Expose the CURLOPT_HTTP09_ALLOWED libcurl option (#447)

curl-sys/lib.rs

@@ -598,6 +598,8 @@ pub const CURLOPT_PROXY_SSLKEY: CURLoption = CURLOPTTYPE_OBJECTPOINT + 256;
 pub const CURLOPT_DOH_URL: CURLoption = CURLOPTTYPE_OBJECTPOINT + 279;
 pub const CURLOPT_UPLOAD_BUFFERSIZE: CURLoption = CURLOPTTYPE_LONG + 280;
 
+pub const CURLOPT_HTTP09_ALLOWED: CURLoption = CURLOPTTYPE_LONG + 285;
+
 pub const CURLOPT_MAXAGE_CONN: CURLoption = CURLOPTTYPE_LONG + 288;
 
 pub const CURLOPT_SSLCERT_BLOB: CURLoption = CURLOPTTYPE_BLOB + 291;

src/easy/handle.rs

@@ -1280,6 +1280,11 @@ impl Easy {
         self.inner.pipewait(wait)
     }
 
+    /// Same as [`Easy2::http_09_allowed`](struct.Easy2.html#method.http_09_allowed)
+    pub fn http_09_allowed(&mut self, allow: bool) -> Result<(), Error> {
+        self.inner.http_09_allowed(allow)
+    }
+
     // =========================================================================
     // Other methods
 

src/easy/handler.rs

@@ -2944,6 +2944,17 @@ impl<H> Easy2<H> {
         self.setopt_long(curl_sys::CURLOPT_PIPEWAIT, wait as c_long)
     }
 
+    /// Allow HTTP/0.9 compliant responses
+    ///
+    /// Set allow to `true` to tell libcurl to allow HTTP/0.9 responses. A HTTP/0.9
+    /// response is a server response entirely without headers and only a body.
+    ///
+    /// By default this option is not set and corresponds to
+    /// `CURLOPT_HTTP09_ALLOWED`.
+    pub fn http_09_allowed(&mut self, allow: bool) -> Result<(), Error> {
+        self.setopt_long(curl_sys::CURLOPT_HTTP09_ALLOWED, allow as c_long)
+    }
+
     // =========================================================================
     // Other methods
 

systest/build.rs

@@ -141,6 +141,7 @@ fn main() {
                 "CURLE_SSL_INVALIDCERTSTATUS" => return true,
                 "CURLE_HTTP2_STREAM" => return true,
                 "CURLE_RECURSIVE_API_CALL" => return true,
+                "CURLOPT_HTTP09_ALLOWED" => return true,
                 _ => {}
             }
         }