Thank you both for these comprehensive answers :)
On Mon, Oct 24, 2011 at 7:27 PM, Guy Harris <g...@alum.mit.edu> wrote: > > On Oct 24, 2011, at 8:49 AM, Teto wrote: > >> tvb_get_letoh24 / tvb_get_letohl look more straightforward but I don't >> understand how they transform the number. >> letoh stands for "local to host" ? > > "Little-endian to host", and the "l" stands for "long". > > The "'l' stands for 'long'" is a historical artifact; in 4.2BSD (and probably > earlier), there were "ntohl()" and "htonl()" routines to convert a C "long", > which, at the time, was 32 bits long on 16-bit and 32-bit platforms, between > "network byte order" (big-endian) and "host byte order". There were also > "ntohs()" and "htons()" to convert a C "short", which was 16 bits on those > platforms. > >> why the "24" ? > > 24 bits. > >> I guess the last "l" >> in tvb_get_letohl is for little endian ? > > Nope, "long". > ___________________________________________________________________________ Sent via: Wireshark-dev mailing list <wireshark-dev@wireshark.org> Archives: http://www.wireshark.org/lists/wireshark-dev Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev mailto:wireshark-dev-requ...@wireshark.org?subject=unsubscribe