xkb: Add XkbCopySrvLedInfo, deep-copies a XkbSrvLedInfoRec.

1 files changed, 39 insertions, 0 deletions

diff --git a/xkb/xkbLEDs.c b/xkb/xkbLEDs.c
index 55ce12aad..d7ada5749 100644
--- a/xkb/xkbLEDs.c
+++ b/xkb/xkbLEDs.c
@@ -615,6 +615,45 @@ XkbFreeSrvLedInfo(XkbSrvLedInfoPtr sli)
     return;
 }
 
+/*
+ * XkbSrvLedInfoPtr
+ * XkbCopySrvLedInfo(dev,src,kf,lf)
+ *
+ * Takes the given XkbSrvLedInfoPtr and duplicates it. A deep copy is made,
+ * thus the new copy behaves like the original one and can be freed with
+ * XkbFreeSrvLedInfo.
+ */
+XkbSrvLedInfoPtr
+XkbCopySrvLedInfo(	DeviceIntPtr		from,
+			XkbSrvLedInfoPtr	src,
+			KbdFeedbackPtr		kf,
+			LedFeedbackPtr		lf)
+{
+    XkbSrvLedInfoPtr sli_new;
+
+    if (!src)
+	goto finish;
+
+    sli_new = _XkbTypedCalloc(1, XkbSrvLedInfoRec);
+    if (!sli_new)
+	goto finish;
+
+    memcpy(src, sli_new, sizeof(XkbSrvLedInfoRec));
+    if (sli_new->class == KbdFeedbackClass)
+	sli_new->fb.kf = kf;
+    else
+	sli_new->fb.lf = lf;
+
+    if (sli_new->flags & XkbSLI_IsDefault) {
+	sli_new->names= _XkbTypedCalloc(XkbNumIndicators,Atom);
+	sli_new->maps= _XkbTypedCalloc(XkbNumIndicators,XkbIndicatorMapRec);
+    } /* else sli_new->names/maps is pointing to
+	dev->key->xkbInfo->desc->names->indicators;
+	dev->key->xkbInfo->desc->names->indicators; */
+
+finish:
+    return sli_new;
+}
 
 /***====================================================================***/