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-rw-r--r--Src/Zle/zle_main.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/Src/Zle/zle_main.c b/Src/Zle/zle_main.c
index 904bf148e..5751d5329 100644
--- a/Src/Zle/zle_main.c
+++ b/Src/Zle/zle_main.c
@@ -1509,10 +1509,15 @@ recursiveedit(UNUSED(char **args))
 void
 reexpandprompt(void)
 {
-    free(lpromptbuf);
-    lpromptbuf = promptexpand(raw_lp ? *raw_lp : NULL, 1, NULL, NULL);
-    free(rpromptbuf);
-    rpromptbuf = promptexpand(raw_rp ? *raw_rp : NULL, 1, NULL, NULL);
+    static reexpanding;
+
+    if (!reexpanding++) {
+	free(lpromptbuf);
+	lpromptbuf = promptexpand(raw_lp ? *raw_lp : NULL, 1, NULL, NULL);
+	free(rpromptbuf);
+	rpromptbuf = promptexpand(raw_rp ? *raw_rp : NULL, 1, NULL, NULL);
+    }
+    reexpanding--;
 }
 
 /**/