On Sat, Dec 04, 2021 at 10:15:04PM +0100, Mark Wielaard wrote: > In function ‘strncpy’, > inlined from ‘print_ehdr’ at readelf.c:1175:4: > error: ‘__builtin_strncpy’ specified bound 512 equals destination size > [-Werror=stringop-truncation] > > strncpy doesn't terminate the copied string if there is not enough > room. We compensate later by explicitly adding a zero terminator at > buf[sizeof (buf) - 1]. Normally gcc does see this, but with > -fsanitize=address there is too much (checking) code in between. But > it is actually better to not let strncpy do too much work, so > substract one from the size.
Pushed, Mark
