% perl -e 'print "A"x10' | ./gets2 
warning: this program uses gets(), which is unsafe.
AAAAAAAAAA
AAAAAAAAAA
AAAAAAAAAA
AAAAAAAAAA
AAAAAAAAAA
AAAAAAAAAA
AAAAAAAAAA
AAAAAAAAAA
AAAAAAAAAA
AAAAAAAAAA
AAAAAAAAAA

% perl -e 'print "A"x10' | ./gets2 | wc
warning: this program uses gets(), which is unsafe.
      11      11     121

% perl -e 'print "A"x11' | ./gets2 | wc
warning: this program uses gets(), which is unsafe.
      11      11     132

% perl -e 'print "A"x12' | ./gets2 | wc
warning: this program uses gets(), which is unsafe.
       1       1      13

% perl -e 'print "A"x13' | ./gets2 | wc
warning: this program uses gets(), which is unsafe.
      66      66     924

% perl -e 'print "A"x14' | ./gets2 | wc
warning: this program uses gets(), which is unsafe.
16706   16706  250590

% perl -e 'print "A"x15' | ./gets2 | wc
warning: this program uses gets(), which is unsafe.
 4276546 4276546 68424736