On Thu, Aug 25, 2011 at 2:04 AM, Ninad Page <ninad1...@gmail.com> wrote:
> If you stick to one convention its not that difficult to code without > bothering about endian's.In your case if you want to have a variable data > size for int(As far as I can guess),develop ur own integer interface using > raw bytes like you would do it on paper. > > On Aug 24, 11:41 pm, Arun Vishwanathan <aaron.nar...@gmail.com> wrote: > > @don: so if a 16bit value is put into a 32 bit field and i need to read > the > > value, do i need to read last 16 bits only somehow ? > > > > > > > > > > > > > > As long as you are saving those 16 bits in a variable (an integer, a > bit-field or otherwise), you don't need to worry in which bytes they > are stored. In fact many machines (including Intel x86 and x86-64 > architectures) use little endian format, so those 16 bits will be > stored in first 16 bits of a 32-bit integer, not last! > > > > > > > > > On Wed, Aug 24, 2011 at 8:22 PM, Don <dondod...@gmail.com> wrote: > > > It is most common to use 4 bytes to store an integer value, even if > > > the full range will not be used. There is no problem putting a 16-bit > > > value into a 32-bit field. The only case where this is not true is > > > when memory is extremely limited and you need to pack as much into > > > every word as possible. Do be aware that most structures are word- > > > aligned, so to actually save memory you must have several adjacent > > > elements in the structure which can be combined into one word. > > > Don > > > > > On Aug 24, 1:07 pm, Arun Vishwanathan <aaron.nar...@gmail.com> wrote: > > > > Hi all, > > > > > > I need to store a hexadecimal value in C( which would be used as a > > > request > > > > type in a network) of around 4digits( or 16 bits-2 bytes ) in a > packet > > > > structure.If my system keeps 4 bytes for an integers, is it necessary > > > that I > > > > have to declare the hex value as of type short int or so, so that it > > > takes > > > > up only 2 bytes in my packet ? What if it was required to have a hex > > > value > > > > of 3 bytes or so? How could i store it then? > > > > Also if hex value was to be of a multiple of 4 bytes would i need to > use > > > > something like an integer array to store them or a float maybe? > > > > > > thanks! > > > > > > -- > > > > "People often say that motivation doesn't last. Well, neither does > > > bathing > > > > - that's why we recommend it daily." > > > > > -- > > > You received this message because you are subscribed to the Google > Groups > > > "Algorithm Geeks" group. > > > To post to this group, send email to algogeeks@googlegroups.com. > > > To unsubscribe from this group, send email to > > > algogeeks+unsubscr...@googlegroups.com. > > > For more options, visit this group at > > >http://groups.google.com/group/algogeeks?hl=en. > > > > -- > > "People often say that motivation doesn't last. Well, neither does > bathing > > - that's why we recommend it daily." > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > > -- Saurabh Singh B.Tech (Computer Science) MNNIT ALLAHABAD -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
