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Diffstat (limited to '')
| -rw-r--r-- | Documentation/CodingGuidelines | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines index 52afb2725f..4e6edf3d66 100644 --- a/Documentation/CodingGuidelines +++ b/Documentation/CodingGuidelines @@ -293,7 +293,9 @@ For C programs: v12.01, 2022-03-28). - 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. @@ -313,6 +315,13 @@ For C programs: while( condition ) 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', or a pointer value with constant NULL. For instance, to validate that counted array <ptr, cnt> is initialized but has no elements, write: |