From 42d02834892c7c7ac165d46c08d55ecfe9e8b643 Mon Sep 17 00:00:00 2001
From: axel <axel@liljencrantz.se>
Date: Mon, 8 Jan 2007 00:06:46 +1000
Subject: [PATCH] Fix bug in IO redirection making is possible for the IO
 redirections to fail in cases where there are multiple pipes and buffers
 using file descriptors above 2.

darcs-hash:20070107140646-ac50b-dee4f380320ef2743635e77401a789c28d45f805.gz
---
 exec.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/exec.c b/exec.c
index e4511394f..2388d9655 100644
--- a/exec.c
+++ b/exec.c
@@ -203,7 +203,7 @@ void free_fd( io_data_t *io, int fd )
 	if( !io )
 		return;
 	
-	if( io->io_mode == IO_PIPE )
+	if( ( io->io_mode == IO_PIPE ) || ( io->io_mode == IO_BUFFER ) )
 	{
 		int i;
 		for( i=0; i<2; i++ )
@@ -214,7 +214,7 @@ void free_fd( io_data_t *io, int fd )
 				{
 					if( (io->param1.pipe_fd[i] = dup(fd)) == -1)
 					{
-						if( errno != EINTR )
+						 if( errno != EINTR )
 						{
 							debug( 1, 
 								   FD_ERROR,
@@ -224,11 +224,14 @@ void free_fd( io_data_t *io, int fd )
 						}
 					}
 					else
+					{
 						break;
+					}
 				}
 			}
 		}
 	}
+	free_fd( io->next, fd );
 }
 
 /**