From adcb4d8cb7ee3ace4f0ee4a8ee8968b744db56b0 Mon Sep 17 00:00:00 2001
From: bigbiff bigbiff <bigbiff@teamw.in>
Date: Mon, 25 Sep 2017 10:51:56 -0400
Subject: ADB Backup: Fix gzip backup and restore

Change-Id: I92821c7053089d130a5ab73fa36aec486da77bf1
---
 adbbu/libtwadbbu.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'adbbu/libtwadbbu.cpp')

diff --git a/adbbu/libtwadbbu.cpp b/adbbu/libtwadbbu.cpp
index a13ecb2c3..0c7f355fc 100644
--- a/adbbu/libtwadbbu.cpp
+++ b/adbbu/libtwadbbu.cpp
@@ -33,6 +33,7 @@
 
 #include "twadbstream.h"
 #include "libtwadbbu.hpp"
+#include "twrpback.hpp"
 
 bool twadbbu::Check_ADB_Backup_File(std::string fname) {
 	struct AdbBackupStreamHeader adbbuhdr;
@@ -290,3 +291,16 @@ bool twadbbu::Write_TWENDADB() {
 	close(adb_control_bu_fd);
 	return true;
 }
+
+bool twadbbu::Write_TWDATA(FILE* adbd_fp) {
+	struct AdbBackupControlType data_block;
+	memset(&data_block, 0, sizeof(data_block));
+	strncpy(data_block.start_of_header, TWRP, sizeof(data_block.start_of_header));
+	strncpy(data_block.type, TWDATA, sizeof(data_block.type));
+	data_block.crc = crc32(0L, Z_NULL, 0);
+	data_block.crc = crc32(data_block.crc, (const unsigned char*) &data_block, sizeof(data_block));
+	if (fwrite(&data_block, 1, sizeof(data_block), adbd_fp) != sizeof(data_block))  {
+		return false;
+	}
+	return true;
+}
-- 
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