Den 4 jun 2014 23:29 skrev "Jakub Zawadzki" <[email protected]>: > > Hi, > > On Wed, Jun 04, 2014 at 11:24:59AM +0000, Anders Broman wrote: > > I did a test with > > static inline const guint8* > > guint8_pbrk(const guint8* haystack, size_t haystacklen _U_, const guint8 *needles, guchar *found_needle) > > { > > const guint8 *result = (const guint8 *)strpbrk(haystack, needles); > > > > if (result && found_needle) > > *found_needle = *result; > > > > return result; > > } > > > > Which seems to give as good results on Ubuntu 13.10, it ends up using __strpbrk_sse42 (libc-2.17.so: strcspn-c.c, ...) > > ==29458== > > ==29458== Events : Ir > > ==29458== Collected : 21130728727 > > ==29458== > > ==29458== I refs: 21,130,728,727 > > Load time in WS 0:19.300 > > Yep, ws_mempbrk_sse42() is based on __strpbrk_sse42(), and it should give similar results. > Still we must have binary (string, length) search, and strpbrk() works correctly only for NUL terminated string. > Our tvb's are not NUL terminated, and strpbrk() won't skip over NULs, so we need some modification. > > Cheers, > Jakub.
Yeah, I realised after writing The mail. Anders > ___________________________________________________________________________ > Sent via: Wireshark-dev mailing list <[email protected]> > Archives: http://www.wireshark.org/lists/wireshark-dev > Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev > mailto:[email protected] ?subject=unsubscribe
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