From b1bfafe3292b62a88e4217820d2e51c58413c11e Mon Sep 17 00:00:00 2001
From: stefan schippers <stefan.schippers@gmail.com>
Date: Fri, 20 Feb 2026 11:57:37 +0100
Subject: [PATCH] fix wrong null character detection in remove_expr()

---
 src/eval_expr.y | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/eval_expr.y b/src/eval_expr.y
index 1d0e536d..a42441fe 100644
--- a/src/eval_expr.y
+++ b/src/eval_expr.y
@@ -170,7 +170,7 @@ static void remove_expr(char *s)
     if(*ptr == ')') {
       plev--;
       if(plev == 0) ptr++;
-      if(!ptr) break;
+      if(!*ptr) break;
     }
     *s = *ptr;
     ptr++;