Index: head/lib/libc/tests/resolv/resolv_test.c
===================================================================
--- head/lib/libc/tests/resolv/resolv_test.c
+++ head/lib/libc/tests/resolv/resolv_test.c
@@ -76,15 +76,15 @@
 	if ((fp = fopen(fname, "r")) == NULL)
 	ATF_REQUIRE(fp != NULL);
 	while ((line = fgetln(fp, &len)) != NULL) {
-		char c = line[len];
+		char c = line[len - 1];
 		char *ptr;
-		line[len] = '\0';
+		line[len - 1] = '\0';
 		for (ptr = strtok(line, WS); ptr; ptr = strtok(NULL, WS)) {
 			if (ptr == '\0' || ptr[0] == '#')
 				continue;
 			sl_add(hosts, strdup(ptr));
 		}
-		line[len] = c;
+		line[len - 1] = c;
 	}
 
 	(void)fclose(fp);