USB host support update

USB host support update

[Bart Veer]

Eliminate a warning and sort out builds on current Linux systems.

Bart

2008-08-13  Bart Veer  <bartv@ecoscentric.com>

	* host/usbhost.c: insist on the GNU version of strerror_r().
	Use the right header file for current Linux systems.
	* host/usbchmod.c: avoid compiler warning.

Index: host/usbchmod.c
===================================================================
RCS file: /cvs/ecos/ecos/packages/io/usb/slave/current/host/usbchmod.c,v
retrieving revision 1.2
diff -u -p -r1.2 usbchmod.c
--- host/usbchmod.c	7 May 2006 19:50:35 -0000	1.2
+++ host/usbchmod.c	13 Aug 2008 21:55:29 -0000
@@ -115,7 +115,8 @@ int
 main(int argc, char** argv)
 {
     int         bus, dev;
-    int         actual_bus, actual_dev;
+    int         actual_bus  = 0;
+    int         actual_dev  = 0;
     char        devname[_POSIX_PATH_MAX];
     long        strtol_tmp1;
     char*       strtol_tmp2;
Index: host/usbhost.c
===================================================================
RCS file: /cvs/ecos/ecos/packages/io/usb/slave/current/host/usbhost.c,v
retrieving revision 1.4
diff -u -p -r1.4 usbhost.c
--- host/usbhost.c	7 May 2006 19:50:35 -0000	1.4
+++ host/usbhost.c	13 Aug 2008 21:55:44 -0000
@@ -67,6 +67,8 @@
 /*}}}*/
 /*{{{  #include's                                               */
 
+// To get the desired version of strerror_r()
+#define _GNU_SOURCE 1
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -84,7 +86,7 @@
 // Avoid compatibility problems with Tcl 8.4 vs. earlier
 #define USE_NON_CONST
 #include <tcl.h>
-#include <linux/usb.h>
+#include <linux/usb/ch9.h>
 #include <linux/usbdevice_fs.h>
 #include "../tests/protocol.h"
 #include "config.h"