From ced6201cb0433c11d8b7ca9e60de61b133cc8fab Mon Sep 17 00:00:00 2001
From: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
Date: Mon, 9 Jan 2023 03:25:06 -0800
Subject: Cleanup error handling in Bun.listen

---
 src/linux_c.zig | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/linux_c.zig')

diff --git a/src/linux_c.zig b/src/linux_c.zig
index 2ff96c966..b652a6490 100644
--- a/src/linux_c.zig
+++ b/src/linux_c.zig
@@ -141,6 +141,20 @@ pub const SystemErrno = enum(u8) {
 
     pub const max = 134;
 
+    pub fn init(code: anytype) ?SystemErrno {
+        if (comptime std.meta.trait.isSignedInt(@TypeOf(code))) {
+            if (code < 0)
+                return init(-code);
+        }
+
+        if (code >= max) return null;
+        return @intToEnum(SystemErrno, code);
+    }
+
+    pub fn label(this: SystemErrno) ?[]const u8 {
+        return labels.get(this) orelse null;
+    }
+
     const LabelMap = std.EnumMap(SystemErrno, []const u8);
     pub const labels: LabelMap = brk: {
         var map: LabelMap = LabelMap.initFull("");
-- 
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