From 3e047280230bd75e84de6c85857e39bcd3bdb64a Mon Sep 17 00:00:00 2001
From: wangmengc <wangmengc@uniontech.com>
Date: Fri, 24 May 2024 13:45:02 +0800
Subject: [PATCH] add exp5 function

---
 utshell-0.5/r_expr/src/lib.rs | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/utshell-0.5/r_expr/src/lib.rs b/utshell-0.5/r_expr/src/lib.rs
index 1096524f..c02d2162 100644
--- a/utshell-0.5/r_expr/src/lib.rs
+++ b/utshell-0.5/r_expr/src/lib.rs
@@ -659,4 +659,21 @@ unsafe extern "C" fn exp4() -> intmax_t {
     return val1;
 }
 
-
+#[no_mangle]
+unsafe extern "C" fn exp5() -> intmax_t {
+    let mut val1: intmax_t = 0;
+    let mut val2: intmax_t = 0;
+    val1 = exp4();
+    while curtok == EQEQ as libc::c_int || curtok == NEQ as libc::c_int {
+        let mut op: libc::c_int = curtok;
+        readtok();
+        val2 = exp4();
+        if op == EQEQ as libc::c_int {
+            val1 = (val1 == val2) as libc::c_int as intmax_t;
+        } else if op == NEQ as libc::c_int {
+            val1 = (val1 != val2) as libc::c_int as intmax_t;
+        }
+        lasttok = NUM as libc::c_int;
+    }
+    return val1;
+}
-- 
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