Apologies, typo. This is it: https://play.golang.org/p/9XWoCiUH2D
On Thu, Aug 24, 2017 at 8:39 AM, Rob Pike <r...@golang.org> wrote: > I believe there is no safe (that is, unsafe-free) way to discover the > native byte order. In a sense, this is because depending on the native > byte order is intrinsically unsafe. It is by definition not portable. > It is a terrible design decision. > > By the way, that program may work but it's not sound. It has a hidden > assumption about how bytes are laid out in arrays and the > correspondence with words. (Some machines, like the PDP-11, actually > confused some matters like this). This is a better way to discover the > byte order, at which point you can use portable methods from > encoding/binary: https://play.golang.org/p/7svQ66wl7I > > -rob > > On Thu, Aug 24, 2017 at 8:24 AM, <djad...@gmail.com> wrote: >> It use unsafe, but works even in playground: >> https://play.golang.org/p/S1rw157M9C >> >> >> On Wednesday, August 23, 2017 at 3:49:39 PM UTC+3, Christian von Kietzell >> wrote: >>> >>> Hi, >>> >>> I've stumbled across a problem I don't know how to solve. >>> >>> I'm trying to read (from stdin) four bytes into a uint32 value. Those >>> bytes are provided in _native_ byte order by an external program.[*1] >>> >>> Since I've found nothing in the standard library to determine the >>> machine's native byte order I can't decide whether to use >>> binary.BigEndian.Uint32 or binary.LittleEndian.Uint32. >>> >>> Is there a way without involving package unsafe? Am I missing something >>> obvious? >>> >>> [*1] The data comes from a web browser extension using the native >>> messaging API, which specifies that messages sent to external programs >>> are prefixed with the 32-bit length of the message in native byte order. >>> >>> >>> Thanks, >>> Chris >>> >>> -- >>> Nothing to see here. Move along. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "golang-nuts" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to golang-nuts+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
