From 11fb16cb849285a178d9e80991b1d60a960326ee Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 17 Oct 2013 20:57:57 +0200
Subject: [PATCH] Use unsigned enums for mask types

---
 src/hb-buffer.h             | 16 ++++++++--------
 src/hb-ot-layout-private.hh |  8 ++++----
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 87c4ce58e..3086851b0 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -172,10 +172,10 @@ hb_buffer_guess_segment_properties (hb_buffer_t *buffer);
 
 
 typedef enum { /*< flags >*/
-  HB_BUFFER_FLAG_DEFAULT			= 0x00000000,
-  HB_BUFFER_FLAG_BOT				= 0x00000001, /* Beginning-of-text */
-  HB_BUFFER_FLAG_EOT				= 0x00000002, /* End-of-text */
-  HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES	= 0x00000004
+  HB_BUFFER_FLAG_DEFAULT			= 0x00000000u,
+  HB_BUFFER_FLAG_BOT				= 0x00000001u, /* Beginning-of-text */
+  HB_BUFFER_FLAG_EOT				= 0x00000002u, /* End-of-text */
+  HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES	= 0x00000004u
 } hb_buffer_flags_t;
 
 void
@@ -275,10 +275,10 @@ hb_buffer_normalize_glyphs (hb_buffer_t *buffer);
  */
 
 typedef enum { /*< flags >*/
-  HB_BUFFER_SERIALIZE_FLAG_DEFAULT		= 0x00000000,
-  HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS		= 0x00000001,
-  HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS		= 0x00000002,
-  HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES	= 0x00000004
+  HB_BUFFER_SERIALIZE_FLAG_DEFAULT		= 0x00000000u,
+  HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS		= 0x00000001u,
+  HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS		= 0x00000002u,
+  HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES	= 0x00000004u
 } hb_buffer_serialize_flags_t;
 
 typedef enum {
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 92d7bdc0a..9a4d6d8b9 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -49,10 +49,10 @@
 
 
 enum {
-  MASK0_ZWJ  = 0x20,
-  MASK0_ZWNJ = 0x40,
-  MASK0_IGNORABLE = 0x80,
-  MASK0_GEN_CAT = 0x1F
+  MASK0_ZWJ       = 0x20u,
+  MASK0_ZWNJ      = 0x40u,
+  MASK0_IGNORABLE = 0x80u,
+  MASK0_GEN_CAT   = 0x1Fu
 };
 
 inline void