stackcollapse-pmc.pl: fix uninitialized value warn on empty input

.. and apparently reduce memory usage.
sravotto · Aug 18, 2022 · 15ddf29 · 15ddf29
1 parent 810687f
commit 15ddf29
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/stackcollapse-pmc.pl b/stackcollapse-pmc.pl
@@ -59,7 +59,7 @@
 my $prev_count;
 my $prev_indent = -1;
 
-foreach (<>) {
+while (defined($_ = <>)) {
 	if (m/^( *)[0-9.]+%  \[([0-9]+)\]\s*(\S+)/) {
 		my $indent = length($1);
 		if ($indent <= $prev_indent) {