On Thu, 13 May 2010, Mathieu Bouchard wrote:
On Thu, 13 May 2010, Hans-Christoph Steiner wrote:strncat will copy at most strlen(buf)-bufsize, but it will also copy at most strlen("\0") bytes, and strlen("\0") is zero, because strlen actually is justOr maybe: binbuf_gettext(bb, &buf, &bufsize); strncat(buf, "\0", strlen(buf)-bufsize);long strlen (const char *start) { const char *end = start; while (*end) end++; return end-start; }
... but also, strncat(buf,...) needs a well-defined strlen(buf) in the first place, which only exists if buf has a null terminator before you start. only in this case, strncat will be guaranteed to have the correct behaviour, which is to have no effect at all in this case.
_ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard, Montréal, Québec. téléphone: +1.514.383.3801
_______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
