On Dec 6, 2007, at 2:16 AM, Matthew Wilcox wrote: > On Thu, Dec 06, 2007 at 06:58:54PM +1100, Benjamin Herrenschmidt > wrote: >> I was just hoping somebody had a better idea, like a way to add a new >> format specifier to printk without losing gcc type checking :-) > > It's been discussed before. Some of the solutions discussed: > > - Add something like PRI_RES which can be concatenated into a printk. > Ugly. > - Patch gcc to allow user-definable types. I think OpenBSD has a > patch > for this. Then we have to get that patch propagated to all the > people who compile the kernel. Unappetising. > - Disable gcc's printk checking, teach sparse to typecheck printk. > Most people don't run sparse yet.
How does gcc deal with glibc extension to allow people to add their own specifiers? http://www.gnu.org/software/libc/manual/html_node/Customizing-Printf.html - k _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
