From 267c59b1f13bb26c23d7cfa28d825e991568cf2d Mon Sep 17 00:00:00 2001
From: topjohnwu <topjohnwu@gmail.com>
Date: Sat, 23 Feb 2019 12:58:48 -0500
Subject: [PATCH] Add truncate while open

---
 native/jni/utils/cpio.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/native/jni/utils/cpio.cpp b/native/jni/utils/cpio.cpp
index c85ad8a9b..478475d8b 100644
--- a/native/jni/utils/cpio.cpp
+++ b/native/jni/utils/cpio.cpp
@@ -66,8 +66,7 @@ cpio_entry::~cpio_entry() {
 
 void cpio::dump(const char *file) {
 	fprintf(stderr, "Dump cpio: [%s]\n", file);
-	int fd = xopen(file, O_WRONLY | O_CREAT, 0644);
-	FDOutStream fd_out(fd, true);
+	FDOutStream fd_out(xopen(file, O_WRONLY | O_CREAT | O_TRUNC, 0644), true);
 	output(fd_out);
 }