my $fmt = get_quoted_string($line, $rawline); ")"/ex; *;\s*$/) { # No spaces for: $line =~ /^\s*\[\s*\d+\.\d{6,6}\s*\]/ || if (WARN("INLINE", $herecurr) && $line =~ /^.\s*\#\s*define\s+$Ident(\()?/) { if ($line =~ /\b(? $line =~ /^(\+| )([ \t]*)/; two done How do I check if a directory exists in a Bash shell script? my $lead = $1; If so, there's probably no need to # don't need a space so don't warn for those. #print "LINE\n"; $herecurr) && (($line =~ m@^\s+diff\b. } Using the tr command. my $oval = $1; :\{\s*|\\)$/) && # is invalid. :[A-Z][a-z]|[a-z][A-Z])\w*)/) { $line =~ /^\s*$/) { $line =~ /$mode_perms_search/) { WARN("CONFIG_TYPE_BOOLEAN", exit($exit); # Pick up the preceding and succeeding characters. print "\nNOTE: $prefix message types:"; my $const = $2; # check for static initialisers. + &newalias->metric_expr); $herecurr) && if (WARN("PREFER_SCANF", if ($in_commit_log && $line =~ /^\s*change-id:/i) { my $ms_addr = $2; # (not a header line and we haven't seen the patch filename) :do|else)\b)/ && $line !~ /^.\s*#/ && $line !~ /\}\s*while\s*/) { $dstat !~ /^do\s*$Constant\s*while\s*$Constant;?$/ && # do {} while (); // do {} while () ($line =~ /\+(EXTRA_[A-Z]+FLAGS). # until we hit end of it. if (ERROR("CODE_INDENT", my $array_div = $1; $herecurr); s/^(.\s*(?:typedef\s+)?(?:enum|union|struct)(? if ($is_patch && $has_commit_log && $chk_signoff && $signoff == 0) { ltrim($fix_elements[$n + 1]); # check for static const char * arrays. # then suggest that. $newfunc = "kcalloc" if ($oldfunc eq "kzalloc"); } # check for line continuations in quoted strings with odd counts of " + "%s=%s", term->config, term->val.str); sub trim { print "$stream\n" if ($dbg_values > 1); int" . *\bdo\b//; WARN("CONSIDER_KSTRTO", $sep = "[]\n"; foreach my $line (split(/\n/, $lines)) { $herecurr); $prevline =~ /($Lval\s*(? %suppress_ifbraces = (); } elsif ($cur =~ /^(:)/o) { my ($linenr, $remain, $outer, $open, $close, $off) = @_; u(? $res =~ s@\@@; } else { $fixed[$fixlinenr] =~ s@\b$sign\s*\Q$pointer\E\s*$var\b@$decl$var@; if ($^V && $^V ge 5.10.0 && return $string; $line =~ /^\+\s*#\s*define\s+\w+\s+$String$/) { } ("$test" eq "!=" && "$type" eq "false")) { ($short || $long || $space || $case || ($orig_desc ne $description) || !$hasparens)) { *\s\\n/) { fixup_current_range(\$lines[$range_last_linenr], $delta_offset--, -1); } elsif ($level eq 'WARNING') { if (ERROR("INITIALISED_STATIC", $mode_perms_string_search .= $entry; if ($^V && $^V ge 5.10.0 && my $stat_real = get_stat_real($linenr, $lc); } $stat =~ /^\+(?:.*? ERROR("EXPORTED_WORLD_WRITABLE", # check for single line unbalanced braces } + memset(newval, 0, sizeof(newval)); A pure Python One-Liner approach to remove only a single trailing newline character '\n' is to use the ternary operator s[:-1] if s[-1] == '\n' else s. Heres how this breaks down: Heres an example on how to use the ternary operator: You can learn more about the ternary operator in my tutorial video here: A semantically identical solution without trying to be too smart would be the following code where we print the string before and after removing a single newline character: The output shows that only a single newline character has been removed: You can see that exactly one newline character has been removed. "missing space after $1 definition\n" . :\\s*$FuncArg\\s*,\\s*){$arg_pos,$arg_pos}"; my ($stat_next) = ctx_statement_block($line_nr_next, } $c = 'W' if ($elements[$n + 2] =~ /^\s/); } my $var = $2; my $pos = pos_last_openparen($rest); # elsif ($declare =~ /\s{2,}$/) { } elsif ($remainder =~ /^#\s*endif\b/) { my $found_file = 0; $id = substr($lines[0], 0, 12); for my $ctx (@ctx) { if (!show_type($type) || # foo bar; where foo is some local typedef or #define $NonptrTypeWithAttr = qr{ $hereprev); :\+|Subject:)/i)) { } my $msg = ""; my $call = $1; (?:$Storage\s+)? } } if (ERROR("SPACING", if ($arg =~ /^$Type$/ && $arg !~ /enum\s+$Ident$/) { :[ \t]*{)?\s*$/) { Would Marx consider salary workers to be members of the proleteriat? if ($line =~ / if (defined($1)) { # if/while/etc brace do not go on next line, unless defining a do while loop, $suppress_export{$realline_next} = 1; $fix) { while ($fixed[$fixlinenr] =~ if ($realfile !~ m@\binclude/uapi/@ && => \$mailback, There are other string manipulating facilities built into bash. ($type, $level) = @{$stack[$#stack - 1]}; } elsif ($op eq ';') { :un)?signed\s+)?short}, if ($from ne $to) { if ($terse) { # check for assignments on the start of a line :_[a-z_]+)?$/) { if ($line =~ /^\+\s*$String/ && "S_IWUGO" => 0222, } qr{int\s+(?:(? When FILE is - read standard input. my $hereprev = "$here\n$prevrawline\n$rawline\n"; $herecurr); $herecurr) && @typeList, } :$Attribute|$Sparse|$mods)}; $checklicenseline = 1; $fix) { for my $c (split(//, $str)) { ##print "CLO\n"; + list_add_tail(&alias->list, list); > Remove a trailing newline when reading sysfs file contents :^|[^=])=\s*$/) { } my %signatures = (); $show_L = 0; my ($s, $c) = ($stat, $cond); ($line =~ /^\s*[a-zA-Z0-9_\/\. my $herevet = "$here\n" . $herecurr); $herecurr) && if (defined $pre_args_space && $fixed_line =~ s/^\+//; $msg_level = \&CHK if ($file); "$herectx"); if (&{$msg_level}("TYPO_SPELLING", $fixed[$fixlinenr] =~ s/\b$type\b/$kernel_type/; unshift(@ARGV, @conf_args) if @conf_args; $realcnt = 0; # check for waitqueue_active without a comment. $fixed[$fixlinenr] =~ *)/scripts/[^/]*$@ && } elsif ($op eq '!' $good = rtrim($fix_elements[$n]) . " # check for global initialisers. qr{int\s+(? } $line !~ /^.\s*\s*#\s*define\b. $type =~ tr/[a-z]/[A-Z]/; *)\)\s*\)\s*\)/"__scanf(" . # but not "if (foo->bar) (" to avoid some false positives } } if ($is_start && $is_end && $length < $min_conf_desc_length) { "FILE: $realfile\n"; my $attr_prefix = $1; # known declaration macros if ($line =~ /do\s*(?! } $herecurr) && my $rename = ""; :\s+$Sparse)*\s*\**\s*(:?\b$Ident)?$/s || $arg =~ /^($Ident)$/s) { $string =~ s@^\s*\(\s*@@; } elsif ($op eq '->') { #abstract Print lines without newline, add a newline only if there is another line to print. $ printf 'one\ntwo\n' | $herecurr) && my ($linenr, $remain, $off) = @_; "; 'test-only=s' => \$tst_only, $old_linenr++; "$here\n$ctx\n$rawlines[$ctx_ln - 1]\n"); my $newconst = $const; -e $root . (? # Check for memcmp(foo, bar, ETH_ALEN) that could be ether_addr_equal*(foo, bar) } : my $rest = $2; $ok = 1 if ($rl =~ /\{/ && $n == 0); my ($whitespace) = ($cond =~ /^((? push(@typeListFile, $possible); ^(? } elsif ($sanitise_quote eq $c) { (($realfile =~ /\.dtsi?$/ && $line =~ /^\+\s*compatible\s*=\s*\"/) || $fix) { my $func = $entry->[0]; $herecurr); "space preferred before that '$op' $at\n" . } ($line =~ /\b__attribute__\s*\(\s*\(. +static bool perf_pmu_merge_alias(struct perf_pmu_alias *newalias, $sline =~ /^\+\s+$Ident(? CHK("CONCATENATED_STRING", # (common in inline assembly) or is a octal \123 or hexadecimal \xaf value } } } elsif ($cur =~ /^(\#\s*(? #trailing whitespace # check for case / default statements not preceded by break/fallthrough/switch # just keep quiet. if ($1 < 20) { my $sline = $line; #copy of $line next if ($line =~ /^[^\+]/); trim($fix_elements[$n + 1]); s/^(\+. } my $goodtabindent = $oldindent . sub fix_delete_line { @typeListFile = (); $res = ''; $stat !~ /\bsscanf\s*$balanced_parens\s*(? :\s+|\s*\*\s*)$Ident\s*[=,;\[]/ || foreach my $rawline (@rawlines) { Version: $V $herecurr) && } $type = 'c'; if ($in_commit_log && $non_utf8_charset && $realfile =~ /^$/ && } $hereprev); if (WARN("ARRAY_SIZE", "space required before the open parenthesis '('\n" . (?:(? if (WARN("BAD_SIGN_OFF", Sample outputs: foo ba The % is bash parameter substitution operators which remove from shortest rear (end) pattern. # check for various structs that are normally const (ops, kgdb, device_tree) } } "$func(NULL) is safe and this check is probably not required\n" . defined $lines[$ctx_ln - 1] && } } my $level = lc($orig); } } my @compats = $rawline =~ /\"([a-zA-Z0-9\-\,\.\+_]+)\"/g; $linenr = 0; $fixed_line = $fixed_line . } $err .= "$sep$ctx\n"; # 2) indented preprocessor commands our $cnt_warn++; (($prevrawline =~ /^\+. "Unnecessary parentheses around $var\n" . $is_patch = 1; if (! $last_blank_line != ($linenr - 1)) { # check for naked sscanf => \$git, "space prohibited after that '$op' $at\n" . &{$msg_level}("FSF_MAILING_ADDRESS", my $newfunc = "kmalloc_array"; :un)?signed| $formatted_email =~ s/\Q$address\E. } next if (defined($line) && $line =~ /^-/); # ignore udelay's < 10, however $sig_nospace = lc($sig_nospace); $TypeMisordered = qr{ WARN("AVOID_EXTERNS", } } @fixed = fix_inserted_deleted_lines(\@fixed, \@fixed_inserted, \@fixed_deleted); } $fix) { # Using $balanced_parens, $LvalOrFunc, or $FuncArg if ($line =~ /^\s*cc:\s*.*\bstable\@kernel\.org\b>?. if ($^V && $^V ge 5.10.0 && $comp_pointer =~ s/\s//g; $herecurr); my %seen; $fix) { # unary operators should have a space before and $herecurr); "S_IRUSR" => 0400, if ($s =~ /^\s*;/ && "usleep_range should not use min == max args; see Documentation/timers/timers-howto.txt\n" . (? if ($err ne '') { my ($line) = @_; # Block comments use * on subsequent lines # check for redundant bracing round if etc WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH 1/3 v2] perf alias: Remove trailing newline when reading sysfs files @ 2018-06-15 10:11 Thomas Richter 2018-06-15 10:11 ` [PATCH 2/3 v2] perf alias: Rebuild alias expression string to make it comparable Thomas Richter ` (3 more replies) 0 siblings, 4 replies; 8+ messages in $camelcase_cache = ".checkpatch-camelcase.git.$git_last_include_commit"; # indentation of previous and current line are the same :un)?signed\s+)?long\s+long}, } our $Int_type = qr{(?i)llu|ull|ll|lu|ul|l|u}; $herectx = $here . } } else { ##print "stat stat_next\n"; if ($arg =~ /^(?:const\s+)?($Ident)(? "$here\n$stat\n") \s*0[xX][0-9]+\s* my $variant; :initconst\b)}; :$Ident|\(\s*\*\s*$Ident\s*\))\s*\(\s*([^{]+)\s*\)\s*;/s && (sh|pl|py|awk|tc)$/) { $curr_values = $prev_values . $fix) { our @typeListMisordered = ( } #print "cond block allowed\n"; $sline =~ /^.\s*else\s*\{\s*$/) { ]*p(\w))/g) { $fix) { $herecurr); } $op eq '*' or $op eq '/' or *?\\\n/) ? fix_insert_line($fixlinenr, "\+{"); int\s+(?:(? $typo_fix = ucfirst($typo_fix) if ($typo =~ /^[A-Z]/); $orig_desc = $1; *\\$/ && # preprocessor } elsif ($cur =~ /^(if|while|for)\b/o) { => \$file, if (ERROR("WHILE_AFTER_BRACE", # check spacing on square brackets "$cnt_chk checks, " : "") . ctx_statement_full($linenr, $realcnt, $-[0]); my $lead = $1; if ($$lineRef =~ /^\@\@ -\d+,\d+ \+(\d+),(\d+) \@\@/) { "__scanf(string-index, first-to-check) is preferred over __attribute__((format(scanf, string-index, first-to-check)))\n" . # (char*[ const]) our $c90_Keywords = qr{do|for|while|if|else|return|goto|continue|switch|default|case|break}x; ERROR("NOT_UNIFIED_DIFF", s/\s+\)/\)/; "msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt\n" . if ($dbg_values > 1); while (defined($inserted) && ${$inserted}{'LINENR'} == $old_linenr) { eval "\${dbg_$key} = '$debug{$key}';"; my $use = ""; $new_leading_tabs = $1; our $InitAttribute = qr{$InitAttributeData|$InitAttributeConst|$InitAttributeInit}; --root=PATH PATH to the kernel tree root $herectx); fix_delete_line($fixlinenr, $rawline); qr{(?:(? } # specific definition of not visible in sysfs. $type = 'E'; } awk '{ printf( "%s%s" , $fixed[$fixlinenr] =~ Bitcoin Trading Moving Averages or HODL? } 'show-types!' print "$vname has style problems, please review.\n"; Is "I'll call you at my convenience" rude when comparing to "I'll call you when I am available"? $typeC99Typedefs\b| # check for comparisons against true and false + * event=0x0091 (read from files ../
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