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Message-ID: <640b26f4-a6fa-ffbc-c866-ea03de4f79a5@infradead.org>
Date: Wed, 17 Oct 2018 21:07:27 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>,
Jonathan Corbet <corbet@....net>
Cc: Kees Cook <keescook@...omium.org>,
Jani Nikula <jani.nikula@...ux.intel.com>
Subject: [PATCH] kernel-doc: fix declaration type determination
From: Randy Dunlap <rdunlap@...radead.org>
Make declaration type determination more robust.
When scripts/kernel-doc is deciding if some kernel-doc notation
contains an enum, a struct, a union, a typedef, or a function,
it does a pattern match on the beginning of the string, looking
for a match with one of "struct", "union", "enum", or "typedef",
and otherwise defaults to a function declaration type.
However, if a function or a function-like macro has a name that
begins with "struct" (e.g., struct_size()), then kernel-doc
incorrectly decides that this is a struct declaration.
Fix this by looking for the declaration type keywords having an
ending word boundary (\b), so that "struct_size" will not match
a struct declaration.
I compared lots of html before/after output from core-api, driver-api,
and networking. There were no differences in any of the files that
I checked.
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Tested-by: Kees Cook <keescook@...omium.org>
Cc: Jani Nikula <jani.nikula@...ux.intel.com>
Cc: Jonathan Corbet <corbet@....net>
Cc: linux-doc@...r.kernel.org
---
scripts/kernel-doc | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- lnx-419-rc8.orig/scripts/kernel-doc
+++ lnx-419-rc8/scripts/kernel-doc
@@ -1904,13 +1904,13 @@ sub process_name($$) {
++$warnings;
}
- if ($identifier =~ m/^struct/) {
+ if ($identifier =~ m/^struct\b/) {
$decl_type = 'struct';
- } elsif ($identifier =~ m/^union/) {
+ } elsif ($identifier =~ m/^union\b/) {
$decl_type = 'union';
- } elsif ($identifier =~ m/^enum/) {
+ } elsif ($identifier =~ m/^enum\b/) {
$decl_type = 'enum';
- } elsif ($identifier =~ m/^typedef/) {
+ } elsif ($identifier =~ m/^typedef\b/) {
$decl_type = 'typedef';
} else {
$decl_type = 'function';
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