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FromDavid Mosberger <>
DateFri, 27 Feb 2004 16:18:53 -0800
SubjectRe: [patch] u64 casts
>>>>> On 27 Feb 2004 15:58:42 -0500, Albert Cahalan <albert@users.sourceforge.net> said:

  Albert> Casts are considered harmful, because they bypass
  Albert> type checking, but how do you print a u64 value?
  Albert> You cast it to "unsigned long long" like this:

  Albert> printk("%llu\n", (unsigned long long)foo);

  Albert> Well, this is silly and ugly. As x86-64 has shown,
  Albert> even a 64-bit port can use "long long" for 64-bit
  Albert> values. This patch changes all other 64-bit ports.
  Albert> It now becomes possible to avoid adding new casts
  Albert> all over the place; existing ones may be removed
  Albert> if so desired.

Did you verify that none of the kernel header files that are still
being used by glibc contain declarations based on __u64 or __s64?  If
not, your patch breaks user-level code.

	--david
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