write32 is perfect for my needs, thanks, and I was about to look for a msgpack implementation for luvit too!
Wes > On Jul 17, 2015, at 4:20 PM, Tim Caswell <[email protected]> wrote: > > The libuv bindings assume all input is a lua string since lua strings are > binary safe (they are just arrays of 8-bit data, nothing more). > > If you want to send the single int8_t 25, you can do it with "\25" or "\x19" > or string.char(25). If you want larger integers you can either encode them > by hand using the bit library or use luajit's ffi structs. > > For example, here is encoding a 32-bit integer as 4 bytes > https://github.com/creationix/msgpack-lua/blob/master/msgpack.lua#L27-L33 > <https://github.com/creationix/msgpack-lua/blob/master/msgpack.lua#L27-L33> > > On Fri, Jul 17, 2015 at 2:29 PM, Wes Chow <[email protected] > <mailto:[email protected]>> wrote: > I'm writing some networking code and would like to send an int as a sequence > of binary bytes (not as a string). A socket:write(25) call appears to send > the string '25'. In regular Lua I would use the struct module to convert 25 > into bytes and then send that, however it seems as if many of the standard > libraries don't exist with luvit. What's a poor engineer to do? > > Thanks, > Wes > > > -- > You received this message because you are subscribed to the Google Groups > "luvit" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. > > > -- > You received this message because you are subscribed to a topic in the Google > Groups "luvit" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/luvit/9E6tn59BNf0/unsubscribe > <https://groups.google.com/d/topic/luvit/9E6tn59BNf0/unsubscribe>. > To unsubscribe from this group and all its topics, send an email to > [email protected] > <mailto:[email protected]>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. -- You received this message because you are subscribed to the Google Groups "luvit" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
