Update harfbuzz-ng to 0.9.24

third_party/harfbuzz-ng/src/hb-shape.cc

Index: third_party/harfbuzz-ng/src/hb-shape.cc
diff --git a/third_party/harfbuzz-ng/src/hb-shape.cc b/third_party/harfbuzz-ng/src/hb-shape.cc
index 67ef7e6a8f56a09714582f4b17b9dc8b4745b21b..c1b752405e1fdc55b8b4515b7e218e130ff90736 100644
--- a/third_party/harfbuzz-ng/src/hb-shape.cc
+++ b/third_party/harfbuzz-ng/src/hb-shape.cc
@@ -153,6 +153,18 @@ parse_one_feature (const char **pp, const char *end, hb_feature_t *feature)
 	 *pp == end;
 }
 
+/**
+ * hb_feature_from_string:
+ * @str: (array length=len):
+ * @len: 
+ * @feature: (out):
+ *
+ * 
+ *
+ * Return value: 
+ *
+ * Since: 1.0
+ **/
 hb_bool_t
 hb_feature_from_string (const char *str, int len,
 			hb_feature_t *feature)
@@ -163,6 +175,16 @@ hb_feature_from_string (const char *str, int len,
   return parse_one_feature (&str, str + len, feature);
 }
 
+/**
+ * hb_feature_to_string:
+ * @feature: 
+ * @buf: (array length=size):
+ * @size: 
+ *
+ * 
+ *
+ * Since: 1.0
+ **/
 void
 hb_feature_to_string (hb_feature_t *feature,
 		      char *buf, unsigned int size)
@@ -181,23 +203,23 @@ hb_feature_to_string (hb_feature_t *feature,
   {
     s[len++] = '[';
     if (feature->start)
-      len += snprintf (s + len, ARRAY_LENGTH (s) - len, "%d", feature->start);
+      len += MAX (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%d", feature->start));
     if (feature->end != feature->start + 1) {
       s[len++] = ':';
       if (feature->end != (unsigned int) -1)
-	len += snprintf (s + len, ARRAY_LENGTH (s) - len, "%d", feature->end);
+	len += MAX (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%d", feature->end));
     }
     s[len++] = ']';
   }
   if (feature->value > 1)
   {
     s[len++] = '=';
-    len += snprintf (s + len, ARRAY_LENGTH (s) - len, "%d", feature->value);
+    len += MAX (0, snprintf (s + len, ARRAY_LENGTH (s) - len, "%d", feature->value));
   }
   assert (len < ARRAY_LENGTH (s));
   len = MIN (len, size - 1);
   memcpy (buf, s, len);
-  s[len] = '\0';
+  buf[len] = '\0';
 }
 
 
@@ -209,6 +231,15 @@ void free_static_shaper_list (void)
   free (static_shaper_list);
 }
 
+/**
+ * hb_shape_list_shapers:
+ *
+ * 
+ *
+ * Return value: (transfer none):
+ *
+ * Since: 1.0
+ **/
 const char **
 hb_shape_list_shapers (void)
 {
@@ -244,6 +275,20 @@ retry:
 }
 
 
+/**
+ * hb_shape_full:
+ * @font: a font.
+ * @buffer: a buffer.
+ * @features: (array length=num_features):
+ * @num_features: 
+ * @shaper_list: (array zero-terminated=1):
+ *
+ * 
+ *
+ * Return value: 
+ *
+ * Since: 1.0
+ **/
 hb_bool_t
 hb_shape_full (hb_font_t          *font,
 	       hb_buffer_t        *buffer,
@@ -265,6 +310,17 @@ hb_shape_full (hb_font_t          *font,
   return res;
 }
 
+/**
+ * hb_shape:
+ * @font: a font.
+ * @buffer: a buffer.
+ * @features: (array length=num_features):
+ * @num_features: 
+ *
+ * 
+ *
+ * Since: 1.0
+ **/
 void
 hb_shape (hb_font_t           *font,
 	  hb_buffer_t         *buffer,