diff options
| -rwxr-xr-x | scripts/checkpatch.pl | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 7d3bc2f3c326..19591af206c5 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2848,10 +2848,7 @@ sub process { # Function pointer declarations # check spacing between type, funcptr, and args # canonical declaration is "type (*funcptr)(args...)" -# -# the $Declare variable will capture all spaces after the type -# so check it for trailing missing spaces or multiple spaces - if ($line =~ /^.\s*($Declare)\((\s*)\*(\s*)$Ident(\s*)\)(\s*)\(/) { + if ($line =~ /^.\s*($Declare)\((\s*)\*(\s*)($Ident)(\s*)\)(\s*)\(/) { my $declare = $1; my $pre_pointer_space = $2; my $post_pointer_space = $3; @@ -2859,16 +2856,30 @@ sub process { my $post_funcname_space = $5; my $pre_args_space = $6; - if ($declare !~ /\s$/) { +# the $Declare variable will capture all spaces after the type +# so check it for a missing trailing missing space but pointer return types +# don't need a space so don't warn for those. + my $post_declare_space = ""; + if ($declare =~ /(\s+)$/) { + $post_declare_space = $1; + $declare = rtrim($declare); + } + if ($declare !~ /\*$/ && $post_declare_space =~ /^$/) { WARN("SPACING", "missing space after return type\n" . $herecurr); + $post_declare_space = " "; } # unnecessary space "type (*funcptr)(args...)" - elsif ($declare =~ /\s{2,}$/) { - WARN("SPACING", - "Multiple spaces after return type\n" . $herecurr); - } +# This test is not currently implemented because these declarations are +# equivalent to +# int foo(int bar, ...) +# and this is form shouldn't/doesn't generate a checkpatch warning. +# +# elsif ($declare =~ /\s{2,}$/) { +# WARN("SPACING", +# "Multiple spaces after return type\n" . $herecurr); +# } # unnecessary space "type ( *funcptr)(args...)" if (defined $pre_pointer_space && @@ -2900,7 +2911,7 @@ sub process { if (show_type("SPACING") && $fix) { $fixed[$linenr - 1] =~ - s/^(.\s*$Declare)\(\s*\*\s*($Ident)\s*\)\s*\(/rtrim($1) . " " . "\(\*$2\)\("/ex; + s/^(.\s*)$Declare\s*\(\s*\*\s*$Ident\s*\)\s*\(/$1 . $declare . $post_declare_space . '(*' . $funcname . ')('/ex; } } |