1 files changed, 6 insertions, 8 deletions
diff --git a/ext/Cwd/Cwd.xs b/ext/Cwd/Cwd.xs
index 303ef70a02..a82404f156 100644
--- a/ext/Cwd/Cwd.xs
+++ b/ext/Cwd/Cwd.xs
@@ -226,22 +226,20 @@ PPCODE:
 {
     dXSTARG;
     char *path;
-    STRLEN len;
     char buf[MAXPATHLEN];
 
-    if (pathsv)
-      path = SvPV(pathsv, len);
-    else {
-        path = ".";
-        len  = 1;
-    }
+    path = pathsv ? SvPV_nolen(pathsv) : ".";
 
     if (bsd_realpath(path, buf)) {
         sv_setpvn(TARG, buf, strlen(buf));
         SvPOK_only(TARG);
+	SvTAINTED_on(TARG);
     }
     else
-      sv_setsv(TARG, &PL_sv_undef);
+        sv_setsv(TARG, &PL_sv_undef);
 
     XSprePUSH; PUSHTARG;
+#ifndef INCOMPLETE_TAINTS
+    SvTAINTED_on(TARG);
+#endif
 }