From 763d4ceb11da081df6653dec29d54e4ba1ff2cc2 Mon Sep 17 00:00:00 2001
From: JonWel <JonWel@users.noreply.github.com>
Date: Mon, 15 Feb 2016 01:03:21 +0100
Subject: [PATCH] Correct get_parameter_information_string, fixes #974

Put the catch in a more useful way and solves the call to CoolProp::get_parameter_information.
---
 src/CoolPropLib.cpp | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/src/CoolPropLib.cpp b/src/CoolPropLib.cpp
index e61ad20f..9b84bae5 100644
--- a/src/CoolPropLib.cpp
+++ b/src/CoolPropLib.cpp
@@ -251,15 +251,12 @@ EXPORT_CODE long CONVENTION get_parameter_information_string(const char *param,
 {
     try{
         int key = CoolProp::get_parameter_index(param);
-        if (key >= 0){
-            std::string s = CoolProp::get_parameter_information(key, Output);
-            return str2buf(s, Output, n) ? 1 : 0;
-        }
-        else{
-            str2buf(format("parameter is invalid: %s", param), Output, n);
-        }
+        std::string s = CoolProp::get_parameter_information(key, "long");
+        return str2buf(s, Output, n) ? 1 : 0;
     }
-    catch(...){}
+    catch(...){
+		str2buf(format("parameter is invalid: %s", param), Output, n);
+	}
     return 0;
 }
 EXPORT_CODE long CONVENTION get_fluid_param_string(const char *fluid, const char *param, char * Output, int n)
@@ -607,4 +604,4 @@ EMSCRIPTEN_BINDINGS(coolprop_lib_bindings) {
     function("F2K", &F2K);
 }
 
-#endif
\ No newline at end of file
+#endif