===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/less/optfunc.c,v
retrieving revision 1.16
retrieving revision 1.17
diff -u -r1.16 -r1.17
--- src/usr.bin/less/optfunc.c	2016/09/17 15:06:41	1.16
+++ src/usr.bin/less/optfunc.c	2018/03/17 13:29:12	1.17
@@ -71,7 +71,7 @@
 	}
 	switch (type) {
 	case INIT:
-		namelogfile = s;
+		namelogfile = estrdup(s);
 		break;
 	case TOGGLE:
 		if (ch_getflags() & CH_CANSEEK) {
@@ -83,6 +83,7 @@
 			return;
 		}
 		s = skipsp(s);
+		free(namelogfile);
 		namelogfile = lglob(s);
 		use_logfile(namelogfile);
 		sync_logfile();