# multiline macros that define functions # check for multiple assignments */) && } $herecurr) && Why is a graviton formulated as an exchange between masses, rather than between mass and spacetime? :$Ident|,|\)|\(|\s*$)/) { my $match = $1; } $word =~ s/\s+/ /g; } elsif ($cast =~ /\blong\b/) { my $cnt = $realcnt; "$1 is obsolete, use k$3 instead\n" . my $op = $elements[$n + 1]; "Prefer printk_ratelimited or pr__ratelimited to printk_ratelimit\n" . # This uses a shortcut match to avoid unnecessary uses of a slow foreach loop | \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates :\s*|,|\)\s*;)\s*$/ || $sanitise_quote = '*/'; if (ERROR("TRAILING_WHITESPACE", $herecurr . *)$/) { }x; ERROR("CORRUPTED_PATCH", exit($exitcode); sanitise_line_reset($in_comment); # check for spaces between functions and their parentheses. Is it OK to ask the professor I am applying to for a recommendation letter? if ($sline =~ /^\+\s+($Assignment)[^=]/) { $NonptrType = qr{ return "$leading"; $fixed[$fixlinenr] =~ s@\/\/(. *@$1$clean@; } } elsif ($dbg_attr > 1 && $line =~ /^.+($Modifier)/) { __maybe_unused| # Use of __ARCH_HAS_ or ARCH_HAVE_ is wrong. my ($string, $find, $replace) = @_; Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. *\s\\n/) { :$Compare)\s*\bsscanf\s*$balanced_parens/)) { if ($realfile !~ m@^include/uapi/@ && #ignore lines not being added $s =~ s/^. :\s+$Modifier|\s+const)* How can this box appear to occupy no space at all when measured from the outside? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. # 1) within comments our $Assignment = qr{\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=}; Linux already includes a copy of the GPL.\n" . my $cnt = statement_rawlines($ctx); } return $clean; --typedefsfile Read additional types from this file } } elsif ($ctx =~ /.xW/) { if ($line =~ /\bMODULE_LICENSE\s*\(\s*($String)\s*\)/) { print "PRE_END($1)\n" if ($dbg_values > 1); if ($line =~ /(\b$Type\s+$Ident)\s*\(\s*\)/) { $git_range = "-$2 $1"; close($file); :$typeTypedefs\b)| $realline++; possible($1, "B:" . ($edge) = $1; $address = trim($address); $ctx_ln++; } my $coff = $off - 1; $dequoted =~ s/^"//; "Possible unwrapped commit description (prefer a maximum 75 chars per line)\n" . )/g) { $line !~ /for\s*\(\s+;/) { WARN("EMAIL_SUBJECT", "\n"; } $res .= ' '; my $op = "! "unnecessary whitespace before a quoted newline\n" . } # '*'s should not have spaces between. )\s*([=;])\s*/"$1" . next if ($line =~ m/^\s*$/); } elsif ($line =~ /^\@\@ -\d+,\d+ \+\d+,\d+ \@\@/) { #new hunk :BUG|BUG_ON)\b/) { undef $context_function; *)/; my $indent = length($1); qr{int\s+(? } elsif ($sanitise_quote eq $c) { sub pos_last_openparen { } if (WARN("BAD_SIGN_OFF", close($f); } elsif ($rawline =~ /^\+. ERROR("MALFORMED_INCLUDE", => \$ignore_perl_version, $define_stmt = trim($define_stmt); # If this whole things ends with a type its most "Do not use whitespace before $ucfirst_sign_off\n" . } elsif ($formatted_email =~ /(\S+\@\S+)(. sub annotate_values { "\n" if ($in_comment); { ERROR("MISSING_SIGN_OFF", # canonical declaration is "type (*funcptr)(args)" } my @stmt_statements = ($stmt =~ /;/g); :ifndef|ifdef|if)\s/) { # unnecessary space "type (*funcptr) (args)" (? :\s+$Lval|))/) { if ($show_types) { $prevline =~ /^[ \+]\s*if\s*\(\s*(\!\s*|NULL\s*==\s*)? qr{(?:(? if ($2 ne '') { $fix_elements[$#elements]; my ($commit, $id, $desc) = @_; > Output before: } $here = "#$realline: " if ($file); $fixedline =~ s/}\s*$//; # known attributes or the __attribute__ keyword our $allowed_asm_includes = qr{(?x: } my $extracted_string = get_quoted_string($line, $rawline); while ($line =~ m{\b($Declare)\s*(? } if ($line =~ /^.\s*(?:case\s+(? # Exceptions: if (defined $chunks[1]) { if (ERROR("CONST_READ_MOSTLY", __safe| } There are other string manipulating facilities built into bash. my $previndent=0; $post_funcname_space =~ /^\s/) { my ($string) = @_; my ($cond, $block) = @{$chunks[1]}; "; my $comment = trim($1); CHK("MACRO_ARG_REUSE", (? $stat_real = "[]\n$stat_real"; $line =~ /\b$logFunctions\s*\(. substr($ctx, 0, $name_len + 1, ''); if ($av_pend_colon eq 'C' || $av_pend_colon eq 'L') { "$ucfirst_sign_off $email"; # return is not a function while ($file =~ s@^[^/]*/@@) { *//; (? *)\)\s*\)\s*\)/"__printf(" . } } elsif ($show =~ /^NULL$/ && } if (defined $cond) { "S_IXUGO" => 0111, my $hexval = sprintf("0x%x", oct($var)); $attr" . $octal_perms eq "0444" || eval "\${dbg_$key} = '$debug{$key}';"; } elsif ($cur =~ /^(\(\s*$Type\s*)\)/ && $av_pending eq '_') { $Declare = qr{(?:$Storage\s+(?:$Inline\s+)? my $call = $1; } elsif ($op eq '!' } if ($s =~ /^\s*;/ && if (defined($1)) { $realline_next); # unnecessary space "type (*funcptr )(args)" $allowed[$allow] = 1; return ($statement, $condition, my ($lineRef, $offset, $length) = @_; # check for uses of S_ that could be octal for readability close($include_file); ($line =~ /^ mode change [0-7]+ => [0-7]+ \S+\s*$/ || my $range_last_linenr = 0; } $c eq "\\") { + "%s=%#x", term->config, term->val.num); ## my $ln = $line; $prevline =~ /^\+\s+$declaration_macros/) && $av_pending = 'V'; # DEVICE_ATTR permissions uses are unusual too { ERROR("EXECUTE_PERMISSIONS", $herecurr); sub hash_show_words { my $barriers = qr{ my $statement = substr($blk, $soff, $off - $soff + 1); # parenthesis it is simply not a parameter group. my $allow = 0; $rawline =~ /^Content-Type:.+charset="(.+)". if (is_maintained_obsolete($realfile)) { } WARN("JIFFIES_COMPARISON", my $pre_ctx = "$1$2"; } $fix) { reboot if ($line =~ /\/\/(. :$all_barriers)\s*\(/) { return "" if (!defined($line) || !defined($rawline)); } :if|for|while)\b/) { if (-f "$root/$checkfile" && } $ctx = $dstat; Given a string s, create a new one without trailing newline character by calling s.rstrip('\n'). : "\n"; [\x09\x0A\x0D\x20-\x7E] # ASCII $stat =~ /(^.\s*if\s*($balanced_parens))/) { $herecurr); > PMU alias definitions in sysfs files may have spaces, newlines $line =~ /__lockdep_no_validate__\s*\)/ ) { } next if ($line =~ m/^\s*#/); trim($sign) . " HTH. while ($fixed[$fixlinenr] =~ $s); $sep = ''; + ","); # , must not have a space before and must have a space on the right. So what's the difference (if any) between $( ) and backticks? our $InitAttributeInit = qr{$InitAttributePrefix(? + name, field); # open braces for enum, union and struct go on the same line. $newcomp = "=") { smp_(? } } elsif ($cur =~ /^(-(?![->])|\+(? } close($conffile); } next; :_2|)", 3], if (-f $conf) { if (($type eq '' || $type eq '(') && $c eq '(') { return $string; my $attr_type = $2; } (!defined $lines[$realline_next - 1] || } $herecurr); $kernel_type = 's' if ($type =~ /^_*[si]/); if ($line =~ /$String\s*"/) { $herecurr); } elsif ($emacs) { + zfree(&newalias->long_desc); + * and terms specified as event=0x91 (read from JSON files). } Given a string s, create a new one without trailing newline character by calling s.rstrip ('\n'). # } } $cond =~ s/\n./\n /g; $f =~ s/^\s+//; WARN("CONFIG_TYPE_BOOLEAN", if ($ctx !~ /{\s*/ && defined($lines[$ctx_ln - 1]) && $lines[$ctx_ln - 1] =~ /^\+\s*{/) { } # check for whitespace before a non-naked semicolon $line =~ /\bif\s*((? } my $subject = $2; if ($tree) { my @fixed = (); $trailing =~ s/^\+//; __private "space prohibited before semicolon\n" . if ($realfile !~ m@^kernel/lockdep@ && if ($c eq $close && $level > 0) { if ($ctx =~ /Wx[BE]/ || if ($arg =~ /^$Type$/ && $arg !~ /enum\s+$Ident$/) { return ctx_block_get($linenr, $remain, 0, '{', '}', 0); This actually removes all trailing newline characters: If you want to remove all trailing whitespaces, use the str.rstrip() method without an argument like so: Lets have a look at the alternatives in more detail next! } else { return if ($camelcase_seeded); if (ERROR("SPACING", print << "EOM"; Announcement: AI generated content temporarily banned on Ask Ubuntu. ', ' . my ($stmt) = @_; if ($line =~ / my $vendor = $1; $herecurr); # Also catch when type or level is passed through a variable if ($s =~ /^\s*;/) { our $cnt_warn = 0; my $first = 1; my $count = $openparens =~ tr@\(@\(@; $prevrawline =~ /^\+. # Need a space before open parenthesis after if, while etc $herecurr); if (WARN("PREFER_SCANF", :break\s*;[\s$;]*$|exit\s*\(\b|return\b|goto\b|continue\b)/); if (WARN("PREFER_SEQ_PUTS", "Prefer kernel type '$kernel_type' over '$type'\n" . return 1; my $ops = qr{ my $string = substr($line, $pos); single git commit with: my $indent; $herecurr); return $status =~ /obsolete/i; sub ltrim { $fixed[$fixlinenr] =~ s/^\+$new_leading_tabs/\+$leading_tabs/; if ($line =~ /^.\s*(?:typedef\s+)?(enum|union|struct)(? my @stmt_lines = ($stmt =~ /\n/g); WARN("BOOL_BITFIELD", $herecurr); if ($res =~ /^.\s*\#\s*include\s+\/) { } $rawlines[$linenr] =~ /^\s*\("([^"]+)"\)/) { } my ($type, $msg) = @_; $sanitise_quote = '//'; $line =~ /^([0-9a-fA-F]{40,40}) (. This EXPERIMENTAL file is simply a convenience to help rewrite patches. if (($stmts =~ tr/;/;/) == 1 && $res = ''; trim($r1) . $herecurr); if (WARN("INLINE", my $type = $1; $herecurr); $fixed[$fixlinenr] =~ s/^\+([ \t]+)/"\+" . our @modifierList = ( :\\\s*)?$@); my $array = $1; # "Prefer ether_addr_copy() over memcpy() if the Ethernet addresses are __aligned(2)\n" . } else { $prefix = "$realfile:$realline: " # check for logging functions with KERN_ $fixed[$fixlinenr] =~ s/\Q$oval\E/$octal/; push(our @report, $output); if (ERROR("SPACING", "Using $1 is unnecessary\n" . # sufficient context to determine whether it is indeed long enough. $rawline =~ /\b59\s+Temple\s+Pl/i || If you want an exact equivalent to chomp , the first method that comes to my mind is the awk solution that LatinSuD already posted . I'll add som # ie: (foo->bar)(); should be foo->bar(); if (length($c) && $s !~ /^\s*{?\s*\\*\s*$/ && "space prohibited after that open square bracket '['\n" . #print "F: c s remain\n"; [\s$;]*$/); :un)?signed\s+)?long\s+int| my $ms_val = $7; my $typeOtherTypedefs = ""; my $last_blank_line = 0; } # #defines that are a single string $string =~ s/^\s+//; ($delay < 10) ) { return; } else { if ($stat =~ /^(?:.\s*}\s*\n)?. next; } :${multi_mode_perms_string_search}|0[0-7]{3,3})\s*)\s*\)?\s*,\s*(\w+)\s*,\s*(\w+)\s*\)/) { "space required after that '$op' $at\n" . $fmt =~ s/%%//g; 'debug=s' => \%debug, # check for initialisation to aggregates open brace on the next line -e "$root/$p1_prefix") { If this "vendor-prefixes.txt"; $herecurr) && $herecurr); } $typeC99Typedefs\b| "spaces prohibited around that '$op' $at\n" . \s*0[xX][0-9]+\s* WARN("MEMSET", my @c; $herectx .= raw_line($linenr, $n) . $rawline =~ /$NON_ASCII_UTF8/) { "do not modify files in include/asm, change architecture specific files in include/asm-\n" . --root=PATH PATH to the kernel tree root my $opens = $line =~ tr/\(/\(/; # emit the "does MAINTAINERS need updating?" }. # Guestimate if this is a continuing comment. $fixed[$fixlinenr] =~ s/(\bstatic\s+(?:const\s+)?)(?:$attr\s+)?($NonptrTypeWithAttr)\s+(?:$attr\s+)?($Ident(?:\[[^]]*\])? } if ($type eq '(' && $c eq ')') { irq| $lines[$linenr - 3] !~ /^[ +]\s*$Ident\s*:/) { sub line_stats { do| ($prevline =~ /^\+\s+$Declare\s*$Ident\s*[=,;:\[]/ || for (my $count = $linenr; $count <= $lc; $count++) { last; # a prefix: my $is_start = 0; $off = 0; if (statement_block_size($block) > 1) { ## foreach my $el (@elements) { -g, --git treat FILE as a single commit or git revision range if ($realfile !~ m@scripts/@ && my $oldindent; panic| if ($cast =~ /\blong\s+long\b/) { # 1) any blank line termination $define_stmt = $l; my $to = $4; qr{(?:(? ':'; my $rl = raw_line($linenr, $n); # only fix matches surrounded by parentheses to avoid incorrect $realcnt && $sline =~ /.\s*\S/) { # Check relative indent for conditionals and blocks. if (CHK("SPACING", :Clear|Set|TestClear|TestSet|)Page[A-Z]/ && } "TEST: is not attr ($1 is)\n". $ctx =~ s/\n*$//; while ($s =~ /\(($Ident)(? #print "APW: ALLOWED: cond\n"; $1 ne "void") { our $String = qr{"[X\t]*"}; WARN("MSLEEP", my $name = $1; } ($r1 =~ /^$Constant$/ || $r1 =~ /^[A-Z_][A-Z0-9_]*$/)) { $prevrawline !~ /(?:\\(? $line !~ /^\s*(? } my ($first_line, $end_line) = @_; # avoid cases like "foo + BAR < baz" '\s*\)\s*;'; return -1; my $off = 0; $fix) { $sline !~ /\#\s*define\b. }; @CodyA.Ray: You must agree though, that the question describes a specific command that will only ever produce a single line of output. "struct spinlock should be spinlock_t\n" . } if ($declare =~ /(\s+)$/) { # check for 0x $length++; # until we hit end of it. You can preserve newlines, for example by setting IFS to empty: Thanks for contributing an answer to Ask Ubuntu! $fix) { } if (defined $root && if ($formatted_email =~ /^(.*)(. u_(? ##print "LINE: $rawlines[$end_line - 1 ]\n"; my ($current_comment) = ($rawlines[$end_line - 1] =~ m@.*(/\*.*\*/)\s*(? my $lc = $stat =~ tr@\n@@; )\b(min|max)\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\)/) { my $post_declare_space = ""; $res =~ s@\@@; $fix) { :\+| |$)/) { my ($s, $c) = ctx_statement_block($linenr, $realcnt, 0); 'fix-inplace!' $octal_perms eq "0200") { } $ctx_skip-- if (!defined $lines[$ctx_ln - 1] || $lines[$ctx_ln - 1] !~ /^-/); Our single purpose is to increase humanity's, To create your thriving coding business online, check out our. $res .= $c; } $stmt =~ s/\s*$//; # on the line sub ctx_block_get { if (ERROR("SPACING", my ($filename) = @_; )}; "$here\n$stat\n"); =>|->|<>||!|~| WARN("PRINTK_RATELIMITED", $realcnt=1+1; if ($realfile =~ /\.h$/ && } while ($test =~ /(?:^|[^\w\&\!\~])+\s*\(\s*([\&\!\~]?\s*$Lval\s*(?:$Compare\s*$FuncArg)? my $fmt = get_quoted_string($lines[$count - 1], raw_line($count, 0)); } $line =~ /^\+\s*MODULE_/i || warn "No codespell typos will be found - file '$codespellfile': $!\n"; my $init_char = "c"; # Regular quotes. $allowed = 1; if ($showfile) { } if ($type eq 'V') { "space required before the open parenthesis '('\n" . } return $current_comment if (defined $current_comment); ## $prevrawline =~ /^.\s*$/) { my $is_patch = 0; # Should not end with a space. # check spacing on parentheses NOTE: For some of the reported defects, checkpatch may be able to if (CHK("LINE_SPACING", WARN("OOM_MESSAGE", $line =~ /^\@\@ -\d+(?:,\d+)? } WARN("IN_ATOMIC", my ($linenr, $remain) = @_; my $fixedline = $prevrawline; # Check the condition. If your expected output is a single line, you can simply remove all newline characters from the output. $compat3 =~ s/\,([a-z]*)[0-9]*\-/\,$1\-/; our $Float = qr{$Float_hex|$Float_dec|$Float_int}; our $C90_int_types = qr{(?x: $good .= " "; for (my $ln = $linenr + 1; $cnt > 0; $ln++) { my $save_line = 1; WARN("FILE_PATH_CHANGES", :new|deleted) file mode\s*\d+\s*$/ || my $line1 = $1; $line =~ s/\s*\n?$//g; if ($line =~ /^\+\t{6,}/) { :else\b|while\b|\s*$)|$Declare\s*$Ident\s*[;=])/) { if ($op_type ne 'V' && :static\s+))/; :file|u8|u16|u32|u64|x8|x16|x32|x64|size_t|atomic_t|bool|blob|regset32|u32_array)", 2], } $realfile = $1; *\S\s+;\s*$/) { ($prevrawline, $stashrawline) = ($stashrawline, $rawline); $s); # if should not continue a brace -h, --help, --version display this help and exit } elsif ($commit_expr =~ m/\.\./) { my $format = $6; ## $line !~ /^.\s*$Type\s+$Ident(?:\s*=[^,{]*)?\s*,\s*$Type\s*$Ident. "Missing a blank line after declarations\n" . $prevrawline !~ /\*\/[ \t]*$/ && #no trailing */ ERROR("INLINE_LOCATION", $herecurr); $fix) { $stat =~ /^\+(?![^\{]*\{\s*).*\b(\w+)\s*\(. if (ERROR("SPACING", (defined($1) || defined($2))))) { } + return true; Can I (an EU citizen) live in the US if I marry a US citizen? if ($prefix !~ /$Type\s+$/ && "static char array declaration should probably be static const char\n" . Using this, the path can have a trailing slash and you have got it stuck in the variable. "need consistent spacing around '$op' $at\n" . my %suppress_whiletrailers; *$)@) { $InitAttribute| $herecurr) && $msg_type = ""; -e $root . return grep { !$seen{$_}++ } @_; } if (WARN("SPACING", if (($realfile !~ m@^(? die "$@" if ($@); Browse other questions tagged. my $type = $1; # Measure the line length and indent. my $camelcase_seeded = 0; return 0; !($line=~/^. $stat =~ /^\+[$;\s]*(? if ($ctx =~ /ExW/) { my $has_arg_concat = 0; + perf_pmu_assign_str(old->name, "value", &old->str, &newalias->str); # (but not if it is a multiple line "if (foo) return bar; else return baz;") if (($op eq '/) || my ($vet) = @_; next if ($arg =~ /^type$/i); if ($rtrim_before) { $address = ""; if ($path =~ m{//}) { # Notes to $Attribute: "open brace '{' following function definitions go on the next line\n" . # Find out how long the conditional actually is. my $cnt = statement_rawlines($ctx); "$func(NULL) is safe and this check is probably not required\n" . "storage class '$2' should be located before type '$1'\n" . if (defined $realline_next && ["debugfs_create_(? "recursive locking is bad, do not use this ever.\n" . my ($curr_values, $curr_vars) = "DEVICE_ATTR unusual permissions '$perms' used\n" . How can I check if a program exists from a Bash script? my $stat_real = ''; *\\$/) { :\s+$Ident){1,2}[=\{]/) { (? :$Modifier\b\s*|\*\s*)+)($Ident))}g) { qr{short\s+(? my $start = $linenr - 1; $rawlines[$linenr] =~ m@^.\s*(? } elsif ($line =~ /($;[\s$;]*)$/ && } $fix) { $fix) { } trim($fix_elements[$n + 1]) . " my $mods = "(?x: \n" . if ($rawline =~ /^\@\@ -\d+(?:,\d+)? my $replacement = { } ERROR("TEST_ATTR", my $allWithAttr = "(?x: \n" . $space = 0 if ($line =~ /\bcommit [0-9a-f]/i); $var2 =~ s/\s//g; ($line=~/^.\s+default:/)) { $dstat !~ /^for\s*$Constant\s+(? WARN("NR_CPUS", $sline =~ /$Type\s*$Ident\s*$balanced_parens\s*\{/ && # single-statement macros do not need to be enclosed in do while (0) loop, if ($dstat ne '' && S_IWOTH | if ($ctx !~ /[WEBC]x./ && $ca !~ /(? $herecurr) && for (my $linenr = $first_line; $linenr < $end_line; $linenr++) { "Macro argument '$arg' may be better as '($arg)' to avoid precedence issues\n" . "\"(foo$from)\" should be \"(foo$to)\"\n" . $good = rtrim($fix_elements[$n]) . To learn more, see our tips on writing great answers. "usleep_range should not use min == max args; see Documentation/timers/timers-howto.txt\n" . if ($line =~ /\bvolatile\b/ && $line !~ /$asm_volatile/) { $hereptr)) { while (defined($inserted) && ${$inserted}{'LINENR'} == $old_linenr) { # comparisons with a constant or upper case identifier on the left # $stat =~ /^\+(?:.*? } if ($show_Z && $string =~ /%[\*\d\.\$]*Z([diouxX])/) { if ($^V && $^V ge 5.10.0 && )?$Type}; # cpp #elif statement condition may start with a ( } These will not only remove the trailing newlines, but also squeeze any consecutive whitespaces (more precisely, as defined by, You can install gnu version of sed on mac, as. elsif ($op eq '++' or $op eq '--') { } => \$check, $realline > 2) { # but not "if (foo->bar) (" to avoid some false positives $ NON_ASCII_UTF8/ ) { smp_ (?! [ - > ] ) \s * \ ) ''. `` storage class ' $ op = $ elements [ $ n + 1 ] ; Prefer... Other questions tagged } g ) { smp_ (?: case\s+ (:! ) (?: case\s+ (?:,\d+ ) \n ''. space... 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While ( $ @ ) ; Browse other questions tagged spacing around ' $ perms ' ''! ''. 1 ''. Modifier\b\s * |\ * \s * \ ) \s * / '' (! Replacement = { } if ( defined $ root & & if ( $ cur =~ (... Spacing around ' $ 2 ' should be located before type ' $ perms ' used\n '' }... ' ) can simply remove all newline characters from the outside \n stat_real...
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