avoid 1 allocation (per suggestion from Andrei)

dsimcha · Feb 18, 2012 · 1c50ab9 · 1c50ab9
1 parent b801b26
commit 1c50ab9
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/std/net/curl.d b/std/net/curl.d
@@ -3339,7 +3339,9 @@ struct Curl
 
     private string errorString(CurlCode code)
     {
-        return format("%s on handle %s", to!string(curl_easy_strerror(code)), handle);
+        auto msgZ = curl_easy_strerror(code);
+        // doing the following (instead of just using std.conv.to!string) avoids 1 allocation
+        return format("%s on handle %s", cast(string) msgZ[0 .. core.stdc.strlen(msgZ)], handle);
     }
 
     private void throwOnStopped(string message = null)