From 9a605799941ee1211f165b66617e38ec361ad7e7 Mon Sep 17 00:00:00 2001
From: "Enrico Weigelt, metux IT consult" <info@metux.net>
Date: Tue, 22 Jul 2025 14:44:40 +0200
Subject: [PATCH] dix: add dixGetAtomID()

Helper function for retrieving _existing_ atom ID for given name.
If atom doesn't exist yet, it won't be created, but returning None instead.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
---
 dix/dix_priv.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/dix/dix_priv.h b/dix/dix_priv.h
index fc22d02fa5..30c10ce2cf 100644
--- a/dix/dix_priv.h
+++ b/dix/dix_priv.h
@@ -704,4 +704,16 @@ static inline int WriteRpcbufToClient(ClientPtr pClient,
     return ret;
 }
 
+/*
+ * @brief retrieve atom ID by name
+ *
+ * if the atom doesn't exist yet, 0 / NONE is returned
+ *
+ * @param name  the atom name
+ * @return atom ID
+ */
+static inline Atom dixGetAtomID(const char *name) {
+    return MakeAtom(name, strlen(name), FALSE);
+}
+
 #endif /* _XSERVER_DIX_PRIV_H */