On Mon, Aug 20, 2018 at 03:33:19AM +0200, Adam Borowski wrote: > Valid uses of strncpy() do exist (such as SCSI structs), but those deal with > fixed-width fields. Thus, gcc is right for warning for at least some of > misuse of strncpy() for C strings. The function wasn't designed for them.
The problem is that the kernel has a goodly share of fixed-width fields. The ext4 superblock is one of them. strncpy() is the most convenient function to do what is needed. If it's a valid use, then we need to have a way to get gcc to shut up about them. - Ted