diff options
Diffstat (limited to 'Documentation/CodingGuidelines')
| -rw-r--r-- | Documentation/CodingGuidelines | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines index c37c43186e..b20b2f94f1 100644 --- a/Documentation/CodingGuidelines +++ b/Documentation/CodingGuidelines @@ -217,6 +217,9 @@ For C programs: . since mid 2017 with 512f41cf, we have been using designated initializers for array (e.g. "int array[10] = { [5] = 2 }"). + . since early 2021 with 765dc168882, we have been using variadic + macros, mostly for printf-like trace and debug macros. + These used to be forbidden, but we have not heard any breakage report, and they are assumed to be safe. @@ -224,7 +227,10 @@ For C programs: the first statement (i.e. -Wdeclaration-after-statement). - Declaring a variable in the for loop "for (int i = 0; i < 10; i++)" - is still not allowed in this codebase. + is still not allowed in this codebase. We are in the process of + allowing it by waiting to see that 44ba10d6 (revision: use C99 + declaration of variable in for() loop, 2021-11-14) does not get + complaints. Let's revisit this around November 2022. - NULL pointers shall be written as NULL, not as 0. |