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authorDr. David von Oheimb <dev@ddvo.net>2024-07-06 17:55:25 +0200
committerTomas Mraz <tomas@openssl.org>2024-07-08 18:45:18 +0200
commitf35c0894130e34ff46a429f4373c14ca98437405 (patch)
treea8366aef0e21bca49a968067b13695cd6d72b168
parentAdd (void) cast to result of ossl_quic_rxfc_on_retire() (diff)
downloadopenssl-f35c0894130e34ff46a429f4373c14ca98437405.tar.xz
openssl-f35c0894130e34ff46a429f4373c14ca98437405.zip
check_format.pl: fix detection of 'if' with single stmt in braces without 'else'
Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Neil Horman <nhorman@openssl.org> (Merged from https://github.com/openssl/openssl/pull/24805)
-rw-r--r--util/check-format-test-negatives.c3
-rwxr-xr-xutil/check-format.pl11
2 files changed, 8 insertions, 6 deletions
diff --git a/util/check-format-test-negatives.c b/util/check-format-test-negatives.c
index 8b3b75db3e..3bbe0d46b6 100644
--- a/util/check-format-test-negatives.c
+++ b/util/check-format-test-negatives.c
@@ -335,9 +335,8 @@ size_t UTIL_url_encode(const char *source,
int f()
{
c;
- if (1) {
+ if (1)
c;
- }
c;
if (1)
if (2)
diff --git a/util/check-format.pl b/util/check-format.pl
index e1a91bcc58..04dde14c9d 100755
--- a/util/check-format.pl
+++ b/util/check-format.pl
@@ -167,7 +167,7 @@ my $local_offset; # current extra indent due to label, switch case/defa
my $line_body_start; # number of line where last function body started, or 0
my $line_function_start; # number of line where last function definition started, used for $line_body_start
my $last_function_header; # header containing name of last function defined, used if $line_body_start != 0
-my $line_opening_brace; # number of previous line with opening brace after do/while/for, optionally for if/else
+my $line_opening_brace; # number of previous line with opening brace after if/do/while/for, optionally for 'else'
my $keyword_opening_brace; # name of previous keyword, used if $line_opening_brace != 0
my $block_indent; # currently required normal indentation at block/statement level
@@ -972,9 +972,12 @@ while (<>) { # loop over all lines of all input files
# check for code block containing a single line/statement
if ($line_before2 > 0 && !$outermost_level && # within function body
$in_typedecl == 0 && @nested_indents == 0 && # neither within type declaration nor inside stmt/expr
- m/^[\s@]*\}/) { # leading closing brace '}', any preceding blinded comment must not be matched
+ m/^[\s@]*\}\s*(\w*)/) { # leading closing brace '}', any preceding blinded comment must not be matched
# TODO extend detection from single-line to potentially multi-line statement
+ my $next_word = $1;
if ($line_opening_brace > 0 &&
+ ($keyword_opening_brace ne "if" ||
+ $extended_1_stmt || $next_word ne "else") &&
($line_opening_brace == $line_before2 ||
$line_opening_brace == $line_before)
&& $contents_before =~ m/;/) { # there is at least one terminator ';', so there is some stmt
@@ -1132,9 +1135,9 @@ while (<>) { # loop over all lines of all input files
$line_body_start = $contents =~ m/LONG BODY/ ? 0 : $line if $line_function_start != 0;
}
} else {
- $line_opening_brace = $line if $keyword_opening_brace =~ m/do|while|for/;
+ $line_opening_brace = $line if $keyword_opening_brace =~ m/if|do|while|for/;
# using, not assigning, $keyword_opening_brace here because it could be on an earlier line
- $line_opening_brace = $line if $keyword_opening_brace =~ m/if|else/ && $extended_1_stmt &&
+ $line_opening_brace = $line if $keyword_opening_brace eq "else" && $extended_1_stmt &&
# TODO prevent false positives for if/else where braces around single-statement branches
# should be avoided but only if all branches have just single statements
# The following helps detecting the exception when handling multiple 'if ... else' branches: