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kernel-doc: bugfix - multi-line macros 

Prior to this patch the following code breaks:

/**
 * multiline_example - this breaks kernel-doc
 */
 #define multiline_example( \
myparam)

Producing this error:

Error(somefile.h:983): cannot understand prototype: 'multiline_example( \ '

This patch fixes the issue by appending all lines ending in a blackslash
(optionally followed by whitespace), removing the backslash and any
whitespace after it prior to appending (just like the C pre-processor
would).

This fixes a break in kerel-doc introduced by the additions to rbtree.h.

Signed-off-by: Daniel Santos <daniel.santos@pobox.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Daniel Santos 2012-10-04 17:15:05 -07:00 committed by Linus Torvalds
parent 14864655c0
commit 6547842844
1 changed files with 3 additions and 0 deletions
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3
scripts/kernel-doc
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@ -2046,6 +2046,9 @@ sub process_file($) {
$section_counter = 0; $section_counter = 0;
while (<IN>) { while (<IN>) {
while (s/\\\s*$//) {
$_ .= <IN>;
}
if ($state == 0) { if ($state == 0) {
if (/$doc_start/o) { if (/$doc_start/o) {
$state = 1; # next line is always the function name $state = 1; # next line is always the function name