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OpenZFS 8794 - cstyle generates warnings with recent perl

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Authored by: Dominik Hassler <hadfl@omniosce.org>
Reviewed by: Andy Fiddaman <andy@omniosce.org>
Reviewed by: Igor Kozhukhov <igor@dilos.org>
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Dan McDonald <danmcd@joyent.com>
Ported-by: Giuseppe Di Natale <dinatale2@llnl.gov>

OpenZFS-issue: https://www.illumos.org/issues/8794
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/578f67364c
Closes #6973
This commit is contained in:
Dominik Hassler 2017-11-09 15:22:07 +01:00 committed by Tony Hutter
parent aebc5df418
commit d27a40d28f
1 changed files with 18 additions and 18 deletions
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36
scripts/cstyle.pl
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@ -383,7 +383,7 @@ line: while (<$filehandle>) {
# is this the beginning or ending of a function? # is this the beginning or ending of a function?
# (not if "struct foo\n{\n") # (not if "struct foo\n{\n")
if (/^{$/ && $prev =~ /\)\s*(const\s*)?(\/\*.*\*\/\s*)?\\?$/) { if (/^\{$/ && $prev =~ /\)\s*(const\s*)?(\/\*.*\*\/\s*)?\\?$/) {
$in_function = 1; $in_function = 1;
$in_declaration = 1; $in_declaration = 1;
$in_function_header = 0; $in_function_header = 0;
@ -391,7 +391,7 @@ line: while (<$filehandle>) {
$prev = $line; $prev = $line;
next line; next line;
} }
if (/^}\s*(\/\*.*\*\/\s*)*$/) { if (/^\}\s*(\/\*.*\*\/\s*)*$/) {
if ($prev =~ /^\s*return\s*;/) { if ($prev =~ /^\s*return\s*;/) {
err_prev("unneeded return at end of function"); err_prev("unneeded return at end of function");
} }
@ -401,7 +401,7 @@ line: while (<$filehandle>) {
next line; next line;
} }
if ($in_function_header && ! /^ (\w|\.)/ ) { if ($in_function_header && ! /^ (\w|\.)/ ) {
if (/^{}$/ # empty functions if (/^\{\}$/ # empty functions
|| /;/ #run function with multiline arguments || /;/ #run function with multiline arguments
|| /#/ #preprocessor commands || /#/ #preprocessor commands
|| /^[^\s\\]*\(.*\)$/ #functions without ; at the end || /^[^\s\\]*\(.*\)$/ #functions without ; at the end
@ -431,7 +431,7 @@ line: while (<$filehandle>) {
$function_header_full_indent = 1; $function_header_full_indent = 1;
} }
} }
if ($in_function_header && /^{$/) { if ($in_function_header && /^\{$/) {
$in_function_header = 0; $in_function_header = 0;
$function_header_full_indent = 0; $function_header_full_indent = 0;
$in_function = 1; $in_function = 1;
@ -440,7 +440,7 @@ line: while (<$filehandle>) {
$in_function_header = 0; $in_function_header = 0;
$function_header_full_indent = 0; $function_header_full_indent = 0;
} }
if ($in_function_header && /{$/ ) { if ($in_function_header && /\{$/ ) {
if ($picky) { if ($picky) {
err("opening brace on same line as function header"); err("opening brace on same line as function header");
} }
@ -670,14 +670,14 @@ line: while (<$filehandle>) {
if (/\S\{/ && !/\{\{/) { if (/\S\{/ && !/\{\{/) {
err("missing space before left brace"); err("missing space before left brace");
} }
if ($in_function && /^\s+{/ && if ($in_function && /^\s+\{/ &&
($prev =~ /\)\s*$/ || $prev =~ /\bstruct\s+\w+$/)) { ($prev =~ /\)\s*$/ || $prev =~ /\bstruct\s+\w+$/)) {
err("left brace starting a line"); err("left brace starting a line");
} }
if (/}(else|while)/) { if (/\}(else|while)/) {
err("missing space after right brace"); err("missing space after right brace");
} }
if (/}\s\s+(else|while)/) { if (/\}\s\s+(else|while)/) {
err("extra space after right brace"); err("extra space after right brace");
} }
if (/\b_VOID\b|\bVOID\b|\bSTATIC\b/) { if (/\b_VOID\b|\bVOID\b|\bSTATIC\b/) {
@ -730,18 +730,18 @@ line: while (<$filehandle>) {
if ($heuristic) { if ($heuristic) {
# cannot check this everywhere due to "struct {\n...\n} foo;" # cannot check this everywhere due to "struct {\n...\n} foo;"
if ($in_function && !$in_declaration && if ($in_function && !$in_declaration &&
/}./ && !/}\s+=/ && !/{.*}[;,]$/ && !/}(\s|)*$/ && /\}./ && !/\}\s+=/ && !/\{.*\}[;,]$/ && !/\}(\s|)*$/ &&
!/} (else|while)/ && !/}}/) { !/\} (else|while)/ && !/\}\}/) {
err("possible bad text following right brace"); err("possible bad text following right brace");
} }
# cannot check this because sub-blocks in # cannot check this because sub-blocks in
# the middle of code are ok # the middle of code are ok
if ($in_function && /^\s+{/) { if ($in_function && /^\s+\{/) {
err("possible left brace starting a line"); err("possible left brace starting a line");
} }
} }
if (/^\s*else\W/) { if (/^\s*else\W/) {
if ($prev =~ /^\s*}$/) { if ($prev =~ /^\s*\}$/) {
err_prefix($prev, err_prefix($prev,
"else and right brace should be on same line"); "else and right brace should be on same line");
} }
@ -827,8 +827,8 @@ process_indent($)
# skip over enumerations, array definitions, initializers, etc. # skip over enumerations, array definitions, initializers, etc.
if ($cont_off <= 0 && !/^\s*$special/ && if ($cont_off <= 0 && !/^\s*$special/ &&
(/(?:(?:\b(?:enum|struct|union)\s*[^\{]*)|(?:\s+=\s*)){/ || (/(?:(?:\b(?:enum|struct|union)\s*[^\{]*)|(?:\s+=\s*))\{/ ||
(/^\s*{/ && $prev =~ /=\s*(?:\/\*.*\*\/\s*)*$/))) { (/^\s*\{/ && $prev =~ /=\s*(?:\/\*.*\*\/\s*)*$/))) {
$cont_in = 0; $cont_in = 0;
$cont_off = tr/{/{/ - tr/}/}/; $cont_off = tr/{/{/ - tr/}/}/;
return; return;
@ -851,14 +851,14 @@ process_indent($)
return if (/^\s*\}?$/); return if (/^\s*\}?$/);
return if (/^\s*\}?\s*else\s*\{?$/); return if (/^\s*\}?\s*else\s*\{?$/);
return if (/^\s*do\s*\{?$/); return if (/^\s*do\s*\{?$/);
return if (/{$/); return if (/\{$/);
return if (/}[,;]?$/); return if (/\}[,;]?$/);
# Allow macros on their own lines # Allow macros on their own lines
return if (/^\s*[A-Z_][A-Z_0-9]*$/); return if (/^\s*[A-Z_][A-Z_0-9]*$/);
# cases we don't deal with, generally non-kosher # cases we don't deal with, generally non-kosher
if (/{/) { if (/\{/) {
err("stuff after {"); err("stuff after {");
return; return;
} }
@ -927,7 +927,7 @@ process_indent($)
# #
next if (@cont_paren != 0); next if (@cont_paren != 0);
if ($cont_special) { if ($cont_special) {
if ($rest =~ /^\s*{?$/) { if ($rest =~ /^\s*\{?$/) {
$cont_in = 0; $cont_in = 0;
last; last;
} }