From c2cda8db316ff726cc84227e015a43e9910a67dd Mon Sep 17 00:00:00 2001
From: marc0246 <40955683+marc0246@users.noreply.github.com>
Date: Fri, 14 Jun 2024 14:04:40 +0200
Subject: [PATCH] Fix `errno` on dragonfly and vxworks

---
 src/lib.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 94c4dcc..d72e5b9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -513,10 +513,16 @@ mod unix {
         }
     }
 
+    #[cfg(not(target_os = "vxworks"))]
     fn errno() -> i32 {
         unsafe { *errno_location() as i32 }
     }
 
+    #[cfg(target_os = "vxworks")]
+    fn errno() -> i32 {
+        libc::errnoGet() as i32
+    }
+
     pub fn format_error(errnum: i32, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let mut buf = [0 as c_char; 128];
 
@@ -537,7 +543,7 @@ mod unix {
     }
 
     extern "C" {
-        #[cfg(not(any(target_os = "dragonfly", target_os = "vxworks")))]
+        #[cfg(not(target_os = "vxworks"))]
         #[cfg_attr(
             any(
                 target_os = "linux",
@@ -545,6 +551,7 @@ mod unix {
                 target_os = "fuchsia",
                 target_os = "l4re",
                 target_os = "hurd",
+                target_os = "dragonfly"
             ),
             link_name = "__errno_location"
         )]