is there a pointer-type-cast-and-add macro around?
#define PTR_OFFS(ptr, offset) (void*) (((size_t)((char*)ptr)) + offset)
#define PTR_DIFF(ptr1, ptr2) (size_t) (((size_t)((char*)ptr1)) +
((size_t)((char*)ptr2)) )
did i get that right?
luke
On Thu, Jun 14, 2001 at 01:58:44PM +0200, Sander Striker wrote:
> Hi Jeff,
>
> Could you back this one out and change the types in
> apr_sms_blocks_t to char *?
>
> struct apr_sms_blocks_t
> {
> apr_sms_t header;
> apr_size_t block_sz;
> char *ptr;
> char *endp;
> block_t *free_list;
> block_t *external_list;
> apr_lock_t *lock;
> };
>
> Sander
>
> > trawick 01/06/14 04:44:04
> >
> > Modified: memory/unix apr_sms_blocks.c
> > Log:
> > can't add to void *; pretend it is char *
> >
> > Revision Changes Path
> > 1.4 +2 -2 apr/memory/unix/apr_sms_blocks.c
> >
> > Index: apr_sms_blocks.c
> > ===================================================================
> > RCS file: /home/cvs/apr/memory/unix/apr_sms_blocks.c,v
> > retrieving revision 1.3
> > retrieving revision 1.4
> > diff -u -r1.3 -r1.4
> > --- apr_sms_blocks.c 2001/06/14 10:59:18 1.3
> > +++ apr_sms_blocks.c 2001/06/14 11:44:03 1.4
> > @@ -113,7 +113,7 @@
> > }
> >
> > mem = BLOCKS_T(sms)->ptr;
> > - BLOCKS_T(sms)->ptr += BLOCKS_T(sms)->block_sz;
> > + BLOCKS_T(sms)->ptr = (char *)(BLOCKS_T(sms)->ptr) +
> > BLOCKS_T(sms)->block_sz;
> >
> > if (BLOCKS_T(sms)->ptr > BLOCKS_T(sms)->endp)
> > return NULL;
> > @@ -135,7 +135,7 @@
> > }
> >
> > mem = BLOCKS_T(sms)->ptr;
> > - BLOCKS_T(sms)->ptr += BLOCKS_T(sms)->block_sz;
> > + BLOCKS_T(sms)->ptr = (char *)(BLOCKS_T(sms)->ptr) +
> > BLOCKS_T(sms)->block_sz;
> >
> > if (BLOCKS_T(sms)->ptr > BLOCKS_T(sms)->endp)
> > return NULL;
> >
> >
> >
> >
> >
> >
