From 5b3ae4c1326e0c85df906ffea49b97b80b13ceae Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Wed, 14 Jan 2026 02:50:40 +0100
Subject: Add circular reference detection to all format writers

Thanks to @LkkkLxy for pointing out the issue.
---
 include/plist/plist.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/plist/plist.h')

diff --git a/include/plist/plist.h b/include/plist/plist.h
index 41af8ce..5ea30b8 100644
--- a/include/plist/plist.h
+++ b/include/plist/plist.h
@@ -144,6 +144,7 @@ extern "C"
         PLIST_ERR_PARSE        = -3,  /**< parsing of the input format failed */
         PLIST_ERR_NO_MEM       = -4,  /**< not enough memory to handle the operation */
         PLIST_ERR_IO           = -5,  /**< I/O error */
+        PLIST_ERR_CIRCULAR_REF = -6,  /**< circular reference detected */
         PLIST_ERR_UNKNOWN      = -255 /**< an unspecified error occurred */
     } plist_err_t;
 
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