On Montag, 11. Februar 2008, Udo Richter wrote: > Well, that leads to the question whether s is unchanged in case of a -1 > error return, and whether this would work:
I can confirm that. The man page however says the value will be undefined. My current understanding is: 1. dont forget to call setlocale! Normally setlocale(LC_ALL,"") 2. if locale is UTF-8, asprintf returns -1 if the string contains illegal UTF-8 characters anywhere 3. this and out of memory are the only reasons I know for result -1. The man page to asprintf says there could be other errors than out of memory but mentions none. 4. If result -1, the buffer pointer stays unchanged, see man page 5. if locale is UTF-8 and a maximum length is defined as in %.9s, and if %.9s would cut a multibyte char, only 8 chars will be used. See example from Ludwig Nussel. What I don't know where in the man pages this is explained - I did not find anything about it. Neither man asprintf or man printf -- Wolfgang _______________________________________________ vdr mailing list vdr@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr
