From http://www.jwz.org/xscreensaver/xscreensaver-5.29.tar.gz

[xscreensaver] / driver / subprocs.c

diff --git a/driver/subprocs.c b/driver/subprocs.c
index 2a8f163ec6522da4bde3bb3e5e72d25ae5c611f0..19697241d947073be525043fb592cd77adbfb613 100644 (file)
--- a/driver/subprocs.c
+++ b/driver/subprocs.c
@@ -1,5 +1,5 @@
 /* subprocs.c --- choosing, spawning, and killing screenhacks.
- * xscreensaver, Copyright (c) 1991-2012 Jamie Zawinski <jwz@jwz.org>
+ * xscreensaver, Copyright (c) 1991-2014 Jamie Zawinski <jwz@jwz.org>
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
@@ -1101,7 +1101,9 @@ hack_environment (saver_info *si)
   if (def_path && *def_path)
     {
       const char *opath = getenv("PATH");
-      char *npath = (char *) malloc(strlen(def_path) + strlen(opath) + 20);
+      char *npath;
+      if (! opath) opath = "/bin:/usr/bin";  /* WTF */
+      npath = (char *) malloc(strlen(def_path) + strlen(opath) + 20);
       strcpy (npath, "PATH=");
       strcat (npath, def_path);
       strcat (npath, ":");