On (23/09/2008 14:45), David E. O'Brien wrote: > obrien 2008-09-23 14:45:10 UTC > > FreeBSD src repository > > Modified files: > sys/conf files > sys/fs/tmpfs tmpfs.h tmpfs_subr.c tmpfs_vnops.c > sys/i386/i386 bios.c > sys/ia64/ia64 efi.c sal.c > sys/mips/mips support.S > sys/sys libkern.h > Added files: > sys/libkern memcmp.c > Log: > SVN rev 183299 on 2008-09-23 14:45:10Z by obrien > > The kernel implemented 'memcmp' is an alias for 'bcmp'. However, memcmp > and bcmp are not the same thing. 'man bcmp' states that the return is > "non-zero" if the two byte strings are not identical. Where as, > 'man memcmp' states that the return is the "difference between the > first two differing bytes (treated as unsigned char values" if the > two byte strings are not identical. Thanks for fixing it. For a note, the same bug was fixed in if_bridge several years ago.
> So provide a proper memcmp(9), but it is a C implementation not a tuned > assembly implementation. Therefore bcmp(9) should be preferred over > memcmp(9). _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/cvs-all To unsubscribe, send any mail to "[EMAIL PROTECTED]"
