From f014bc44c7617650ed9f957bada6281db8a35d75 Mon Sep 17 00:00:00 2001
From: "Luke T. Shumaker" <lukeshu@lukeshu.com>
Date: Wed, 11 Jun 2025 22:24:21 -0600
Subject: libmisc: error.h: Add error_dup()

---
 libmisc/error.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'libmisc/error.c')

diff --git a/libmisc/error.c b/libmisc/error.c
index dfe4e80..345755c 100644
--- a/libmisc/error.c
+++ b/libmisc/error.c
@@ -4,6 +4,8 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
+#include <string.h> /* for strdup() */
+
 #include <libmisc/error.h>
 
 const char *error_msg(error err) {
@@ -12,6 +14,13 @@ const char *error_msg(error err) {
 		: _errnum_str_msg(err.num);
 }
 
+error error_dup(error err) {
+	return (error){
+		.num = err.num,
+		._msg = err._msg ? strdup(err._msg) : NULL,
+	};
+}
+
 void error_cleanup(error *errptr) {
 	if (!errptr)
 		return;
-- 
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