StdLib/sys/termios: Define cc_t as unsigned

According to the POSIX standard, cc_t, speed_t, and tcflag_t should be
unsigned integer types. Define cc_t as unsigned to match POSIX and fix
an implicit conversion error when building StdLib with XCODE5/CLANG38.

Cc: Daryl McDaniel <edk2-lists@mc2research.org>
Cc: Jaben Carsey <jaben.carsey@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Alex James <theracermaster@gmail.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>

diff --git a/StdLib/Include/sys/termios.h b/StdLib/Include/sys/termios.h
index 75886065b7744c3b1d9f9dcfbf54e394d22e2956..f2d60d002524a129aa0c37d72ff053df42c3ebe6 100644 (file)
--- a/StdLib/Include/sys/termios.h
+++ b/StdLib/Include/sys/termios.h
@@ -152,7 +152,7 @@ typedef enum {
 #define NOFLSH    0x0800    /* don't flush output on signal */\r
 #define FLUSHO    0x1000    /* output being flushed (state) */\r
 \r
-typedef INT8    cc_t;\r
+typedef UINT8   cc_t;\r
 typedef UINT16  tcflag_t;\r
 typedef UINT32  speed_t;\r
 \r