From 52ca88c81a9a207d3235a76253ecabd82cc5dee7 Mon Sep 17 00:00:00 2001
From: Mohanson <mohanson@outlook.com>
Date: Thu, 14 Nov 2024 17:12:10 +0800
Subject: [PATCH] Append zero at the end of inherited_fds automatically (#126)

---
 contracts/Cargo.lock                             | 2 +-
 contracts/exec-callee/exec-callee-dbg/Cargo.lock | 2 +-
 contracts/spawn-caller-by-code-hash/src/entry.rs | 2 +-
 src/high_level.rs                                | 4 +++-
 4 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/contracts/Cargo.lock b/contracts/Cargo.lock
index 2ca3928..62c243a 100644
--- a/contracts/Cargo.lock
+++ b/contracts/Cargo.lock
@@ -228,7 +228,7 @@ dependencies = [
 
 [[package]]
 name = "ckb-std"
-version = "0.16.1"
+version = "0.16.3"
 dependencies = [
  "buddy-alloc",
  "cc",
diff --git a/contracts/exec-callee/exec-callee-dbg/Cargo.lock b/contracts/exec-callee/exec-callee-dbg/Cargo.lock
index 31765f8..4f9a5b0 100644
--- a/contracts/exec-callee/exec-callee-dbg/Cargo.lock
+++ b/contracts/exec-callee/exec-callee-dbg/Cargo.lock
@@ -219,7 +219,7 @@ dependencies = [
 
 [[package]]
 name = "ckb-std"
-version = "0.16.1"
+version = "0.16.3"
 dependencies = [
  "buddy-alloc",
  "cc",
diff --git a/contracts/spawn-caller-by-code-hash/src/entry.rs b/contracts/spawn-caller-by-code-hash/src/entry.rs
index b88114f..bc89398 100644
--- a/contracts/spawn-caller-by-code-hash/src/entry.rs
+++ b/contracts/spawn-caller-by-code-hash/src/entry.rs
@@ -12,7 +12,7 @@ pub fn main() -> Result<(), Error> {
         CStr::from_bytes_with_nul(b"world\0").unwrap(),
     ];
     let mut std_fds: [u64; 2] = [0, 0];
-    let mut son_fds: [u64; 3] = [0, 0, 0];
+    let mut son_fds: [u64; 2] = [0, 0];
     let (r0, w0) = syscalls::pipe()?;
     std_fds[0] = r0;
     son_fds[1] = w0;
diff --git a/src/high_level.rs b/src/high_level.rs
index de4f641..d716c86 100644
--- a/src/high_level.rs
+++ b/src/high_level.rs
@@ -700,6 +700,8 @@ pub fn spawn_cell(
     argv: &[&CStr],
     inherited_fds: &[u64],
 ) -> Result<u64, SysError> {
+    let mut inherited_fds = Vec::from(inherited_fds);
+    inherited_fds.push(0);
     #[cfg(not(feature = "native-simulator"))]
     {
         let index = look_for_dep_with_hash2(code_hash, hash_type)?;
@@ -716,7 +718,7 @@ pub fn spawn_cell(
         Ok(process_id)
     }
     #[cfg(feature = "native-simulator")]
-    syscalls::spawn_cell(code_hash, hash_type, argv, inherited_fds)
+    syscalls::spawn_cell(code_hash, hash_type, argv, &inherited_fds)
 }
 
 /// Get inherited file descriptors.