On Sat, Dec 04, 2021 at 10:27:29PM +0100, Mark Wielaard wrote: > In function ‘printf’, > inlined from ‘handle_attr’ at varlocs.c:932:3: > error: ‘%s’ directive argument is null [-Werror=format-overflow=] > > The warning is technically correct. A %s argument should not be > NULL. Although in practice all implementations will print it as > "(null)". Workaround this by simply changing the dwarf string > functions to return an "<unknown>" string. The test is for the correct > names, either "(null)" or "<unknown>" would make it fail (also remove > a now unnecessary assert, the switch statement will check for unknown > opcodes anyway).
Pushed, Mark