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Merge branch 'jc/coding-style-c-operator-with-spaces' into maint-2.46 

Write down whitespacing rules around C opeators.

* jc/coding-style-c-operator-with-spaces:
  CodingGuidelines: spaces around C operators
maint
Junio C Hamano 2024-09-13 15:26:51 -07:00
parent 480124470c 44db6f75cc
commit bb57f055ae
1 changed files with 10 additions and 1 deletions
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Documentation/CodingGuidelines
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@ -293,7 +293,9 @@ For C programs:
v12.01, 2022-03-28). v12.01, 2022-03-28).


- Variables have to be declared at the beginning of the block, before - Variables have to be declared at the beginning of the block, before
the first statement (i.e. -Wdeclaration-after-statement). the first statement (i.e. -Wdeclaration-after-statement). It is
encouraged to have a blank line between the end of the declarations
and the first statement in the block.


- NULL pointers shall be written as NULL, not as 0. - NULL pointers shall be written as NULL, not as 0.


@ -313,6 +315,13 @@ For C programs:
while( condition ) while( condition )
func (bar+1); func (bar+1);


- A binary operator (other than ",") and ternary conditional "?:"
have a space on each side of the operator to separate it from its
operands. E.g. "A + 1", not "A+1".

- A unary operator (other than "." and "->") have no space between it
and its operand. E.g. "(char *)ptr", not "(char *) ptr".

- Do not explicitly compare an integral value with constant 0 or '\0', - Do not explicitly compare an integral value with constant 0 or '\0',
or a pointer value with constant NULL. For instance, to validate that or a pointer value with constant NULL. For instance, to validate that
counted array <ptr, cnt> is initialized but has no elements, write: counted array <ptr, cnt> is initialized but has no elements, write: