Update to bash-4.1

1 files changed, 19 insertions, 14 deletions

diff --git a/eval.c b/eval.c
index 293d177..b6986f7 100644
--- a/eval.c
+++ b/eval.c
@@ -1,22 +1,22 @@
 /* eval.c -- reading and evaluating commands. */
 
-/* Copyright (C) 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2009 Free Software Foundation, Inc.
 
    This file is part of GNU Bash, the Bourne Again SHell.
 
-   Bash is free software; you can redistribute it and/or modify it
-   under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   Bash is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
 
-   Bash is distributed in the hope that it will be useful, but WITHOUT
-   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
-   License for more details.
+   Bash is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with Bash; see the file COPYING.  If not, write to the Free
-   Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
 
 #include "config.h"
 
@@ -71,9 +71,10 @@ reader_loop ()
   int our_indirection_level;
   COMMAND * volatile current_command;
 
-  current_command = (COMMAND *)NULL;
   USE_VAR(current_command);
 
+  current_command = (COMMAND *)NULL;
+
   our_indirection_level = ++indirection_level;
 
   while (EOF_Reached == 0)
@@ -106,7 +107,11 @@ reader_loop ()
 	      goto exec_done;
 
 	    case DISCARD:
-	      last_command_exit_value = 1;
+	      /* Make sure the exit status is reset to a non-zero value, but
+		 leave existing non-zero values (e.g., > 128 on signal)
+		 alone. */
+	      if (last_command_exit_value == 0)
+		last_command_exit_value = EXECUTION_FAILURE;
 	      if (subshell_environment)
 		{
 		  current_command = (COMMAND *)NULL;
@@ -150,7 +155,6 @@ reader_loop ()
 
 	      executing = 1;
 	      stdin_redir = 0;
-
 	      execute_command (current_command);
 
 	    exec_done:
@@ -181,6 +185,7 @@ alrm_catcher(i)
      int i;
 {
   printf (_("\007timed out waiting for input: auto-logout\n"));
+  fflush (stdout);
   bash_logout ();	/* run ~/.bash_logout if this is a login shell */
   jump_to_top_level (EXITPROG);
   SIGRETURN (0);