long unsigned int vs. uint32_t again
Andy Koppe
andy.koppe@gmail.com
Sun Mar 15 08:32:00 GMT 2009
Chuck wrote:
> cygwin's <inttypes.h> has:
> #define PRIu32 "lu"
>
> and <stdint.h> has
> typedef unsigned int uint32_t;
>
> Is it possible that our inttypes.h should be changed, to use "u" for 8, 16, and 32 bits?
Yep, I'd say so.
> Or is gcc's -Wformat=2 in 3.4.4 just too strict here -- and should be checking
> the actual bitwidths of types against the formats, before assuming that
> "lu" doesn't match uint32_t?
No. "long" and "int" are different types, and ignoring this would just
store up trouble for when code is ported to platforms with 64-bit
longs.
Andy
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