x) +#else +#define JANSSON_ATTRS(x) +#endif + +/* types */ + +typedef enum { + JSON_OBJECT, + JSON_ARRAY, + JSON_STRING, + JSON_INTEGER, + JSON_REAL, + JSON_TRUE, + JSON_FALSE, + JSON_NULL +} json_type; + +typedef struct json_t { + json_type type; + volatile size_t refcount; +} json_t; + +#ifndef JANSSON_USING_CMAKE /* disabled if using cmake */ +#if JSON_INTEGER_IS_LONG_LONG +#ifdef _WIN32 +#define JSON_INTEGER_FORMAT "I64d" +#else +#define JSON_INTEGER_FORMAT "lld" +#endif +typedef long long json_int_t; +#else +#define JSON_INTEGER_FORMAT "ld" +typedef long json_int_t; +#endif /* JSON_INTEGER_IS_LONG_LONG */ +#endif + +#define json_typeof(json) ((json)->type) +#define json_is_object(json) ((json) && json_typeof(json) == JSON_OBJECT) +#define json_is_array(json) ((json) && json_typeof(json) == JSON_ARRAY) +#define json_is_string(json) ((json) && json_typeof(json) == JSON_STRING) +#define json_is_integer(json) ((json) && json_typeof(json) == JSON_INTEGER) +#define json_is_real(json) ((json) && json_typeof(json) == JSON_REAL) +#define json_is_number(json) (json_is_integer(json) || json_is_real(json)) +#define json_is_true(json) ((json) && json_typeof(json) == JSON_TRUE) +#define json_is_false(json) ((json) && json_typeof(json) == JSON_FALSE) +#define json_boolean_value json_is_true +#define json_is_boolean(json) (json_is_true(json) || json_is_false(json)) +#define json_is_null(json) ((json) && json_typeof(json) == JSON_NULL) + +/* construction, destruction, reference counting */ + +json_t *json_object(void); +json_t *json_array(void); +json_t *json_string(const char *value); +json_t *json_stringn(const char *value, size_t len); +json_t *json_string_nocheck(const char *value); +json_t *json_stringn_nocheck(const char *value, size_t len); +json_t *json_integer(json_int_t value); +json_t *json_real(double value); +json_t *json_true(void); +json_t *json_false(void); +#define json_boolean(val) ((val) ? json_true() : json_false()) +json_t *json_null(void); + +/* do not call JSON_INTERNAL_INCREF or JSON_INTERNAL_DECREF directly */ +#if JSON_HAVE_ATOMIC_BUILTINS +#define JSON_INTERNAL_INCREF(json) \ + __atomic_add_fetch(&json->refcount, 1, __ATOMIC_ACQUIRE) +#define JSON_INTERNAL_DECREF(json) \ + __atomic_sub_fetch(&json->refcount, 1, __ATOMIC_RELEASE) +#elif JSON_HAVE_SYNC_BUILTINS +#define JSON_INTERNAL_INCREF(json) __sync_add_and_fetch(&json->refcount, 1) +#define JSON_INTERNAL_DECREF(json) __sync_sub_and_fetch(&json->refcount, 1) +#else +#define JSON_INTERNAL_INCREF(json) (++json->refcount) +#define JSON_INTERNAL_DECREF(json) (--json->refcount) +#endif + +static JSON_INLINE json_t *json_incref(json_t *json) { + if (json && json->refcount != (size_t)-1) + JSON_INTERNAL_INCREF(json); + return json; +} + +/* do not call json_delete directly */ +void json_delete(json_t *json); + +static JSON_INLINE void json_decref(json_t *json) { + if (json && json->refcount != (size_t)-1 && JSON_INTERNAL_DECREF(json) == 0) + json_delete(json); +} + +#if defined(__GNUC__) || defined(__clang__) +static JSON_INLINE void json_decrefp(json_t **json) { + if (json) { + json_decref(*json); + *json = NULL; + } +} + +#define json_auto_t json_t __attribute__((cleanup(json_decrefp))) +#endif + +/* error reporting */ + +#define JSON_ERROR_TEXT_LENGTH 160 +#define JSON_ERROR_SOURCE_LENGTH 80 + +typedef struct json_error_t { + int line; + int column; + int position; + char source[JSON_ERROR_SOURCE_LENGTH]; + char text[JSON_ERROR_TEXT_LENGTH]; +} json_error_t; + +enum json_error_code { + json_error_unknown, + json_error_out_of_memory, + json_error_stack_overflow, + json_error_cannot_open_file, + json_error_invalid_argument, + json_error_invalid_utf8, + json_error_premature_end_of_input, + json_error_end_of_input_expected, + json_error_invalid_syntax, + json_error_invalid_format, + json_error_wrong_type, + json_error_null_character, + json_error_null_value, + json_error_null_byte_in_key, + json_error_duplicate_key, + json_error_numeric_overflow, + json_error_item_not_found, + json_error_index_out_of_range +}; + +static JSON_INLINE enum json_error_code json_error_code(const json_error_t *e) { + return (enum json_error_code)e->text[JSON_ERROR_TEXT_LENGTH - 1]; +} + +/* getters, setters, manipulation */ + +void json_object_seed(size_t seed); +size_t json_object_size(const json_t *object); +json_t *json_object_get(const json_t *object, const char *key) + JANSSON_ATTRS((warn_unused_result)); +json_t *json_object_getn(const json_t *object, const char *key, size_t key_len) + JANSSON_ATTRS((warn_unused_result)); +int json_object_set_new(json_t *object, const char *key, json_t *value); +int json_object_setn_new(json_t *object, const char *key, size_t key_len, json_t *value); +int json_object_set_new_nocheck(json_t *object, const char *key, json_t *value); +int json_object_setn_new_nocheck(json_t *object, const char *key, size_t key_len, + json_t *value); +int json_object_del(json_t *object, const char *key); +int json_object_deln(json_t *object, const char *key, size_t key_len); +int json_object_clear(json_t *object); +int json_object_update(json_t *object, json_t *other); +int json_object_update_existing(json_t *object, json_t *other); +int json_object_update_missing(json_t *object, json_t *other); +int json_object_update_recursive(json_t *object, json_t *other); +void *json_object_iter(json_t *object); +void *json_object_iter_at(json_t *object, const char *key); +void *json_object_key_to_iter(const char *key); +void *json_object_iter_next(json_t *object, void *iter); +const char *json_object_iter_key(void *iter); +size_t json_object_iter_key_len(void *iter); +json_t *json_object_iter_value(void *iter); +int json_object_iter_set_new(json_t *object, void *iter, json_t *value); + +#define json_object_foreach(object, key, value) \ + for (key = json_object_iter_key(json_object_iter(object)); \ + key && (value = json_object_iter_value(json_object_key_to_iter(key))); \ + key = json_object_iter_key( \ + json_object_iter_next(object, json_object_key_to_iter(key)))) + +#define json_object_keylen_foreach(object, key, key_len, value) \ + for (key = json_object_iter_key(json_object_iter(object)), \ + key_len = json_object_iter_key_len(json_object_key_to_iter(key)); \ + key && (value = json_object_iter_value(json_object_key_to_iter(key))); \ + key = json_object_iter_key( \ + json_object_iter_next(object, json_object_key_to_iter(key))), \ + key_len = json_object_iter_key_len(json_object_key_to_iter(key))) + +#define json_object_foreach_safe(object, n, key, value) \ + for (key = json_object_iter_key(json_object_iter(object)), \ + n = json_object_iter_next(object, json_object_key_to_iter(key)); \ + key && (value = json_object_iter_value(json_object_key_to_iter(key))); \ + key = json_object_iter_key(n), \ + n = json_object_iter_next(object, json_object_key_to_iter(key))) + +#define json_object_keylen_foreach_safe(object, n, key, key_len, value) \ + for (key = json_object_iter_key(json_object_iter(object)), \ + n = json_object_iter_next(object, json_object_key_to_iter(key)), \ + key_len = json_object_iter_key_len(json_object_key_to_iter(key)); \ + key && (value = json_object_iter_value(json_object_key_to_iter(key))); \ + key = json_object_iter_key(n), key_len = json_object_iter_key_len(n), \ + n = json_object_iter_next(object, json_object_key_to_iter(key))) + +#define json_array_foreach(array, index, value) \ + for (index = 0; \ + index < json_array_size(array) && (value = json_array_get(array, index)); \ + index++) + +static JSON_INLINE int json_object_set(json_t *object, const char *key, json_t *value) { + return json_object_set_new(object, key, json_incref(value)); +} + +static JSON_INLINE int json_object_setn(json_t *object, const char *key, size_t key_len, + json_t *value) { + return json_object_setn_new(object, key, key_len, json_incref(value)); +} + +static JSON_INLINE int json_object_set_nocheck(json_t *object, const char *key, + json_t *value) { + return json_object_set_new_nocheck(object, key, json_incref(value)); +} + +static JSON_INLINE int json_object_setn_nocheck(json_t *object, const char *key, + size_t key_len, json_t *value) { + return json_object_setn_new_nocheck(object, key, key_len, json_incref(value)); +} + +static JSON_INLINE int json_object_iter_set(json_t *object, void *iter, json_t *value) { + return json_object_iter_set_new(object, iter, json_incref(value)); +} + +static JSON_INLINE int json_object_update_new(json_t *object, json_t *other) { + int ret = json_object_update(object, other); + json_decref(other); + return ret; +} + +static JSON_INLINE int json_object_update_existing_new(json_t *object, json_t *other) { + int ret = json_object_update_existing(object, other); + json_decref(other); + return ret; +} + +static JSON_INLINE int json_object_update_missing_new(json_t *object, json_t *other) { + int ret = json_object_update_missing(object, other); + json_decref(other); + return ret; +} + +size_t json_array_size(const json_t *array); +json_t *json_array_get(const json_t *array, size_t index) + JANSSON_ATTRS((warn_unused_result)); +int json_array_set_new(json_t *array, size_t index, json_t *value); +int json_array_append_new(json_t *array, json_t *value); +int json_array_insert_new(json_t *array, size_t index, json_t *value); +int json_array_remove(json_t *array, size_t index); +int json_array_clear(json_t *array); +int json_array_extend(json_t *array, json_t *other); + +static JSON_INLINE int json_array_set(json_t *array, size_t ind, json_t *value) { + return json_array_set_new(array, ind, json_incref(value)); +} + +static JSON_INLINE int json_array_append(json_t *array, json_t *value) { + return json_array_append_new(array, json_incref(value)); +} + +static JSON_INLINE int json_array_insert(json_t *array, size_t ind, json_t *value) { + return json_array_insert_new(array, ind, json_incref(value)); +} + +const char *json_string_value(const json_t *string); +size_t json_string_length(const json_t *string); +json_int_t json_integer_value(const json_t *integer); +double json_real_value(const json_t *real); +double json_number_value(const json_t *json); + +int json_string_set(json_t *string, const char *value); +int json_string_setn(json_t *string, const char *value, size_t len); +int json_string_set_nocheck(json_t *string, const char *value); +int json_string_setn_nocheck(json_t *string, const char *value, size_t len); +int json_integer_set(json_t *integer, json_int_t value); +int json_real_set(json_t *real, double value); + +/* pack, unpack */ + +json_t *json_pack(const char *fmt, ...) JANSSON_ATTRS((warn_unused_result)); +json_t *json_pack_ex(json_error_t *error, size_t flags, const char *fmt, ...) + JANSSON_ATTRS((warn_unused_result)); +json_t *json_vpack_ex(json_error_t *error, size_t flags, const char *fmt, va_list ap) + JANSSON_ATTRS((warn_unused_result)); + +#define JSON_VALIDATE_ONLY 0x1 +#define JSON_STRICT 0x2 + +int json_unpack(json_t *root, const char *fmt, ...); +int json_unpack_ex(json_t *root, json_error_t *error, size_t flags, const char *fmt, ...); +int json_vunpack_ex(json_t *root, json_error_t *error, size_t flags, const char *fmt, + va_list ap); + +/* sprintf */ + +json_t *json_sprintf(const char *fmt, ...) + JANSSON_ATTRS((warn_unused_result, format(printf, 1, 2))); +json_t *json_vsprintf(const char *fmt, va_list ap) + JANSSON_ATTRS((warn_unused_result, format(printf, 1, 0))); + +/* equality */ + +int json_equal(const json_t *value1, const json_t *value2); + +/* copying */ + +json_t *json_copy(json_t *value) JANSSON_ATTRS((warn_unused_result)); +json_t *json_deep_copy(const json_t *value) JANSSON_ATTRS((warn_unused_result)); + +/* decoding */ + +#define JSON_REJECT_DUPLICATES 0x1 +#define JSON_DISABLE_EOF_CHECK 0x2 +#define JSON_DECODE_ANY 0x4 +#define JSON_DECODE_INT_AS_REAL 0x8 +#define JSON_ALLOW_NUL 0x10 + +typedef size_t (*json_load_callback_t)(void *buffer, size_t buflen, void *data); + +json_t *json_loads(const char *input, size_t flags, json_error_t *error) + JANSSON_ATTRS((warn_unused_result)); +json_t *json_loadb(const char *buffer, size_t buflen, size_t flags, json_error_t *error) + JANSSON_ATTRS((warn_unused_result)); +json_t *json_loadf(FILE *input, size_t flags, json_error_t *error) + JANSSON_ATTRS((warn_unused_result)); +json_t *json_loadfd(int input, size_t flags, json_error_t *error) + JANSSON_ATTRS((warn_unused_result)); +json_t *json_load_file(const char *path, size_t flags, json_error_t *error) + JANSSON_ATTRS((warn_unused_result)); +json_t *json_load_callback(json_load_callback_t callback, void *data, size_t flags, + json_error_t *error) JANSSON_ATTRS((warn_unused_result)); + +/* encoding */ + +#define JSON_MAX_INDENT 0x1F +#define JSON_INDENT(n) ((n)&JSON_MAX_INDENT) +#define JSON_COMPACT 0x20 +#define JSON_ENSURE_ASCII 0x40 +#define JSON_SORT_KEYS 0x80 +#define JSON_PRESERVE_ORDER 0x100 +#define JSON_ENCODE_ANY 0x200 +#define JSON_ESCAPE_SLASH 0x400 +#define JSON_REAL_PRECISION(n) (((n)&0x1F) << 11) +#define JSON_EMBED 0x10000 + +typedef int (*json_dump_callback_t)(const char *buffer, size_t size, void *data); + +char *json_dumps(const json_t *json, size_t flags) JANSSON_ATTRS((warn_unused_result)); +size_t json_dumpb(const json_t *json, char *buffer, size_t size, size_t flags); +int json_dumpf(const json_t *json, FILE *output, size_t flags); +int json_dumpfd(const json_t *json, int output, size_t flags); +int json_dump_file(const json_t *json, const char *path, size_t flags); +int json_dump_callback(const json_t *json, json_dump_callback_t callback, void *data, + size_t flags); + +/* custom memory allocation */ + +typedef void *(*json_malloc_t)(size_t); +typedef void (*json_free_t)(void *); + +void json_set_alloc_funcs(json_malloc_t malloc_fn, json_free_t free_fn); +void json_get_alloc_funcs(json_malloc_t *malloc_fn, json_free_t *free_fn); + +/* runtime version checking */ + +const char *jansson_version_str(void); +int jansson_version_cmp(int major, int minor, int micro); + +#ifdef __cplusplus +} +#endif + +#endif |