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scripts: checkpatch: False alarm warning for macros.

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Remove false alarm warning of
`braces {} are required around if/while/for/else`
for macro definitions with if/while/for/else.

Signed-off-by: Vignesh Pandian <vignesh@aerlync.com>
This commit is contained in:
Vignesh Pandian 2025-06-23 14:54:30 +05:30 committed by Daniel DeGrasse
parent 67caf3bb09
commit 810536251d
1 changed files with 36 additions and 1 deletions
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37
scripts/checkpatch.pl
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@ -5560,7 +5560,42 @@ sub process {
$block =~ tr/\x1C//d;
#print sprintf '%v02X', $block;
#print "\n";
if ($level == 0 && $block !~ /^\s*\{/ && !$allowed) {
# Detect if the line is part of a macro
my $is_macro = 0;
# Check if the current line is a single-line macro
if ($lines[$linenr] =~ /^\+\s*#\s*define\b/) {
$is_macro = 1;
} else {
# Dynamically check upward for multi-line macro
my $i = $linenr - 1;
while ($i >= 0) {
my $line = $lines[$i];
last unless defined $line;
# Stop at non-added/context lines
last if $line !~ /^[ +]/;
# If this is a macro definition line, we're inside a macro
if ($line =~ /^\+\s*#\s*define\b/) {
$is_macro = 1;
last;
}
# Check if previous line ends with backslash (i.e., continuation)
if ($i > 0) {
my $prev_line = $lines[$i - 1];
last if !defined($prev_line) || $prev_line !~ /\\\s*$/;
} else {
last;
}
$i--;
}
}
if ($level == 0 && $block !~ /^\s*\{/ && !$allowed && !$is_macro) {
my $cnt = statement_rawlines($block);
my $herectx = get_stat_here($linenr, $cnt, $here);