From 7ac42e83ae9677a42e549579047d9593a348e069 Mon Sep 17 00:00:00 2001
From: wangmengc <wangmengc@uniontech.com>
Date: Tue, 31 Oct 2023 10:26:50 +0800
Subject: [PATCH] vc_isbltnenv macro, initialize_subshell function

---
 bash-5.1/r_execute_cmd/src/lib.rs | 35 +++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/bash-5.1/r_execute_cmd/src/lib.rs b/bash-5.1/r_execute_cmd/src/lib.rs
index 51847e8..fd0f82c 100644
--- a/bash-5.1/r_execute_cmd/src/lib.rs
+++ b/bash-5.1/r_execute_cmd/src/lib.rs
@@ -5918,8 +5918,43 @@ unsafe extern "C" fn getinterp(
     return execname;
 }
 
+#[macro_export]
+macro_rules! vc_isbltnenv {
+    ($vc:expr) => {
+        (*$vc).flags & VC_BLTNENV as libc::c_int != 0 
+    };
+}
+
+unsafe extern "C" fn initialize_subshell() {
+    delete_all_aliases();
+    history_lines_this_session = 0 ;
 
+    without_job_control();
+
+    set_sigchld_handler();
+    init_job_stats();
 
+    reset_shell_flags();
+    reset_shell_options();
+    reset_shopt_options();
+
+    if vc_isbltnenv!(shell_variables) {
+        shell_variables = (*shell_variables).down;
+    }
+
+    clear_unwind_protect_list(0 );
+    parse_and_execute_level = 0 ;
+    sourcenest = 0 ;
+    evalnest = sourcenest;
+    funcnest = evalnest;
+    return_catch_flag = funcnest;
+    variable_context = return_catch_flag;
+
+    executing_list = 0 ;
+    if interactive_shell == 0 {
+        unset_bash_input(0 );
+    }
+}
 
 
 
-- 
Gitee