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gsasl_stringprep_trace(3) gsasl gsasl_stringprep_trace(3)


gsasl_stringprep_trace - API function


#include <gsasl.h>

char * gsasl_stringprep_trace(const char * in, int * stringprep_rc);


input ASCII or UTF-8 string with data to prepare according to "trace".
pointer to output variable with stringprep error code, or NULL to indicate that you don't care about it.


Process a Unicode string for use as trace information, according to the "trace" stringprep profile. The profile is designed for use with the SASL ANONYMOUS Mechanism.

Return value: Return a newly allocated string that is the "trace" processed form of the input string, or NULL on error, in which case stringprep_rc contain the stringprep library error code.


No replacement functionality in GNU SASL, use GNU Libidn instead.


Report bugs to <>.
General guidelines for reporting bugs:
GNU SASL home page:


Copyright © 2002-2021 Simon Josefsson.
Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.


The full documentation for gsasl is maintained as a Texinfo manual. If the info and gsasl programs are properly installed at your site, the command

info gsasl

should give you access to the complete manual. As an alternative you may obtain the manual from:
1.10.0 gsasl