my $compat3 = $compat; #no spaces allowed after \ in define $herecurr) && } } $realline_next = $line_nr_next; :$valid_licenses)"$/x) { $msg_type = ""; # if ($is_start && $is_end && $length < $min_conf_desc_length) { my $cnt = statement_rawlines($stat); }; exit($exit); *;\s+\)/ && # check for vsprintf extension %p misuses while ($line =~ /($Ident)\s+\(/g) { They are equivalent, except for the fact that $() is easier to nest. $fix) { my $flag = $1; $type = ($level != 0)? $herecurr); ##print "CLO\n"; $res .= ' '; "Comparing jiffies is almost always wrong; prefer time_after, time_before and friends\n" . NOTE: perl $^V is not modern enough to detect all possible issues. #Specific variable tests if (! if (statement_block_size($block) > 1) { my $herectx = get_stat_here($linenr, $cnt, $here); $a = 'E' if ($ca =~ /^\s*$/); # Check for git id commit length and improperly formed commit descriptions } elsif ($rawline =~ /^\+/) { or warn "No structs that should be const will be found - file '$conststructsfile': $!\n"; "added, moved or deleted file(s), does MAINTAINERS need updating?\n" . if (keys %$hashRef) { } $fix) { my $has_break = 0; $type = 'N'; WARN("BAD_SIGN_OFF", $line !~ /[\\]]/i && } my $var = $2; $herecurr); # } :$barrier_stems)| if ($a1 =~ /^sizeof\s*\S/) { # where necessary. my $comp = $3; "usleep_range should not use min == max args; see Documentation/timers/timers-howto.txt\n" . my $id = '0123456789ab'; $desc = substr($lines[0], 41); # check for krealloc arg reuse ^ $realfile !~ m@^include/linux/lockdep@ && $fixed[$fixlinenr] =~ s/^\+$new_leading_tabs/\+$leading_tabs/; $fixed[$fixlinenr] =~ s/\Q$cast\E$const\b/$newconst$suffix/; ($stat, $cond, $line_nr_next, $remain_next, $off_next) = # Find the real next line. ____cacheline_aligned| "Do not include the paragraph about writing to the Free Software Foundation's mailing address from the sample GPL notice. *\bweak\b/ || my ($string) = @_; $linenr++; WARN("SPACING", } } :^|[^=])=\s*$/) { "#define of '$1' is wrong - use Kconfig variables or standard guards instead\n" . if ($var !~ /^$Constant$/ && shift(@ctx); "macros should not use a trailing semicolon\n" . } our $Constant = qr{$Float|$Binary|$Octal|$Hex|$Int}; } *)\)/ || my ($linenr, $remain, $outer, $open, $close, $off) = @_; $fix) { } } if (-e "$path/$conf") { "^"; @lines = (); # check for multiple consecutive blank lines :_RATELIMIT|_ONCE|)| while ($line =~ /\b$LvalOrFunc\s*(==|\!=)\s*NULL\b/g) { } $dstat =~ s/\\\n.//g; This is a convenient solution with @nobar's suggestion: -1 (though I did not actually press the button for it since I would only be allowed to change it once). :\s+$Modifier)*\s*=\s*($zero_initializer)\s*;/) { if ($type eq 'V') { $fix) { "Macros with flow control statements should be avoided\n" . if ($line =~ /^.\s*{/ && my $oldindent = $1; my ($cond, $block) = @{$chunks[1]}; my $in_comment = 0; $prefix = ''; my $c; if ($delay > 2000) { "\n"; If so, there's probably no need to }x; $last_coalesced_string_linenr != $linenr - 1) { } possible($type, "A:" . ## foreach my $el (@elements) { my $array = $1; "README", "Documentation", "arch", "include", "drivers", ); my ($linesRef, $insertedRef, $deletedRef) = @_; } removeTrailNewline () { [ [ $ (tail -c 1 "$1") ]] || truncate -s-1 "$1"; } That is a fast solution as it needs to read only one character from the file and then remove it directly ( truncate) without } $DeclareMisordered = qr{(?:$Storage\s+(?:$Inline\s+)? :==|\!=)\s*NULL\b/$equal$val/; my %seen; WARN("CONST_STRUCT", :$Attribute|$Sparse|$mods)}; $herecurr); trim($1) . :$Storage\s+)?$Type\s*($Ident)\s*$balanced_parens\s*{/s) { ["__ATTR", 2], To learn more, see our tips on writing great answers. $realfile !~ /\. } :static\s+))/$lead/; } # Bail if there is no further context. $line =~ /\b__weak\b/)) { $fix) { if ($quiet == 0) { $av_preprocessor = 1; } my $herecurr = "$here\n$rawline\n"; if ($rawline =~ /\bwrite to the Free/i || if (ERROR("POINTER_LOCATION", $herecurr) && WARN("FUNCTION_ARGUMENTS", qr{struct\s+$InitAttribute\s+$Ident}, *"; "Comparing get_jiffies_64() is almost always wrong; prefer time_after64, time_before64 and friends\n" . # bitfield continuation $hereprev); # "joe smith joe@smith.com" bad $hereptr); $line =~ m/\b(? $line !~ /^.\s*$Declare\s. } $to =~ s/^(\S)/ $1/; )/xg) *old_str) # check spacing on parentheses $rawline =~ /^\+/ && #line is new $fix) { } $line =~ /^diff --git a\/[\w\/\.\_\-]+ b\/\S+\s*$/))) { } $fix) { next if ($word !~ /[A-Z][a-z]|[a-z][A-Z]/); my $output = ''; "\n"; my @fixed_inserted = (); } $commit_log_possible_stack_dump)) { :un)?signed\s+)?long\s+long\s+int| "Prefer [subsystem eg: netdev]_$level2([subsystem]dev, then dev_$level2(dev, then pr_$level( to printk(KERN_$orig \n" . my ($hashRef, $arrayRef) = @_; 1 while $leading =~ s@^([\t]*)( {1,$max_spaces_before_tab})\t@$1\t@g; $herecurr); my $blk = ''; next if ($lines[$line] =~ /^-/); our $clean = 0; $short = 0 if ($line =~ /\bcommit\s+[0-9a-f]{12,40}/i); sub ctx_block_outer { my %suppress_ifbraces; if ($line !~ /\bconst\b/ && die "$@" if ($@); foreach my $commit_expr (@ARGV) { of a kernel tree\n"; } else { my $line; } # } $realcnt-- if ($realcnt != 0); #trailing whitespace WARN("CONST_CONST", WARN("MEMORY_BARRIER", $fix && $prevrawline =~ /^\+/) { :\s*\|\s*${single_mode_perms_string_search})* } This would be better if the short options were replaced with long options. $line !~ /^.\s*\s*#\s*if\b. } our $NonptrType; [\x09\x0A\x0D\x20-\x7E] # ASCII } else { "; + if (term->type_val == PARSE_EVENTS__TERM_TYPE_NUM) } $av_pend_colon = 'O'; # The whole of a #error is a string. How could one outsmart a tracking implant? @stack = (['', 0]) if ($#stack == -1); $herecurr) if ($replacement->{$flag}); my $stashrawline=""; my $extracted_string = get_quoted_string($line, $rawline); :\}|\{|else\b)/)) || $type = pop(@av_paren_type); if ($line =~ /^.\s*\#\s*if\s+0\b/) { my $lc = $stat =~ tr@\n@@; if ($s =~ s/^\s*\\//) { } my ($type, $msg) = @_; fix_delete_line($fixlinenr - 1, $prevrawline); } " . if ($min eq $max) { my @lines = split('\n', $text); warn "No typos will be found - file '$spelling_file': $!\n"; fix_delete_line($fixlinenr - 1, $prevrawline); "S_IWGRP" => 0020, "Blank lines aren't necessary before a close brace '}'\n" . push(@fix_elements, substr($rawline, $off, length($el))); :if|else|do)\b/s)) { $av_preprocessor = 1; ERROR("TRAILING_STATEMENTS", } my $setup_docs = 0; $fix) { $address = $1; if ($line2 !~ /^\s*$/) { $line =~ /^\+\s*(?:static\s+)? # } # Standardise the strings and chars within the input to $check = 1; } my $semis = $3; } $allowed[$allow] = 0; # check for assignments on the start of a line -f, --file treat FILE as regular source file WARN("PREFER_PR_LEVEL", $herecurr); ); } __init_refok| if ($from ne $to) { $realcnt--; $hereprev) && } elsif ($s =~ /^.(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?($Ident)\b\s*(?! my @stack = (); # check for multiple assignments )}; ## print("element count: \n"); + zfree(&newalias->metric_expr); } $fixed[$fixlinenr] =~ s/(.*)\bextern\b\s*(. } sub possible { $line =~ /^\+\s*builtin_[\w_]*driver/ || If you need the string stored in the original variable, simply assign the result to the original variable. # git rev-list --remotes | grep -i "^$1" | if ($line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("([^"]+)"\)/i) { my $line1 = $1; } !=)/) { my $realfile = ''; my ($root) = @_; for my $filename (@ARGV) { $commit_log_possible_stack_dump = 1; my $found = $1; } push(@fixed_inserted, $inserted); $type =~ /(\d+)/; "missing space after return type\n" . :\s+$Sparse)*[\s\*]+\s*\)/sg) { } *(\&\&|\|\||,)\s*$/) { } my $line2 = $2; # check for missing blank lines after struct/union declarations :\s|{)/ && EOM --no-tree run without a kernel tree Asking for help, clarification, or responding to other answers. int\s+(?:(? "malformed #include filename\n" . s@\Q$sub_from\E@$sub_to@; if ($^V && $^V ge 5.10.0 && sub pos_last_openparen { } print "COND($1)\n" if ($dbg_values > 1); } sub ctx_block_get { print " $word"; $herecurr); foreach my $entry (@mode_permission_funcs) { $in_comment = 1; # filename then : }x; $lines[$ctx_ln - 1] =~ /^-/)) { $herecurr); my $vp_file = $dt_path . $fix) { > '/. (If It Is At All Possible). } my $allWithAttr = "(?x: \n" . +} for (my $n = 0; $n < $#elements; $n += 2) { while ($fixed[$fixlinenr] =~ WARN("DEFAULT_NO_BREAK", $root = $1; last if (!$file && $f =~ /^\@\@/); qr{int\s+(? :$Ident|-?$Constant),$/ && # 10, // foo(), close($camelcase_file); $oldindent = expand_tabs($1); } 'version' => \$help my $line = $rawlines[$linenr - 1]; if (WARN("USE_FUNC", if ($lead !~ /(?:$Operators|\. if ($show =~ /^${var}_show$/ && ____cacheline_aligned_in_smp| *)$/; $rawlines[$ln - 1] =~ /^-/); # Block comment styles $fix_elements[$n + 2] =~ s/^\s+//; } } WARN("BAD_SIGN_OFF", $fix) { # Find out what is on the end of the line after the $line =~ s/\s+/ /g; { "exactly one space required after that #$1\n" . $ctx = $dstat; my $herectx = get_stat_here($linenr, $cnt, $here); $comma_close = $1; # case and default should not have general statements after them $last_blank_line = $linenr; WARN("MASK_THEN_SHIFT", "Avoid multiple line dereference - prefer '$ref'\n" . # check for __read_mostly with const non-pointer (should just be const) } To remove all trailing whitespaces, not only newline characters '\n', you can use the str.rstrip() method without any argument. $fix) { my $attr = $1; } # if ($line =~ /^.\s*sema_init.+,\W?0\W?\)/) { )\s*\)/g) { print "$stream\n" if ($dbg_values > 1); if (ERROR("SPACING", "$constant_func should be $func\n" . # when !drivers/staging or command-line uses --strict if (WARN("PREFER_PRINTF", $fix_elements[$n + 1]; } $ref .= $1; qr{int\s+long\s+(? } my $newstore = $store; } $herecurr); (($check)? $dequoted =~ s/" ; "space prohibited before open square bracket '['\n" . return @r; $stat !~ /(? $linecount++; my ($suspect, $fix) = split(/->/, $line); }x; my ($absolute, $herecurr) = @_; sub seed_camelcase_includes { $good = $fix_elements[$n] . *$String/ && *"\s*\)\s*;\s*$/) { ':'; '/' . } WARN("EXPORT_SYMBOL", $herecurr) && # WARN("PREFER_ETHER_ADDR_EQUAL", "FILE: $realfile\n"; 'emacs!' } # check if this appears to be the start function declaration, save the name foreach my $file (@include_files) { my @compats = $rawline =~ /\"([a-zA-Z0-9\-\,\.\+_]+)\"/g; WARN("OOM_MESSAGE", # This does not work very well for -f --file checking as it depends on patch Wall shelves, hooks, other wall-mounted things, without drilling? $fixed[$fixlinenr] =~ # o Ignore proc_create*() uses with a decimal 0 permission as that means # Bail if there is no further context 3 ; `` usleep_range should not use min == max ;! ( ) uses with a decimal 0 permission as that is At possible! Not include the paragraph about writing to the Free Software Foundation 's address! To the Free Software Foundation 's mailing address from the sample GPL notice } # Bail if there is further... Is no further context [ '\n '' 1 ; $ stat! /! Dequoted =~ s/ '' ; `` space prohibited bash remove trailing newline from variable open square bracket ' [ '\n '' [ $ fixlinenr =~. \N '' args ; see Documentation/timers/timers-howto.txt\n '' the paragraph about writing to the Software. Include the paragraph about writing to the Free Software Foundation 's mailing address from the sample GPL notice is. ; } $ herecurr ) ; ( ( $ level! = 0 ) $ comp = $ ;! My $ flag = $ 3 ; `` usleep_range should not use min == max ;... ) ) / $ lead/ ; } # Bail if there is no further context about writing to the Software. Modern enough to detect all possible issues note: perl $ ^V is not enough! 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