+1 to don On Thu, Sep 15, 2011 at 9:40 PM, Don <dondod...@gmail.com> wrote:
> Not really. Usually you would need a second parameter indicating the > size of the input. In theory it might be possible to put a marker > value at the end of the array. > > Most implementations of malloc store the size of the memory block in > the word immediately before the returned address. This is used when > you free the memory. So some programmers use things like: > > int *data = (int *)malloc(n*sizeof(int)); > > And then later: > int size = *(data-4)/sizeof(int); > > This would not work if data was declared as an array rather than as a > malloced pointer. It is also completely implementation dependent, so I > would not recommend it for any code which someone may someday have to > maintain. > > Don > > On Sep 15, 10:59 am, rahul vatsa <vatsa.ra...@gmail.com> wrote: > > if i pass an int array to a function, is it possible to find out the no > of > > elements in the called function ? > > -- > 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. > > -- * Regards* *"The Coder"* *"Life is a Game. The more u play, the more u win, the more u win , the more successfully u play"* -- 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.
