+ zfree(&newalias->topic); | \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs $found_file = 1; } chomp $git_last_include_commit; my $loff = 0; if ($in_commit_log && !$commit_log_possible_stack_dump && + } print "PRE_RESTART($1)\n" if ($dbg_values > 1); } If you specifically need to remove only newline characters, pass the '\n' character as an argument to string.rstrip('\n'). $line !~ /\btypedef\s+$Type\s+$Ident\s*\(/ && $fix) { "$here\n$stat\n") && # Check for __attribute__ packed, prefer __packed # check for missing blank lines after struct/union declarations # if statements using unnecessary parentheses - ie: if ((foo == bar)) } else { $res = substr($line, 0, 1); # check for k[mz]alloc with multiplies that could be kmalloc_array/kcalloc if ($type eq '(' && $c eq ')') { my ($level, @r) = ctx_block_get($linenr, $remain, 1, '{', '}', 0); $herecurr); } my $rawline = $rawlines[$linenr - 1]; my $stat_real = raw_line($linenr, $cond_lines); # Check for any sort of function declaration. my $realline = 0; if (CHK("SPACING", # if LONG_LINE is ignored, the other 2 types are also ignored $line =~ /__lockdep_no_validate__\s*\)/ ) { our $Modifier; } :un)?signed\s+)?short}, foreach (@allowed) { if ($name =~ /[^\w \-]/i) { ##has "must quote" chars } } "$constant_func should be $func\n" . } } elsif ($cur =~ /^($Ident\s*):(? } if ($line =~ /^\+\s*$logFunctions\s*\(\s*(?:(?:KERN_\S+\s*|[^"]*))?($String\s*(? ctx_statement_block($linenr, $remain, $off); $loff = $len; )/o) { $line = $rawline; "\n"; while ($vet =~ /([^[:cntrl:]]*)([[:cntrl:]]|$)/g) { } } ERROR("BAD_SIGN_OFF", my ($possible, $line) = @_; + :\s+$Ident)?\s*$/) { foreach my $word (@words) { s/\bpr_warning\b/pr_warn/; } # check for redundant bracing round if etc $fixed[$fixlinenr] =~ } elsif ($cast =~ /\blong\b/) { while ($line =~ m{\b($multi_mode_perms_string_search)\b}g) { } $herecurr) && "consider using a completion\n" . *)/$1$2/; trim($comma_close); $line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("([^"]+)$/i; # echo "commit $(cut -c 1-12,41-)" __percpu| last; $fix && $prevrawline =~ /^\+/) { if ($lines[0] =~ /^error: short SHA1 $commit is ambiguous\./) { $define_stmt = ""; Making statements based on opinion; back them up with references or personal experience. my @stmt_lines = ($stmt =~ /\n/g); $rawline !~ /^\+[A-Z]:\t\S/) { :static\s+))/$lead/; "; $address = trim($address); "Possible unnecessary $level\n" . This will have a small } $line =~ /^\+\s*__setup/)) { } :[\&\*]\s*)?$Lval)\s*($balanced_parens{0,1})\s*}; Cc: $line =~ /^\+/ && } if ($realfile !~ m@\binclude/uapi/@ && "missing space after $1 definition\n" . elsif ($ctx =~ /$Type$/) { => \$git, $stat =~ /^\+(?:.*? my $extracted_string = get_quoted_string($line, $rawline); while ($line =~ /(?:[^&]&\s*|\*)\(\s*($Ident\s*(? my $underscore_smp_barriers = qr{__smp_(? $line =~ s/^\s*//g; # "Prefer eth_broadcast_addr() over memset()\n" . "\n)"; $herecurr) && # If there were any defects found and not already fixing them } # Statement ends at the ';' or a close '}' at the push(@rawlines, $_); @CodyA.Ray: You must agree though, that the question describes a specific command that will only ever produce a single line of output. last if ($lastpos > 0 && ($curpos - length($omatch) != $lastpos)); my ($string) = @_; # 3) any do () { } # check for multiline function definition with misplaced open brace $id = substr($lines[0], 0, 12); # EXPORT_SYMBOL(something_foo); top_of_kernel_tree($1)) { my $output = `git log --no-color --format='%H %s' -1 $commit 2>&1`; if (defined $1) { __packed2__| foreach my $path (split(/:/, ". $good = rtrim($fix_elements[$n]) . 'q|quiet+' => \$quiet, asm|__asm__| $herecurr); if ($indent % 8) { if ($line =~ /^\+\s*static\s+(?:const\s+)?(?:$attr\s+)?($NonptrTypeWithAttr)\s+(?:$attr\s+)?($Ident(?:\[[^]]*\])? # defined $stat && WARN("IN_ATOMIC", my @lines = split('\n', $text); $res = ''; $emacs = 1; print << "EOM"; my $c = ''; "$here\n$ctx\n$rawlines[$ctx_ln - 1]\n"); I found bash was able to do what I wanted without any other tools. This isn't going to replicate chomp precisely but might help someone. A comman #print "LINE\n"; :if|for|while)\b/) { That's why echo "$(cat /etc/passwd)" works. # if ($line =~ /^.\s*\#\s*if(|n)def/ && ($realfile =~ /\.c$/)) { if (!ctx_has_comment($first_line, $linenr)) { $fixed[$fixlinenr] =~ (? Dual\ MPL/GPL| "return is not a function, parentheses are not required\n" . if (!defined $suppress_ifbraces{$linenr - 1} && } $herecurr) && $r1 = $a2; my ($linenr, $remain, $off) = @_; if ($rawlines[$ln - 1] =~ m@(/\*|\*/)@ && } for my $arg (split(/\s*,\s*/, $ctx)) { # ' *' then it is very likely a comment. # Find out what is on the end of the line after the $herecurr); print "OPV($1)\n" if ($dbg_values > 1); :do|else)\b)/ && $line !~ /^.\s*#/ && $line !~ /\}\s*while\s*/) { } # checks for new __setup's "Avoid multiple line dereference - prefer '$ref'\n" . my $rpt_cleaners = 0; #warn " $line\n"; int" . rev2023.1.17.43168. No unnecessary modifications please.\n"); $line !~ /\bfixes:\s*[0-9a-f]{12,40}/i))) { if ($from ne $to) { "Use of boolean is deprecated, please use bool instead.\n" . 'color=s' => \$color, next if ($lines[$line] =~ /^-/); } } } # Find out how long the conditional actually is. if ($stmt_lines > $stmt_statements) { 528), Microsoft Azure joins Collectives on Stack Overflow. :init\b)}; open(my $camelcase_file, '>', "$camelcase_cache") $f =~ s/#. $type = ($level != 0)? qr{int\s+(?:(? "msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt\n" . :$Lval|$Constant)$/ && # 10 // foo() // !foo // ~foo // -foo // foo->bar // foo.bar->baz if (!top_of_kernel_tree($root)) { $rpt_cleaners = 0; if ( $? )\s*([=;])\s*/"$1" . (? :${mode_perms_search})"; $fix) { ("$test" eq "!=" && "$type" eq "false")) { How do I tell if a file does not exist in Bash? my $line = $_; } my $stat_real; "__aligned(size) is preferred over __attribute__((aligned(size)))\n" . ____cacheline_aligned| my $sub_from = $match; :else|elif))/o) { "\n"; $fix) { } elsif ($line =~ /^\+\+\+\s+(\S+)/) { } # check for space before tabs. } my $spaces_to_tab = " " x $source_indent; # TEST: allow direct testing of the attribute matcher. } else { $line =~ /^\s*\[\\]/)) { $fixed[$fixlinenr] =~ s/^\+([ \t]+)/"\+" . } else { # print "#ifdef in C files should be avoided\n"; if (!$file && $tree && $p1_prefix ne '' && $line_fixed = 1; substr($res, $off, 1, $c); if ($line =~ /$String[A-Z_]/ || $line =~ /[A-Za-z0-9_]$String/) { :initconst\b)}; my $res = ''; my $omatch = $1; } $coff = $off + length($1) - 1; # Check for illegal assignment in if conditional -- and check for trailing $herecurr); $sline =~ /^\+\s+$declaration_macros/ || if ($stat =~ /$test/) { if ($sline =~ /^\+([\t]+)(? sub string_find_replace { Problem: Remove a single trailing newline character if there is one from a string. $herecurr); while ($line =~ /\b$LvalOrFunc\s*(==|\!=)\s*NULL\b/g) { $is_patch = 1; # 2. at the beginning of a line for slice initialisers -- [010] = 5, } print "END($1)\n" if ($dbg_values > 1); }; $fixedline = $line; } my ($stat_next) = ctx_statement_block($line_nr_next, WARN("INCLUDE_LINUX", if ($prev_values eq 'E' && $s =~ /^(.(?:typedef\s*)?(?:(?:$Storage|$Inline)\s*)*\s*$Type\s*(? $herecurr); } :un)?signed\s+)?long| $fix) { } # check for struct spinlock declarations } my ($email_name, $email_address, $comment) = parse_email($email); ); WARN("FUNCTION_ARGUMENTS", *)/) { my $var = $1; if ($dbg_type) { ".EXPERIMENTAL-checkpatch-fixes" } if ($has_flow_statement && !$has_arg_concat) { } elsif ($realcnt && $rawline =~ /^(? if ($show_L && $string =~ /%[\*\d\.\$]*L([diouxX])/) { $realcnt = 0; return $stmt_statements; # check for old HOTPLUG __dev section markings $val .= '\s*\|\s*' if ($val ne ""); Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. our $InitAttributeInit = qr{$InitAttributePrefix(? $remainder =~ /^(else)(? if ($1 =~ /\n/ && $av_preprocessor) { ^.(? => \$check, __iomem| my ($name_len) = length($1); $realline=$1-1; 0[0-7][0-7][2367] sub which { runtime errors. $stmts !~ /^\s*(if|while|for|switch)\b/) { } #print "APW: ALLOWED: chunk-1 block\n"; my $herectx = get_stat_here($linenr, $stmt_cnt, $here); s/^\+[ \t]*/\+$goodtabindent/; __user| } elsif ($s =~ /^.(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?($Ident)\b\s*(?! if (defined $chunks[1]) { $line =~ /\bsscanf\b/) { # check for spinlock_t definitions without a comment. # Remove C99 comments. $rawline =~ /\b59\s+Temple\s+Pl/i || WARN("UNNECESSARY_PARENTHESES", } elsif ($spacing !~ /\s+/) { if ($line =~ /^.\s*sema_init.+,\W?0\W?\)/) { . " . :_[a-z_]+)?$/ && :ifdef|ifndef|if))/o) { $cc !~ /^\\/ && $cc !~ /^;/) { } int\s+(? if (defined $suppress_export{$linenr} && open($f, '>', $newfile) $has_break = 1 if ($fline =~ /\bswitch\b|\b(? while ($fmt =~ /(\%[\*\d\. return @lines; with potential errors corrected to the preferred WARN("JIFFIES_COMPARISON", our $Float = qr{$Float_hex|$Float_dec|$Float_int}; 1 while $leading =~ s@^([\t]*)$spaces_to_tab@$1\t@g; return ""; my $long = 0; $blk .= $rawlines[$line]; $newcomp = "=") { } while ($s =~ /\(($Ident)(? S_IALLUGO | "space prohibited after that open parenthesis '('\n" . $herecurr); } # logging functions like pr_info that end in a string $level = pop(@stack); if (($realfile !~ m@^(? if ($line =~ /^\+/ && $length > $max_line_length) { $herecurr); } $ca =~ / GOOD: \n"); # Handle nested #if/#else. )}; if ($line =~ /\b__FUNCTION__\b/) { if ($linecount > 3) { $herecurr); #print "is_start is_end length\n"; print "PRE_END($1)\n" if ($dbg_values > 1); cat_vet($rawline) . if ($line =~ /\bMODULE_LICENSE\s*\(\s*($String)\s*\)/) { } localtime((stat $file)[9])); ! "externs should be avoided in .c files\n" . $s =~ /^\s*$Ident\s*:/) { my $orig_desc = "commit description"; $realline > 2) { $fixed[$fixlinenr] =~ s/\b$type\b/$kernel_type/; { } } $av_pend_colon = 'C'; # check for semaphores initialized locked $off++; "Unnecessary parentheses around '$match'\n" . $fixedline =~ s/}\s*$/} $trailing/; $msg_type = ""; # warn if is #included and is available and includes if ($first) { my $is_start = 0; # unnecessary space "type (*funcptr )(args)" my ($linenr, $remain, $off) = @_; sub rtrim { return $string; $herecurr) && } if ($line=~/\bswitch\s*\(. __weak __safe| my $suffix = ""; All it takes is the %/. unlink glob ".checkpatch-camelcase. )}; } } # statements after the conditional. if (ERROR("DOS_LINE_ENDINGS", *\*{2,}/[ \t]*$@ && #trailing **/ WARN("MISPLACED_INIT", # "Prefer ether_addr_copy() over memcpy() if the Ethernet addresses are __aligned(2)\n" . } # Check for __inline__ and __inline, prefer inline $pointer = "" if (!defined $pointer); $herecurr) && $rawline =~ /\b675\s+Mass\s+Ave/i || But his greatest passion is to serve aspiring coders through Finxter and help them to boost their skills. my $ln = $linenr + 1; :\?|$)/) { our $zero_initializer = qr{(?:(? last; return ($id, $desc) if ((which("git") eq "") || ! $typeOtherOSTypedefs\b| $a = 'V' if ($elements[$n] ne ''); if ($line =~ /^.\s+(? $lc = $lc + $linenr; $sline =~ /^\+\s+$Ident\s*:\s*\d+\s*[,;]/ || Simpler shown on grabbing input on your script. } elsif ($line =~ /($;[\s$;]*)$/ && my ($stmt) = @_; } if ($show_Z && $string =~ /%[\*\d\.\$]*Z([diouxX])/) { return ($level, $linenr, @chunks); } do| $line =~ /do\{/) { "$here\n$stat_real\n"); my %suppress_ifbraces; # # Ignore comments Consider using octal permissions '$octal'.\n" . $herecurr); if ($setup_docs && $line =~ /^\+/) { $herecurr); } "Please don't use multiple blank lines\n" . # Checks which may be anchored in the context. return $status =~ /obsolete/i; } $herecurr) && *//g; "\n"; )?$Type}; *@@; my $blk = ''; $good .= " "; ERROR("COMPLEX_MACRO", my $s = $1; $prevrawline =~ /^\+[ \t]*\/\*[ \t]*$/ && next; :_ratelimited|_once|)| my $ctx_skip = $realcnt; How can I check if a program exists from a Bash script? $herecurr); *=\s*($zero_initializer)\s*;/) { ($short || $long || $space || $case || ($orig_desc ne $description) || !$hasparens)) { our $InitAttribute = qr{$InitAttributeData|$InitAttributeConst|$InitAttributeInit}; $herecurr) && "space required before that '$op' $at\n" . "Prefer $newfunc over $oldfunc with multiply\n" . ERROR("TEST_NOT_TYPE", $is_start = 1; } if ($^V && $^V ge 5.10.0 && } *)\(\s*$Type\s*\)([ \t]++)((?! } $newfunc = "kcalloc" if ($oldfunc eq "kzalloc"); "break quoted strings at a space character\n" . } $ref =~ s/\s//g; my $declare = $1; my $clean = 'X' x length($1); :\s|{)/ && ($line=~/^.\s+default:/)) { if ($showfile) { #warn "'*' is part of type\n"; # This uses a shortcut match to avoid unnecessary uses of a slow foreach loop ERROR("RETURN_PARENTHESES", :$Member)*}; $av_pend_colon = 'O'; # No spaces for: $typeKernelTypedefs\b $fix) { => \$terse, } else { # check for function declarations without arguments like "int foo()" my $cond_lines = 1 + $#newlines; # then suggest that. our $LvalOrFunc = qr{((? *([\[\(])\s*$/) { WARN("CONSTANT_COMPARISON", ', ' . # Reset possible stack dump if a blank line is found } for (my $count = $linenr; $count <= $lc; $count++) { $name = ""; my $prevline=""; "vendor-prefixes.txt"; # Check for various typo / spelling mistakes my $cnt = statement_rawlines($stat); } $type . my $var = $2; return "" if (!defined($string)); "space required before the open parenthesis '('\n" . if (!$file && !$camelcase_file_seeded) { # check we are in a valid C source file if not then ignore this hunk } my $attr = $1; if ($line =~ /\b(__dev(init|exit)(data|const|))\b/) { $equal = "" if ($4 eq "!="); + struct perf_pmu_alias *a; $fix && $prevline =~ /^\+/ && $line =~ /^\+/) { } $good = $fix_elements[$n] . if ($rawline !~ m@^\+[ \t]*\*/[ \t]*$@ && #trailing */ /(^\+\s*(? 'show-types!' $new_linenr++; } sub get_stat_real { $fixed[$fixlinenr] =~ s/\bDEVICE_ATTR\s*\(\s*$var\s*,\s*\Q$perms\E\s*,\s*NULL\s*,\s*$store\s*\)/DEVICE_ATTR_WO(${var})/; my $in_commit_log = 0; #Scanning lines before patch my ($file) = @_; last; my $line2 = $2; "Using comparison to $otype is error prone\n" . } elsif ($type eq 'E') { } $fix) { if (CHK("COMPARISON_TO_NULL", The script always prints previous lin # requires at least perl version v5.10.0 } elsif ($cur =~ /^($Modifier)\s*/) { if ($show =~ /^${var}_show$/ && $possible =~ s/\s*$Type\s*//g; "recursive locking is bad, do not use this ever.\n" . "memory barrier without comment\n" . if ($pos >= 0) { # defined $stat && sub process { sub fixup_current_range { } # The pathname on a #include may be surrounded by ''. Consider more restrictive permissions.\n" . $off++; Using default one. $fix && $line =~ /^\+/) { my $stashindent=0; my $camelcase_cache = ""; (($realfile =~ /\.dtsi?$/ && $line =~ /^\+\s*compatible\s*=\s*\"/) || :$Ident|\(\s*\*\s*$Ident\s*\))\s*\(\s*([^{]+)\s*\)\s*;/s && $herecurr) && $ctx =~ s/\n*$//; $herecurr); $herecurr); If you need the string stored in the original variable, simply assign the result to the original variable. last; $prevline =~ /^.\s*$/ && $last_blank_line != ($linenr - 1)) { $output =~ s/^\s*//gm; my $msg_level = \&WARN; printf "$P: requires at least perl version %vd\n", $minimum_perl_version; "usage of NR_CPUS is often wrong - consider using cpu_possible(), num_possible_cpus(), for_each_possible_cpu(), etc\n" . # unnecessary space "type (*funcptr)(args)" # WARN("PREFER_ETHER_ADDR_EQUAL", */s) { mechanically convert to the typical style using --fix or --fix-inplace. if (WARN("DEVICE_ATTR_WO", "TEST: is type\n" . my $op = "! my $herevet = "$here\n" . "$attr should be placed after $var\n" . my ($res, $coded); --debug KEY=[0|1] turn on/off debugging of KEY, where KEY is one of $specifier = $1; } elsif ($cur =~ /^(\\\n)/o) { WARN("BLOCK_COMMENT_STYLE", "Avoid line continuations in quoted strings\n" . $n++; # "sizeof()" or "__alignof__()" } $line =~ /^.\s*(DEFINE_MUTEX)\s*\(/) { WARN("SSCANF_TO_KSTRTO", } $suppress_export{$realline_next} = 2; $fix) { ["proc_create(? } else { } else { $herecurr); my $context = $4; $prefix = "$filename:$linenr: "; $lead = rtrim($1); # closing brace should have a space following it when it has anything $res .= $c; $sig_nospace = lc($sig_nospace); push(@typeListFile, $possible); $line_fixed = 1; $bad_specifier = $specifier; # o Ignore proc_create*() uses with a decimal 0 permission as that means WARN("COMMIT_LOG_LONG_LINE", u(? $herecurr); # Comments we are whacking completely including the begin $herecurr) && The dollar sign character will indicate the end of each line: If you want to remove only the last newline, pipe through: sed won't add a \0 to then end of the stream if the delimiter is set to NUL via -z, whereas to create a POSIX text file (defined to end in a \n), it will always output a final \n without -z. "struct $1 should normally be const\n" . $realcnt && $sline =~ /.\s*\S/) { *\{/; # Check the patch for a signoff: [A-Za-z\d_]+:/) and ! if (statement_block_size($block) > 1) { if ($bad_specifier ne "") { $good = $fix_elements[$n] . " } my ($linenr, $remain) = @_; # Find out how long the conditional actually is. my $cnt = statement_rawlines($stat); WARN("PRINTK_WITHOUT_KERN_LEVEL", } word splitting. my $name = ""; } } elsif ($s =~ /^.\s*else\b/s) { Well there are probably many ways and I have seen a few, let us keep it simple and use built in stuff as much as possible. my $pre_ctx = "$1$2"; :\\s*$FuncArg\\s*,\\s*){$arg_pos,$arg_pos}"; die "$P: $filename: diff failed - $!\n"; :[a-z_]+|)for_each[a-z_]+)\s*\(|do\b|else\b)/ && $line !~ /^.\s*\#/) { EOM my $msg_type = "LONG_LINE"; : __initdata) } if (!$in_commit_log && # foo bar; where foo is some local typedef or #define qr{${Ident}_handler}, print "MODIFIER($1)\n" if ($dbg_values > 1); $continuation = 1; $current_comment .= $line . } #print "F: c s remain\n"; ctx_statement_full($linenr, $realcnt, 1); :un)?signed\s+)?long\s+long| our $UTF8 = qr{ } } } "do not set execute permissions for source files\n" . # indentation of previous and current line are the same if ($rawline =~ /\\$/ && $sline =~ tr/"/"/ % 2) { $Storage| } $fixed[$fixlinenr] =~ s/\s+$//; } :SKCIPHER_REQUEST|SHASH_DESC|AHASH_REQUEST)_ON_STACK\s*\( # or if that brace on the next line is for something else How do I get rid of it? $herecurr); $hereptr)) { :$valid_licenses)"$/x) { foreach my $word (sort keys %$hashRef) { $herecurr); my $file = $absolute; $suppress_export{$linenr} = 2; # actual declarations $newindent ne $goodspaceindent) { my $lc = $stat =~ tr@\n@@; ## } WARN("SUSPECT_CODE_INDENT", #Create a search pattern for all these functions to speed up a loop below #warn "STATEMENT\n"; close($FILE); ! sub perms_to_octal { return length(expand_tabs(substr($line, 0, $last_openparen))) + 1; my $line = $_; # file delta changes $fixed[$fixlinenr] =~ s/(.*)\bextern\b\s*(. sub top_of_kernel_tree { ^.LIST_HEAD\(\Q$name\E\)| is all off) $herecurr); if ($line =~ /\bprintk\s*\(\s*KERN_CONT\b|\bpr_cont\s*\(/) { $camelcase_file_seeded = 1; if ($1 < 20) { my @fix_elements = (); } local $/ = undef; my ($linenr, $remain, $outer, $open, $close, $off) = @_; $hereptr)) { $check = 0; } elsif ($cur =~ /^(\? *\bpacked\b/) { my $offset = # start or end of block or continuation of declaration my $goodtabindent = $oldindent . our $Member = qr{->$Ident|\.$Ident|\[[^]]*\]}; } $herectx); # line length limit (with some exclusions) if (!defined $stat); my $res; # check for bad placement of section $InitAttribute (e.g. "Do not use whitespace before $ucfirst_sign_off\n" . foreach my $line (split(/\n/, $lines)) { $output .= "$type:"; :#[ \t]*define|typedef\s+$Type)\s+(\w*(? while ($line =~ m{(\b$NonptrType(\s*(? # a quoted string starts before $max_line_length $stat =~ /^\+(?![^\{]*\{\s*).*\b(\w+)\s*\(. # 3) labels. } $herecurr); $prevrawline !~ /\*\/[ \t]*$/) || #no trailing */ } our $Attribute = qr{ } # check for spaces before a quoted newline ctx_statement_block($linenr, $realcnt, 0) print $f $fixed_line . const| # elsif ($declare =~ /\s{2,}$/) { $f =~ s/^\s+//; sub annotate_reset { # ENOSYS means "bad syscall nr" and nothing else. :|\?|: # sub statement_rawlines { $level++; my $hasdesc = 0; if ($type eq '{' && $c eq '}') { # check indentation of a line with a break; foreach my $path (split(/:/, $ENV{PATH})) { substr($lines[$realline_next - 1], $off_next) =~ /^\s*$/)) { To subscribe to this RSS feed, copy and paste this URL into your RSS reader. } # Track the previous line. # one "Macro argument reuse '$arg' - possible side-effects?\n" . } WARN("EMAIL_SUBJECT", if ($line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("([^"]+)"\)/i) { my ($linenr, $line) = @_; $fixed[$fixlinenr] =~ my @lines = (); To remove one or more trailing whitespace characters from your string use the string.rstrip() method without arguments. fix_delete_line($fixlinenr, $rawline); "Prefixing 0x with decimal output is defective\n" . "Macros with multiple statements should be enclosed in a do - while loop\n" . # check for unnecessary blank lines around braces +{ :bool|tristate|prompt)\s*["']/) { :\w+)?\s*DEFINE_PER_CPU/) { ("$4" eq ";" ? "please write a paragraph that describes the config symbol fully\n" . } $orig_commit = lc($2); push(@av_paren_type, $av_pending); $rawline !~ /^\+[ \t]*\*/) { #no leading * "S_IXOTH" => 0001, possible($1, "B:" . } # We are truly at the end, so shuffle to the next line. while ($line =~ /\b(__(? my $const_structs = ""; } (-f $file)); our $BasicType; $line !~ /^.\s*\s*#\s*if\b. How do you perform decimal multiplications and print the responses out on one line in Bash? WARN("PATCH_PREFIX", my $stashrawline=""; } } elsif ($dstat =~ /;/) { last if ($word =~ m/^#/); qr{long\s+long\s+int\s+(? :\s+$Modifier|\s+const)* return $stmt_lines; (?:(? if (CHK("UNNECESSARY_PARENTHESES", my $sig_nospace = $line; $to |= $mode_permission_string_types{$match}; "DT compatible string \"$compat\" appears un-documented -- check $dt_path\n" . "$cnt_lines lines checked\n"; $is_patch = 1; if ($check) { } our $allowed_asm_includes = qr{(?x: $res =~ s/\Q$match\E/"$;" x length($match)/e; $herecurr); $op eq '&' or $op eq '^' or $op eq '|' or my ($absolute, $herecurr) = @_; our $c90_Keywords = qr{do|for|while|if|else|return|goto|continue|switch|default|case|break}x; } elsif ($line =~ /\bcommit\s+[0-9a-f]{5,}\s*$/i && } elsif ($sum_allowed != $allow && elsif ($opv eq ':C' || $opv eq ':L') { [={]|\\$|$Attribute|__attribute__))/ && Is the same as --fix, but overwrites the input $herectx); # typecasts on min/max could be min_t/max_t } elsif ($stat !~ /(? $hereprev); )}x; } } else { next if ($fline =~ /^\-/); my ($linenr, $remain) = @_; pathname expansion are not performed on } [^\]]*\]/) } } if (WARN("UNNECESSARY_KERN_LEVEL", $herecurr); my $herectx = get_stat_here($linenr, $cnt, $here); + name, field); # conditional. # * goes on variable not on type $hereptr)) { my ($exitcode) = @_; } if ($line =~ m@\*/@) { + zfree(&newalias->desc); } } "Comparisons should place the constant on the right side of the test\n" . return ($statement, $condition, my $fixed_line = $rawline; } my $tmp_stmt = $define_stmt; } if ($line =~ /\[\s/ && $line !~ /\[\s*$/) { # check for initialisation to aggregates open brace on the next line $fix) { my $p; (\S+)$/) { $type = 'N'; if ($name =~ /^(? if (ERROR("SPACING", my $ok = 0; # << and >> may either have or not have spaces both sides fix_delete_line($fixlinenr - 1, $prevrawline); return $line; *)$@/\* $comment \*/@; WARN("CONST_CONST", "space preferred before that '$op' $at\n" . return @r; } $newstore = "${var}_store" if ($store ne "NULL" && $store ne "${var}_store"); We can use Bashs built-in printf command for removing the trailing newlines: $ printf "%s" "$ (< bad.txt)" > tmp $ mv tmp bad.txt $ wc -l bad.txt 0 bad.txt We can see that wc -l my $herectx = $here . LF removing example or: Bash - pass variables from one script to second one. $herecurr); "\n"; :\\\s*)?$@); # is not linear. $herecurr) && "do {} while (0) macros should not be semicolon terminated\n" . } } else { } =>|->|<>||=|!|~| if ($line =~ /\bprintk\s*\(\s*(? $suppress_statement = $line_nr_next; "Comparing jiffies is almost always wrong; prefer time_after, time_before and friends\n" . $herecurr) && *"\s*$/ && $1; :else\b|while\b|\s*$)|$Declare\s*$Ident\s*[;=])/) { our $clean = 1; substr($s, 0, length($c), ''); } $in_commit_log = 1; $msg . )\*@; WARN("SPACING", if (!ctx_has_comment($first_line, $linenr)) { if (! $ctx_skip-- if (!defined $lines[$ctx_ln - 1] || $lines[$ctx_ln - 1] !~ /^-/); "struct spinlock should be spinlock_t\n" . } my $dbg_attr = 0; if (("$test" eq "==" && "$type" eq "true") || $rawline =~ /^\+[A-Z]:/ && __ref| $herecurr); $herecurr); # Should start with a space. if ($line =~ /\b(kfree|usb_free_urb|debugfs_remove(?:_recursive)?|(? if ($type =~ /^(? $spelling_fix{$suspect} = $fix; or die "$P: Can't open $newfile for write\n"; ["debugfs_create_(? qr{(?:(? "Prefer kstrto to single variable sscanf\n" . cat_vet($rawline) . print '-' x length($vname) . } ## "Using comparison to $otype is error prone. }x; ($in_commit_log || $line =~ /^(? if (WARN("ALLOC_WITH_MULTIPLY", "\n"; if ($lines[$ln - 1] =~ "---help---") { my $barriers = qr{ } elsif ($formatted_email =~ /(\S+\@\S+)(. $last_coalesced_string_linenr != $linenr - 1) { *\bEFI_GUID\s*\(/ || $remainder !~ /^else\s+if\b/) { } "char * array declaration might be better as static const\n" . $herectx .= $rl . "open brace '{' following function definitions go on the next line\n" . :un)?signed)}, 'codespell!' my $tested = quotemeta($1); if (!$in_commit_log && $prevline =~ /(? "space required after that '$op' $at\n" . $hereprev) && $herecurr); # void (*store_gdt)(x86_descr_ptr *); my $fixedline = $prevrawline; $level2 = "dbg" if ($level eq "debug"); # check for sizeof(foo)/sizeof(foo[0]) that could be ARRAY_SIZE(foo) } #print "FOO A stat name\n"; )\bmemcmp\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) { $off++; warn "CHECK ($line)\n" if ($dbg_possible > 2); ($edge) = $1; sub trim { } Indefinite article before noun starting with "the". if ($line =~ /(^. my ($where, $prefix) = ($-[1], $1); my $git_range; my $level = 0; :un)?signed)}, } my $sign_off = $2; $curr_values; } trim($fix_elements[$n + 1]); $fixed[$fixlinenr] =~ s/\Q$cast\E$const\b/$newconst$suffix/; if ($line =~ /^\+.*\bstatic\s. :_RATELIMIT|_ONCE|)| our $clean = 0; ctx_statement_full($linenr, $realcnt, $-[0]); if ($line =~ /^[ \t]*(? $herecurr); my $ctx = ''; # avoid cases like "foo + BAR < baz" $av_pending = '_'; } else { } "Use of $flag is deprecated, please use \`$replacement->{$flag} instead.\n" . $found_file = 1; $prevline =~ /\\\s*$/) && $continuation == 0) { :${Misordered}\b) my ($level, $endln, @chunks) = } $msg_level = \&CHK if ($file); if ($rawline =~ /^.*\". my ($level, @r) = ctx_block_get($linenr, $remain, 0, '{', '}', 0); CHK("ARCH_INCLUDE_LINUX", my $indent; if (length($oldindent) ne length($newindent)) { $hereptr)) { "S_IRWXU" => 0700, } elsif ($cur =~ /(^. if ($prevline =~ /^\+\t{$tabs,$tabs}break\b/ || fixup_current_range(\$lines[$range_last_linenr], $delta_offset++, 1); :$barriers)| # check for comparisons of get_jiffies_64() $trailing = trim($trailing); } elsif ($color =~ /^auto$/i) { ")"/ex; my $string = substr($rawline, $-[1], $+[1] - $-[1]); } if ($var !~ /^$Constant$/ && if ($ms_size =~ /^(0x|)0$/i) { if ($sline =~ /^\+\}\s*$/) { } $check) { $fix) { if (ERROR("SPACING", sanitise_line_reset(); WARN("PREFER_ALIGNED", ^.DECLARE_$Ident\(\Q$name\E\)| $line_fixed = 1; [ [ $ (? # check for pointer comparisons to NULL # check for uses of __DATE__, __TIME__, __TIMESTAMP__
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