Fix more unused-var warnings

src/hb-ot-shape-complex-arabic.cc

@@ -165,7 +165,8 @@ static const struct arabic_state_table_entry {
 
 
 void
-_hb_ot_shape_complex_collect_features_arabic (hb_ot_map_builder_t *map, const hb_segment_properties_t  *props)
+_hb_ot_shape_complex_collect_features_arabic (hb_ot_map_builder_t *map,
+					      const hb_segment_properties_t *props)
 {
   /* For Language forms (in ArabicOT speak), we do the iso/fina/medi/init together,
    * then rlig and calt each in their own stage.  This makes IranNastaliq's ALLAH
@@ -240,7 +241,9 @@ arabic_fallback_shape (hb_font_t *font, hb_buffer_t *buffer)
 }
 
 void
-_hb_ot_shape_complex_setup_masks_arabic (hb_ot_map_t *map, hb_buffer_t *buffer, hb_font_t *font)
+_hb_ot_shape_complex_setup_masks_arabic (hb_ot_map_t *map,
+					 hb_buffer_t *buffer,
+					 hb_font_t *font)
 {
   unsigned int count = buffer->len;
   unsigned int prev = 0, state = 0;

src/hb-ot-shape-complex-indic.cc

@@ -153,7 +153,8 @@ final_reordering (const hb_ot_map_t *map,
 		  void *user_data HB_UNUSED);
 
 void
-_hb_ot_shape_complex_collect_features_indic (hb_ot_map_builder_t *map, const hb_segment_properties_t  *props)
+_hb_ot_shape_complex_collect_features_indic (hb_ot_map_builder_t *map,
+					     const hb_segment_properties_t *props HB_UNUSED)
 {
   map->add_bool_feature (HB_TAG('l','o','c','l'));
   /* The Indic specs do not require ccmp, but we apply it here since if
@@ -185,7 +186,9 @@ _hb_ot_shape_complex_normalization_preference_indic (void)
 
 
 void
-_hb_ot_shape_complex_setup_masks_indic (hb_ot_map_t *map, hb_buffer_t *buffer, hb_font_t *font)
+_hb_ot_shape_complex_setup_masks_indic (hb_ot_map_t *map HB_UNUSED,
+					hb_buffer_t *buffer,
+					hb_font_t *font)
 {
   HB_BUFFER_ALLOCATE_VAR (buffer, indic_category);
   HB_BUFFER_ALLOCATE_VAR (buffer, indic_position);
@@ -322,7 +325,9 @@ initial_reordering_consonant_syllable (const hb_ot_map_t *map, hb_buffer_t *buff
 }
 
 static void
-initial_reordering_syllable (const hb_ot_map_t *map, hb_buffer_t *buffer, hb_mask_t *mask_array,
+initial_reordering_syllable (const hb_ot_map_t *map,
+			     hb_buffer_t *buffer,
+			     hb_mask_t *mask_array,
 			     unsigned int start, unsigned int end, unsigned int base)
 {
   hb_glyph_info_t *info = buffer->info;
@@ -474,7 +479,9 @@ initial_reordering_syllable (const hb_ot_map_t *map, hb_buffer_t *buffer, hb_mas
 
 
 static void
-initial_reordering_vowel_syllable (const hb_ot_map_t *map, hb_buffer_t *buffer, hb_mask_t *mask_array,
+initial_reordering_vowel_syllable (const hb_ot_map_t *map,
+				   hb_buffer_t *buffer,
+				   hb_mask_t *mask_array,
 				   unsigned int start, unsigned int end)
 {
   /* We made the vowels look like consonants.  So let's call the consonant logic! */
@@ -482,7 +489,9 @@ initial_reordering_vowel_syllable (const hb_ot_map_t *map, hb_buffer_t *buffer,
 }
 
 static void
-initial_reordering_standalone_cluster (const hb_ot_map_t *map, hb_buffer_t *buffer, hb_mask_t *mask_array,
+initial_reordering_standalone_cluster (const hb_ot_map_t *map,
+				       hb_buffer_t *buffer,
+				       hb_mask_t *mask_array,
 				       unsigned int start, unsigned int end)
 {
   /* We treat NBSP/dotted-circle as if they are consonants, so we should just chain.
@@ -501,8 +510,10 @@ initial_reordering_standalone_cluster (const hb_ot_map_t *map, hb_buffer_t *buff
 }
 
 static void
-initial_reordering_non_indic (const hb_ot_map_t *map, hb_buffer_t *buffer, hb_mask_t *mask_array,
-		 unsigned int start, unsigned int end)
+initial_reordering_non_indic (const hb_ot_map_t *map HB_UNUSED,
+			      hb_buffer_t *buffer HB_UNUSED,
+			      hb_mask_t *mask_array HB_UNUSED,
+			      unsigned int start, unsigned int end)
 {
   /* Nothing to do right now.  If we ever switch to using the output
    * buffer in the reordering process, we'd need to next_glyph() here. */

src/hb-ot-shape-complex-misc.cc

@@ -37,7 +37,8 @@
  */
 
 void
-_hb_ot_shape_complex_collect_features_default (hb_ot_map_builder_t *map, const hb_segment_properties_t  *props)
+_hb_ot_shape_complex_collect_features_default (hb_ot_map_builder_t *map HB_UNUSED,
+					       const hb_segment_properties_t *props HB_UNUSED)
 {
 }
 
@@ -48,7 +49,9 @@ _hb_ot_shape_complex_normalization_preference_default (void)
 }
 
 void
-_hb_ot_shape_complex_setup_masks_default (hb_ot_map_t *map, hb_buffer_t *buffer, hb_font_t *font)
+_hb_ot_shape_complex_setup_masks_default (hb_ot_map_t *map HB_UNUSED,
+					  hb_buffer_t *buffer HB_UNUSED,
+					  hb_font_t *font HB_UNUSED)
 {
 }
 
@@ -64,7 +67,8 @@ static const hb_tag_t hangul_features[] =
 };
 
 void
-_hb_ot_shape_complex_collect_features_hangul (hb_ot_map_builder_t *map, const hb_segment_properties_t  *props)
+_hb_ot_shape_complex_collect_features_hangul (hb_ot_map_builder_t *map,
+					      const hb_segment_properties_t *props HB_UNUSED)
 {
   for (unsigned int i = 0; i < ARRAY_LENGTH (hangul_features); i++)
     map->add_bool_feature (hangul_features[i]);
@@ -77,7 +81,9 @@ _hb_ot_shape_complex_normalization_preference_hangul (void)
 }
 
 void
-_hb_ot_shape_complex_setup_masks_hangul (hb_ot_map_t *map, hb_buffer_t *buffer, hb_font_t *font)
+_hb_ot_shape_complex_setup_masks_hangul (hb_ot_map_t *map HB_UNUSED,
+					 hb_buffer_t *buffer HB_UNUSED,
+					 hb_font_t *font HB_UNUSED)
 {
 }
 
@@ -86,7 +92,8 @@ _hb_ot_shape_complex_setup_masks_hangul (hb_ot_map_t *map, hb_buffer_t *buffer,
 /* Thai / Lao shaper */
 
 void
-_hb_ot_shape_complex_collect_features_thai (hb_ot_map_builder_t *map, const hb_segment_properties_t  *props)
+_hb_ot_shape_complex_collect_features_thai (hb_ot_map_builder_t *map HB_UNUSED,
+					    const hb_segment_properties_t *props HB_UNUSED)
 {
 }
 
@@ -97,7 +104,9 @@ _hb_ot_shape_complex_normalization_preference_thai (void)
 }
 
 void
-_hb_ot_shape_complex_setup_masks_thai (hb_ot_map_t *map, hb_buffer_t *buffer, hb_font_t *font)
+_hb_ot_shape_complex_setup_masks_thai (hb_ot_map_t *map HB_UNUSED,
+				       hb_buffer_t *buffer,
+				       hb_font_t *font HB_UNUSED)
 {
   /* The following is NOT specified in the MS OT Thai spec, however, it seems
    * to be what Uniscribe and other engines implement.  According to Eric Muller:

src/hb-ot-shape-normalize.cc

@@ -69,8 +69,7 @@
  */
 
 static void
-output_glyph (hb_font_t *font, hb_buffer_t *buffer,
-	      hb_codepoint_t glyph)
+output_glyph (hb_buffer_t *buffer, hb_codepoint_t glyph)
 {
   buffer->output_glyph (glyph);
   _hb_glyph_info_set_unicode_props (&buffer->prev(), buffer->unicode);
@@ -90,22 +89,22 @@ decompose (hb_font_t *font, hb_buffer_t *buffer,
   bool has_a = hb_font_get_glyph (font, a, 0, &glyph);
   if (shortest && has_a) {
     /* Output a and b */
-    output_glyph (font, buffer, a);
+    output_glyph (buffer, a);
     if (b)
-      output_glyph (font, buffer, b);
+      output_glyph (buffer, b);
     return TRUE;
   }
 
   if (decompose (font, buffer, shortest, a)) {
     if (b)
-      output_glyph (font, buffer, b);
+      output_glyph (buffer, b);
     return TRUE;
   }
 
   if (has_a) {
-    output_glyph (font, buffer, a);
+    output_glyph (buffer, a);
     if (b)
-      output_glyph (font, buffer, b);
+      output_glyph (buffer, b);
     return TRUE;
   }
 

src/hb-set.cc

@@ -91,7 +91,7 @@ hb_set_get_user_data (hb_set_t        *set,
 
 
 hb_bool_t
-hb_set_allocation_successful (hb_set_t  *set)
+hb_set_allocation_successful (hb_set_t  *set HB_UNUSED)
 {
   return TRUE;
 }