Update to encoding_c 0.9.1.

hsivonen · hsivonen · commit 2b044dd5ee6c · 2018-11-16T14:21:44.000+02:00
diff --git a/encoding_rs.h b/encoding_rs.h
@@ -136,6 +136,19 @@ bool encoding_can_encode_everything(ENCODING_RS_ENCODING const* encoding);
 /// UB ensues if the argument is `NULL`.
 bool encoding_is_ascii_compatible(ENCODING_RS_ENCODING const* encoding);
 
+/// Checks whether this encoding maps one byte to one Basic Multilingual
+/// Plane code point (i.e. byte length equals decoded UTF-16 length) and
+/// vice versa (for mappable characters).
+///
+/// `true` iff this encoding is on the list of [Legacy single-byte
+/// encodings](https://encoding.spec.whatwg.org/#legacy-single-byte-encodings)
+/// in the spec or x-user-defined.
+///
+/// # Undefined behavior
+///
+/// UB ensues if the argument is `NULL`.
+bool encoding_is_single_byte(ENCODING_RS_ENCODING const* encoding);
+
 /// Returns the _output encoding_ of this encoding. This is UTF-8 for
 /// UTF-16BE, UTF-16LE and replacement and the encoding itself otherwise.
 ///
diff --git a/encoding_rs_cpp.h b/encoding_rs_cpp.h
@@ -804,6 +804,20 @@ class Encoding final
     return encoding_is_ascii_compatible(this);
   }
 
+  /**
+  * Checks whether this encoding maps one byte to one Basic Multilingual
+  * Plane code point (i.e. byte length equals decoded UTF-16 length) and
+  * vice versa (for mappable characters).
+  *
+  * `true` iff this encoding is on the list of Legacy single-byte
+  * encodings (https://encoding.spec.whatwg.org/#legacy-single-byte-encodings)
+  * in the spec or x-user-defined.
+  */
+  inline bool is_single_byte() const
+  {
+    return encoding_is_single_byte(this);
+  }
+
   /**
    * Returns the _output encoding_ of this encoding. This is UTF-8 for
    * UTF-16BE, UTF-16LE and replacement and the encoding itself otherwise.
diff --git a/rustglue/Cargo.toml b/rustglue/Cargo.toml
@@ -3,8 +3,9 @@ name = "rustglue"
 version = "0.1.0"
 authors = ["Henri Sivonen <hsivonen@hsivonen.fi>"]
 
-[dependencies]
-encoding_c = "0.8.0"
+[dependencies.encoding_c]
+version = "0.9.1"
+features = ["fast-legacy-encode"]
 
 [lib]
 crate-type = ["staticlib"]
