Show warnings if something looks wrong
This makes no difference to the output.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/scripts/generate_errors.pl b/scripts/generate_errors.pl
index ecf552e..0a03f02 100755
--- a/scripts/generate_errors.pl
+++ b/scripts/generate_errors.pl
@@ -21,6 +21,7 @@
# limitations under the License.
use strict;
+use warnings;
my ($include_dir, $data_dir, $error_file);
@@ -84,7 +85,7 @@
# Discard Doxygen comments that are coincidentally present before
# an error definition but not attached to it. This is ad hoc, based
# on what actually matters (or mattered at some point).
- undef $before if $before =~ /\s*\\name\s/s;
+ undef $before if defined($before) && $before =~ /\s*\\name\s/s;
die "Description neither before nor after $name in $file\n"
if !defined($before) && !defined($after);
die "Description both before and after $name in $file\n"
