From 8d1e479d1dcf7789be99a6cd0db0b883a90299dc Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Thu, 18 Oct 2018 22:18:42 +0700
Subject: [PATCH] Use bool literals instead of 0/1.

---
 src/hb-common.cc               | 2 +-
 src/hb-coretext.cc             | 4 ++--
 src/hb-ot-layout-gpos-table.hh | 2 +-
 src/hb-ot-tag.cc               | 2 +-
 src/hb-shape-plan.cc           | 8 ++++----
 5 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index 4940e7fb5..ba48dd561 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -45,7 +45,7 @@ _hb_options_init (void)
 {
   hb_options_union_t u;
   u.i = 0;
-  u.opts.initialized = 1;
+  u.opts.initialized = true;
 
   const char *c = getenv ("HB_OPTIONS");
   if (c)
diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index aa3921a3f..9f7745dbf 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -643,7 +643,7 @@ _hb_coretext_shape (hb_shape_plan_t    *shape_plan,
   CFStringRef string_ref = nullptr;
   CTLineRef line = nullptr;
 
-  if (0)
+  if (false)
   {
 resize_and_retry:
     DEBUG_MSG (CORETEXT, buffer, "Buffer resize");
@@ -1054,7 +1054,7 @@ resize_and_retry:
      *
      * https://crbug.com/419769
      */
-    if (0)
+    if (false)
     {
       /* Make sure all runs had the expected direction. */
       bool backward = HB_DIRECTION_IS_BACKWARD (buffer->props.direction);
diff --git a/src/hb-ot-layout-gpos-table.hh b/src/hb-ot-layout-gpos-table.hh
index 4f81b3278..dad6c4ea9 100644
--- a/src/hb-ot-layout-gpos-table.hh
+++ b/src/hb-ot-layout-gpos-table.hh
@@ -1164,7 +1164,7 @@ struct MarkBasePosFormat1
 	   ))
 	break;
       skippy_iter.reject ();
-    } while (1);
+    } while (true);
 
     /* Checking that matched glyph is actually a base glyph by GDEF is too strong; disabled */
     //if (!_hb_glyph_info_is_base_glyph (&buffer->info[skippy_iter.idx])) { return_trace (false); }
diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index 3d4e8b066..4dba9c31a 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -201,7 +201,7 @@ subtag_matches (const char *lang_str,
     if (!ISALNUM (s[strlen (subtag)]))
       return true;
     lang_str = s + strlen (subtag);
-  } while (1);
+  } while (true);
 }
 
 static hb_bool_t
diff --git a/src/hb-shape-plan.cc b/src/hb-shape-plan.cc
index b0cf1e92d..b2289f869 100644
--- a/src/hb-shape-plan.cc
+++ b/src/hb-shape-plan.cc
@@ -64,7 +64,7 @@ hb_shape_plan_plan (hb_shape_plan_t    *shape_plan,
 
   if (likely (!shaper_list)) {
     for (unsigned int i = 0; i < HB_SHAPERS_COUNT; i++)
-      if (0)
+      if (false)
 	;
 #define HB_SHAPER_IMPLEMENT(shaper) \
       else if (shapers[i].func == _hb_##shaper##_shape) \
@@ -73,7 +73,7 @@ hb_shape_plan_plan (hb_shape_plan_t    *shape_plan,
 #undef HB_SHAPER_IMPLEMENT
   } else {
     for (; *shaper_list; shaper_list++)
-      if (0)
+      if (false)
 	;
 #define HB_SHAPER_IMPLEMENT(shaper) \
       else if (0 == strcmp (*shaper_list, #shaper)) \
@@ -346,7 +346,7 @@ hb_shape_plan_execute (hb_shape_plan_t    *shape_plan,
 		 _hb_##shaper##_shape (shape_plan, font, buffer, features, num_features); \
 	} HB_STMT_END
 
-  if (0)
+  if (false)
     ;
 #define HB_SHAPER_IMPLEMENT(shaper) \
   else if (shape_plan->shaper_func == _hb_##shaper##_shape) \
@@ -501,7 +501,7 @@ hb_shape_plan_create_cached2 (hb_face_t                     *face,
     /* Choose shaper.  Adapted from hb_shape_plan_plan().
      * Must choose shaper exactly the same way as that function. */
     for (const char * const *shaper_item = shaper_list; *shaper_item; shaper_item++)
-      if (0)
+      if (false)
 	;
 #define HB_SHAPER_IMPLEMENT(shaper) \
       else if (0 == strcmp (*shaper_item, #shaper) && \