json_decoder_parse_error_t

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JSON decoder parser error codes

Synopsis:

#include <sys/json.h>

typedef enum {
    JSON_DECODER_PARSE_OK = 0,
    JSON_DECODER_DOUBLE_QUOTE_EXPECTED = 1,
    JSON_DECODER_COLON_EXPECTED = 2,
    JSON_DECODER_RIGHT_BRACE_OR_COMMA_EXPECTED = 3,
    JSON_DECODER_RIGHT_BRACKET_OR_COMMA_EXPECTED = 4,
    JSON_DECODER_TRUE_EXPECTED = 5,
    JSON_DECODER_FALSE_EXPECTED = 6,
    JSON_DECODER_NULL_EXPECTED = 7,
    JSON_DECODER_UNEXPECTED_CHARACTER = 8,
    JSON_DECODER_UNTERMINATED_STRING = 9,
    JSON_DECODER_INCOMPLETE_ESCAPED_CHARACTER = 10,
    JSON_DECODER_INVALID_HEXADECIMAL_DIGIT = 11,
    JSON_DECODER_MISSING_TRAIL_SURROGATE = 12,
    JSON_DECODER_UNEXPECTED_TRAIL_SURROGATE = 13,
    JSON_DECODER_UNEXPECTED_COMMA = 14,
    JSON_DECODER_EXTRA_CHARACTERS = 15,
    JSON_DECODER_UNEXPECTED_END_OF_STRING = 16
} json_decoder_parse_error_t;

Data:

JSON_DECODER_PARSE_OK: No parsing error occurred.
JSON_DECODER_DOUBLE_QUOTE_EXPECTED: A " character was expected.
JSON_DECODER_COLON_EXPECTED: A : character was expected following a property name.
JSON_DECODER_RIGHT_BRACE_OR_COMMA_EXPECTED: A } or , character was expected.
JSON_DECODER_RIGHT_BRACKET_OR_COMMA_EXPECTED: A ] or , character was expected.
JSON_DECODER_TRUE_EXPECTED: The string true was expected.
JSON_DECODER_FALSE_EXPECTED: The string false was expected.
JSON_DECODER_NULL_EXPECTED: The string null was expected.
JSON_DECODER_UNEXPECTED_CHARACTER: An unexpected character was found.
JSON_DECODER_UNTERMINATED_STRING: A string was not terminated by a ".
JSON_DECODER_INCOMPLETE_ESCAPED_CHARACTER: No further data was found following a \ character.
JSON_DECODER_INVALID_HEXADECIMAL_DIGIT: A character in a \uxxxx sequence is not a hexadecimal digit.
JSON_DECODER_MISSING_TRAIL_SURROGATE: A unicode UTF-16 trailing surrogate was not found following a lead surrogate.
JSON_DECODER_UNEXPECTED_TRAIL_SURROGATE: A unicode UTF-16 trailing surrogate was encountered where it is not permitted.
JSON_DECODER_UNEXPECTED_COMMA: An array or object contained a , with no following element or property.
JSON_DECODER_EXTRA_CHARACTERS: The JSON string is followed by extra characters or an unterminated comment.
JSON_DECODER_UNEXPECTED_END_OF_STRING: The JSON string ended unexpectedly.

Library:

libjson

Description:

If a call to json_decoder_parse_json_str() fails with a JSON_DECODER_PARSE_ERROR, the specific error and its location may be obtained by calling json_decoder_get_parse_error(), which returns the parser error code.

Page updated: August 11, 2025