checkpatch: Support wide strings
Allow prefixing typical strings with L for wide strings
Patch originally by Joe Perches
https://lkml.org/lkml/2017/10/17/1117
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 4142f5c..e450826 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -392,7 +392,7 @@
our $Hex = qr{(?i)0x[0-9a-f]+$Int_type?};
our $Int = qr{[0-9]+$Int_type?};
our $Octal = qr{0[0-7]+$Int_type?};
-our $String = qr{"[X\t]*"};
+our $String = qr{(?:\bL)?"[X\t]*"};
our $Float_hex = qr{(?i)0x[0-9a-f]+p-?[0-9]+[fl]?};
our $Float_dec = qr{(?i)(?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]?};
our $Float_int = qr{(?i)[0-9]+e-?[0-9]+[fl]?};
@@ -5254,13 +5254,14 @@
}
# concatenated string without spaces between elements
- if ($line =~ /$String[A-Z_]/ || $line =~ /[A-Za-z0-9_]$String/) {
+ if ($line =~ /$String[A-Z_]/ ||
+ ($line =~ /([A-Za-z0-9_]+)$String/ && $1 !~ /^L$/)) {
CHK("CONCATENATED_STRING",
"Concatenated strings should use spaces between elements\n" . $herecurr);
}
# uncoalesced string fragments
- if ($line =~ /$String\s*"/) {
+ if ($line =~ /$String\s*L?"/) {
WARN("STRING_FRAGMENTS",
"Consecutive strings are generally better as a single string\n" . $herecurr);
}