drm.h is included by user space programs (the mesa library). Is caddr_t a both a user space and kernel type or is it kernel only? Any types have to be both user and kernel space.
On Thu, 9 Sep 2004 00:54:45 +0200, Simon 'corecode' Schubert <[EMAIL PROTECTED]> wrote: > On 09.09.2004, at 00:24, Jon Smirl wrote: > >> and then, also concerning the declaration of drm_map_t: shouldn't be > >> offset and size be of type caddr_t and size_t? (if this has been > >> handled on list before I joined, please forgive me and tell me to > >> RTFA) > > drm_map_t is compiled into X binaries so we can't change the size of > > it. What are the impacts of caddr_t and size_t and 64 bits? It is fine > > to change things as long as we don't break the existing X > > installations like I just did with the first version of addmap-base-2. > > ah, all right: > > caddr_t is a pointer to a kernel address. I'm not sure about current 64 > bit implementations, but at least for ia32/linux/bsd sizeof(caddr_t) == > sizeof(unsigned long). If this is the same on 64 bit architectures, a > change would be no problem. It's just: SUS/IEEE/ISO/POSIX doesn't > guarrantee the equation above. > > It's about the same for size_t. size_t is a guarranteed unsigned > integer to pass (memory) sizes in. for ia32/linux/bsd again, > sizeof(size_t) == sizeof(unsigned [long] int). > > > > cheers > simon > > -- > /"\ > \ / > \ ASCII Ribbon Campaign > / \ Against HTML Mail and News > > > > -- Jon Smirl [EMAIL PROTECTED] ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! Get your free copy of BEA WebLogic Workshop 8.1 today. http://ads.osdn.com/?ad_id=5047&alloc_id=10808&op=click -- _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
