cppfiles.c (actual_directory): Don't write beyond `dir' when it contains "".

[gcc.git] / gcc / cppfiles.c

diff --git a/gcc/cppfiles.c b/gcc/cppfiles.c
index 2a8f01c38353b1297cac65c27bce1d53d0ad8a8f..2078989a62c41ea6f4171cf0f4e47f67779079f7 100644 (file)
--- a/gcc/cppfiles.c
+++ b/gcc/cppfiles.c
@@ -1041,8 +1041,8 @@ actual_directory (pfile, fname)
     }
   else
     {
-      dir[0] = '.';
-      dir[1] = '\0';
+      free (dir);
+      dir = xstrdup (".");
       dlen = 1;
     }