On Thu, 5 Apr 2018, [UTF-8] Roger Pau Monn?? wrote:
Log: introduce GiB and MiB macrosThis macros convert from GiB or MiB into bytes.
This is undocumented namspace pollution with bad names and worse types. The better names GB and MB would be more likely to conflicted with code not written by disk marketers.
Modified: head/sys/sys/param.h ============================================================================== --- head/sys/sys/param.h Thu Apr 5 14:25:39 2018 (r332071) +++ head/sys/sys/param.h Thu Apr 5 14:31:54 2018 (r332072) @@ -362,4 +362,8 @@ __END_DECLS */ #define __PAST_END(array, offset) (((__typeof__(*(array)) *)(array))[offset])
Old style bug: space instead of tab after #define.
+/* Unit conversion macros. */ +#define GiB(v) (v ## ULL << 30) +#define MiB(v) (v ## ULL << 20) +
New style bugs: - space instead of tab after #define - use of the long long abomination Type error: - the abomination doesn't have the same type of carefully typedefed types like vm_size_t on any supported arch.
#endif /* _SYS_PARAM_H_ */
Old style bugs: - tab instead of space before comment on #endif. - backwards comment on #endif. Bruce
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