bson_errors − Handling Errors
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.
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error.domain names the subsystem that generated the error. |
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error.code is a domain−specific error type. |
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error.message describes the error. |
Some error codes overlap with others; always check both the domain and code to determine the type of error.
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