From: Matt Corallo <git@bluematt.me>
Date: Fri, 19 Nov 2021 20:11:56 +0000 (+0000)
Subject: Add helper method on results to return `result_ok`
X-Git-Tag: v0.0.103.1^2~11
X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-c-bindings;a=commitdiff_plain;h=81c8df191bcdcccc1e2f1d2141331ea80c93cb5e

Add helper method on results to return `result_ok`

This fixes https://github.com/lightningdevkit/ldk-garbagecollected/issues/59
---

diff --git a/c-bindings-gen/src/blocks.rs b/c-bindings-gen/src/blocks.rs
index 5713578..6e6b897 100644
--- a/c-bindings-gen/src/blocks.rs
+++ b/c-bindings-gen/src/blocks.rs
@@ -124,6 +124,12 @@ pub fn write_result_block<W: std::io::Write>(w: &mut W, mangled_container: &str,
 	writeln!(w, "\t}}").unwrap();
 	writeln!(w, "}}").unwrap();
 
+	writeln!(w, "/// Checks if the given object is currently in the success state").unwrap();
+	writeln!(w, "#[no_mangle]").unwrap();
+	writeln!(w, "pub extern \"C\" fn {}_is_ok(o: &{}) -> bool {{", mangled_container, mangled_container).unwrap();
+	writeln!(w, "\to.result_ok").unwrap();
+	writeln!(w, "}}").unwrap();
+
 	writeln!(w, "#[no_mangle]").unwrap();
 	writeln!(w, "/// Frees any resources used by the {}.", mangled_container).unwrap();
 	writeln!(w, "pub extern \"C\" fn {}_free(_res: {}) {{ }}", mangled_container, mangled_container).unwrap();