From a1c20fb216d4392ee19b34dcee718d0dffe8873c Mon Sep 17 00:00:00 2001
From: Sergey Poznyakoff <gray@gnu.org.ua>
Date: Sun, 10 Sep 2006 11:49:28 +0000
Subject: [PATCH] (__argp_parse) [!_LIBC]: Make sure program_invocation_name
 and program_invocation_short_name are initialized.

---
 lib/argp-parse.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/lib/argp-parse.c b/lib/argp-parse.c
index 0813afc82..a7de72902 100644
--- a/lib/argp-parse.c
+++ b/lib/argp-parse.c
@@ -877,6 +877,20 @@ __argp_parse (const struct argp *argp, int argc, char **argv, unsigned flags,
      to be parsed (which in some cases isn't actually an error).  */
   int arg_ebadkey = 0;
 
+#ifndef _LIBC
+  if (!(flags & ARGP_PARSE_ARGV0))
+    {
+#ifdef HAVE_DECL_PROGRAM_INVOCATION_NAME
+      if (!program_invocation_name)
+	program_invocation_name = argv[0];
+#endif
+#ifdef HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME
+      if (!program_invocation_short_name)
+	program_invocation_short_name = __argp_base_name (argv[0]);
+#endif
+    }
+#endif
+	
   if (! (flags & ARGP_NO_HELP))
     /* Add our own options.  */
     {
-- 
2.11.0