Re: [PLUG] printf and unsigned long

[Walt Mankowski <waltman@pobox.com>]

On Sat, Dec 06, 2003 at 11:41:52AM -0500, Jeff Abrahamson wrote:
> What am I doing wrong here?

2 things:

1.  Use %lu to get printf to print unsigned longs.

2.  You've got UL in both printf statements.  I assume you meant to
    put UL2 in the second one.

> 
>   /*  int.c  */
>   #include <stdio.h>
> 
>   int
>   main(int argc,
>        char *argv[])
>   {
> 	  signed long SL;
> 	  unsigned long UL, UL2;
> 
> 	  SL = -1;
> 	  UL = (unsigned long)SL;
> 	  printf("SL=%ld, UL=%ld\n", SL, UL);

          printf("SL=%ld, UL=%lu\n", SL, UL);
> 
> 	  UL2 = ~0;
> 	  printf("SL=%ld, UL=%ld\n", SL, UL);

          printf("SL=%ld, UL=%lu\n", SL, UL2);

> 
> 	  return 0;
>   }

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