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checkpatch: support wide strings

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Allow prefixing typical strings with L for wide strings and u for unicode
strings.

Link: https://lkml.kernel.org/r/20210801170733.1.I3f9784fd3c1007d08ec2e70b151d137687575495@changeid
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2021-09-07 19:59:51 -07:00 committed by Linus Torvalds
parent 7fc5b57132
commit d2af5aa6c0
1 changed files with 4 additions and 3 deletions
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7
scripts/checkpatch.pl
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@ -501,7 +501,7 @@ our $Binary = qr{(?i)0b[01]+$Int_type?};
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{(?:\b[Lu])?"[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 $Float_int = qr{(?i)[0-9]+e-?[0-9]+[fl]?};
@ -6132,7 +6132,8 @@ sub process {
}
# concatenated string without spaces between elements
if ($line =~ /$String[A-Za-z0-9_]/ || $line =~ /[A-Za-z0-9_]$String/) {
if ($line =~ /$String[A-Z_]/ ||
($line =~ /([A-Za-z0-9_]+)$String/ && $1 !~ /^[Lu]$/)) {
if (CHK("CONCATENATED_STRING",
"Concatenated strings should use spaces between elements\n" . $herecurr) &&
$fix) {
@ -6145,7 +6146,7 @@ sub process {
}
# uncoalesced string fragments
if ($line =~ /$String\s*"/) {
if ($line =~ /$String\s*[Lu]?"/) {
if (WARN("STRING_FRAGMENTS",
"Consecutive strings are generally better as a single string\n" . $herecurr) &&
$fix) {