--- ncrack-0.6.0/ncrack_resume.cc 2017-10-12 08:29:07.000000000 +0200
+++ ncrack-0.6.0/ncrack_resume.cc.new 2019-01-18 20:04:43.014510302 +0100
@@ -527,7 +527,7 @@
j = 0;
buf[j++] = *q;
- while (*q != '\0' && j < sizeof(buf)) {
+ while ((q != NULL) && (j < sizeof(buf))) {
q++;
if (q - filestr >= filelen)
fatal("Corrupted file! Error 5\n");