From 759d6bddb616278a13713376c4ed82422e655892 Mon Sep 17 00:00:00 2001

From: Charles Oliver Nutter <headius@headius.com>

Date: Tue, 21 Apr 2020 16:19:37 -0500

Subject: [PATCH] Convert int to boolean like C does (nonzero is true)

Fixes #200

---

 src/main/java/jnr/ffi/provider/jffi/NumberUtil.java | 7 ++++---

 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/main/java/jnr/ffi/provider/jffi/NumberUtil.java b/src/main/java/jnr/ffi/provider/jffi/NumberUtil.java

index 3ca02c5..89bdb8f 100644

--- a/src/main/java/jnr/ffi/provider/jffi/NumberUtil.java

+++ b/src/main/java/jnr/ffi/provider/jffi/NumberUtil.java

@@ -158,9 +158,10 @@ public final class NumberUtil {

                     mv.i2c();

                 } else if (boolean.class == to) {

-                    // Ensure only 0x0 and 0x1 values are used for boolean

-                    mv.iconst_1();

-                    mv.iand();

+                    // allow all non-zero values to be treated as true

+                    mv.i2l();

+                    mv.lconst_0();

+                    mv.lcmp();

                 }

             }

         }

-- 

2.26.2