On Mon, Jul 14, 2008 at 5:46 PM, Peter Stuge <[EMAIL PROTECTED]> wrote: > On Mon, Jul 14, 2008 at 06:16:06AM +0800, Star Liu wrote: >> I hope I'm not posting to the wrong place, if so, please remind me :) >> I'm making some practice on C programming, so that I can get into the >> linux world. > > Well it seems you're programming a CGI application, so I think this > list isn't the best place to ask. > > >> 131 if(strcasestr(comment, "</xmp")!=NULL) > .. >> LeaveMessage.c:131: warning: comparison between pointer and integer > .. > >> So i don't know why i got this warning, > > The error says that something is wrong in the comparison. You're > comparing a function return value with NULL. > > Either the compiler believes that strcasestr() returns integer, or it > believes that NULL is defined as integer. > > The latter is not so likely because NULL is usually defined as (void *) > which is a pointer type, or it is not defined at all. If it was not > defined at all, you would get a different error message. > > So, the compiler says strcasestr() returns integer. That is the > fallback if the compiler has not seen a prototype (or declaration) > for a function before it is called. > > >> what's the correct way to deal with it? > > I think you may be missing > > #include <strings.h> > > where strcasecmp() is declared. > > > //Peter >
thank you, i think there is something wrong with the gcc or strcasestr, but it doesn't matter, i can manually convert it by (char*)((long)strcasestr(a,b)) -- Regards! Star Shanghai, China -- coreboot mailing list [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
