On Mai 09 2022, Florian Weimer via Gcc wrote: > * Ulrich Drepper via Gcc: > >> t.cc: In function ‘int main()’: >> t.cc:5:24: warning: format string is not an array of type ‘char’ [-Wformat=] >> 5 | printf((const char*) u8"test %d\n", 1); >> | ^~~~~~~~~~~~~ > > This is not an aliasing violation because of the exception for char, > right? So the warning does not even highlight theoretical undefined > behavior. > > On the other hand, that cast is still quite ugly. All string-related > functions in the C library currently need it. It might obscure real > type errors. Isn't this a problem with char8_t?
In C++20, u8 literals have a distinct type, which is an incompatible change from C++17. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."
