Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.c > #18111

Re: passing a pointer to initialized structrue in a function

Show all headers | View raw

On Friday, March 2, 2012 9:39:25 PM UTC+6, ArifulHossain tuhin wrote:
> I have this structure like following :
> 
> typedef struct{
> char static_data[10];
> int a;
> int b;
> } my_ds;
> 
> i have initialized it like following:
> 
> my_ds * ds = (my_ds *)malloc(sizeof(my_ds));
> memmove(my_ds->static_data, buf, len);
> ds->a = c;
> ds->b = d;
> 
> and passed it in a function:
> 
> int my_fun(void ** data);
> my_fun((void *)&ds);
> 
> what happens inside my_fun, the first field, static[10] is initialized correctly but other two values are zero. What am i missing here?

Sorry for dual posting. first one was not shown for a while. so i thought i did something wrong and posted again. group admin can delete one.

Back to comp.lang.c | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

passing a pointer to initialized structrue in a function ArifulHossain tuhin <etothepowerpi@gmail.com> - 2012-03-02 07:39 -0800
  Re: passing a pointer to initialized structrue in a function ArifulHossain tuhin <etothepowerpi@gmail.com> - 2012-03-02 07:44 -0800
    Re: passing a pointer to initialized structrue in a function James Kuyper <jameskuyper@verizon.net> - 2012-03-02 11:26 -0500
  Re: passing a pointer to initialized structrue in a function James Kuyper <jameskuyper@verizon.net> - 2012-03-02 11:45 -0500
    Re: passing a pointer to initialized structrue in a function James Kuyper <jameskuyper@verizon.net> - 2012-03-02 11:47 -0500
    Re: passing a pointer to initialized structrue in a function Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-03-02 17:02 +0000
      Re: passing a pointer to initialized structrue in a function James Kuyper <jameskuyper@verizon.net> - 2012-03-02 13:53 -0500
  Re: passing a pointer to initialized structrue in a function Ike Naar <ike@iceland.freeshell.org> - 2012-03-02 17:25 +0000
  Re: passing a pointer to initialized structrue in a function cri@tiac.net (Richard Harter) - 2012-03-02 19:40 +0000

csiph-web