5.4 Error Handling

punycode_strerror

Function: const char * punycode_strerror (Punycode_status rc)

rc: an Punycode_status return code.

Convert a return code integer to a text string. This string can be used to output a diagnostic message to the user.

PUNYCODE_SUCCESS: Successful operation. This value is guaranteed to always be zero, the remaining ones are only guaranteed to hold non-zero values, for logical comparison purposes.

PUNYCODE_BAD_INPUT: Input is invalid.

PUNYCODE_BIG_OUTPUT: Output would exceed the space provided.

PUNYCODE_OVERFLOW: Input needs wider integers to process.

Return value: Returns a pointer to a statically allocated string containing a description of the error with the return code rc.

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