X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=gnu%2Fargp-help.c;h=ebb53fc61effd8a81e6e6e4642b5a1a629e07a83;hb=d30babc23b4f25be970ada2e63a50220a3672281;hp=e52986992c422f469ad010debaa5b502c47e35d4;hpb=4aa85f09e755fc827cd5ab6225f20c83cd42245d;p=debian%2Ftar

diff --git a/gnu/argp-help.c b/gnu/argp-help.c
index e5298699..ebb53fc6 100644
--- a/gnu/argp-help.c
+++ b/gnu/argp-help.c
@@ -1,7 +1,5 @@
-/* -*- buffer-read-only: t -*- vi: set ro: */
-/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
 /* Hierarchical argument parsing help output
-   Copyright (C) 1995-2005, 2007, 2009-2014 Free Software Foundation, Inc.
+   Copyright (C) 1995-2005, 2007, 2009-2015 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 
@@ -1508,11 +1506,15 @@ argp_doc (const struct argp *argp, const struct argp_state *state,
       if (vt)
         {
           if (post)
-            inp_text = vt + 1;
+            {
+              inp_text = vt + 1;
+              if (! *inp_text)
+                inp_text = 0;
+            }
           else
             {
               inp_text_len = vt - argp->doc;
-              inp_text = __strndup (argp->doc, inp_text_len);
+              inp_text = inp_text_len ? __strndup (argp->doc, inp_text_len) : 0;
             }
         }
       else