# HG changeset patch
# User Sergey Poznyakoff <gray@gnu.org.ua>
# Date 1107386816 0
# Node ID df0a8c05ca5811a33347569ef5ea6aee622f245c
# Parent  1b5ce9ca3c597d20e78bd337d7cdb3242fc1fc58
(__argp_help): Create a fake struct argp_state and
pass it to _help, otherwise the latter coredumps trying to
dereference state.root_argp.

diff --git a/lib/argp-help.c b/lib/argp-help.c
--- a/lib/argp-help.c
+++ b/lib/argp-help.c
@@ -1669,7 +1669,10 @@
 void __argp_help (const struct argp *argp, FILE *stream,
 		  unsigned flags, char *name)
 {
-  _help (argp, 0, stream, flags, name);
+  struct argp_state state;
+  memset (&state, 0, sizeof state);
+  state.root_argp = argp;
+  _help (argp, &state, stream, flags, name);
 }
 #ifdef weak_alias
 weak_alias (__argp_help, argp_help)