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style: Tighten up one use of 'may'

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Declarations of variables must be placed before the statements of a
block, by convention. Use 'must' instead of 'may' here and clarify
langauge.

Sponsored by:		Netflix
Reviewed by:		pstef, rpokala, hselasky
Differential Revision:	https://reviews.freebsd.org/D35959
This commit is contained in:
Warner Losh 2022-07-28 08:01:09 -06:00
parent 0cf5abd758
commit e2fa10e676
1 changed files with 1 additions and 2 deletions
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share/man/man9/style.9
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@ -701,8 +701,7 @@ then in alphabetical order; multiple ones per line are okay.
If a line overflows reuse the type keyword. If a line overflows reuse the type keyword.
Variables may be initialized where declared especially when they Variables may be initialized where declared especially when they
are constant for the rest of the scope. are constant for the rest of the scope.
Declarations may be placed before executable lines at the start Declarations may be in any block, but must be placed before statements.
of any block.
Calls to complicated functions should be avoided when initializing variables. Calls to complicated functions should be avoided when initializing variables.
.Bd -literal .Bd -literal
struct foo one, *two; struct foo one, *two;