Many libbson functions report errors by returning NULL or -1 and filling out a bson_error_t structure
with an error domain, error code, and message.
• error.domain names the subsystem that generated the error.
• error.code is a domain-specific error type.
• error.message describes the error.
Some error codes overlap with others; always check both the domain and code to determine the type of
error.
┌───────────────────┬────────────────────────────────────┬────────────────────────────────┐
│ BSON_ERROR_JSON │ BSON_JSON_ERROR_READ_CORRUPT_JS │ bson_json_reader_t tried to │
│ │ BSON_JSON_ERROR_READ_INVALID_PARAM │ parse invalid MongoDB │
│ │ BSON_JSON_ERROR_READ_CB_FAILURE │ Extended JSON. Tried to │
│ │ │ parse a valid JSON document │
│ │ │ that is invalid as │
│ │ │ MongoDBExtended JSON. An │
│ │ │ internal callback failure │
│ │ │ during JSON parsing. │
├───────────────────┼────────────────────────────────────┼────────────────────────────────┤
│ BSON_ERROR_READER │ BSON_ERROR_READER_BADFD │ bson_json_reader_new_from_file │
│ │ │ could not open the file. │
└───────────────────┴────────────────────────────────────┴────────────────────────────────┘
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