Re: How do I printk <type> correctly?

From: Johannes Berg
Date: Thu Oct 23 2008 - 11:14:20 EST

> u64 SHOULD be printed with %llu/%llx, (unsigned long long):
> printk("%llu", (unsigned long long)u64_var);
> s64 SHOULD be printed with %lld/%llx, (long long):
> printk("%lld", (long long)s64_var);

out of curiosity, why are there platforms that use an "unsigned long"
for u64? An "unsigned long long" is 64-bits too even on 64-bit
platforms, so why the difference? Are there any differences like
alignment on some platforms?


Attachment: signature.asc
Description: This is a digitally signed message part