From: Spencer Oliver <spen@spen-soft.co.uk>
Date: Wed, 9 Apr 2014 14:08:30 +0000 (+0100)
Subject: usb_blaster: fix warning: array subscript has type ‘char’
X-Git-Tag: v0.8.0-rc2~4
X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=commitdiff_plain;h=31496c2bedd367ea4282328da42c997c85d67c2e

usb_blaster: fix warning: array subscript has type ‘char’

caught by clang 3.4 running on cygwin.

Change-Id: I59f652337334e557fb50374f5270ba9c30392b6e
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/2100
Reviewed-by: Jörg Wunsch <openocd@uriah.heep.sax.de>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Tested-by: jenkins
---

diff --git a/src/jtag/drivers/usb_blaster/usb_blaster.c b/src/jtag/drivers/usb_blaster/usb_blaster.c
index 5335ce4e9e..d64a7ea827 100644
--- a/src/jtag/drivers/usb_blaster/usb_blaster.c
+++ b/src/jtag/drivers/usb_blaster/usb_blaster.c
@@ -952,7 +952,7 @@ COMMAND_HANDLER(ublast_handle_pin_command)
 
 		if (strlen(pin_value) > 1)
 			val = '?';
-		switch (tolower(val)) {
+		switch (tolower((unsigned char)val)) {
 		case '0':
 			*steer = FIXED_0;
 			break;