commit cb3fce80fafa2848fd4962d9f242c21eef3d82f9
author Andres Morales <anmorales@google.com> Fri May 08 08:30:33 2015 -0700
committer Andres Morales <anmorales@google.com> Fri May 08 17:35:13 2015 -0700
tree 2ec808f7a30b4eddc83c0cf308597b98fe48c9bf
parent a190ddf90f648a96997f187e074e56c76e163764

load ro.recovery_id property from recovery partition

Change-Id: I9dc1f325e353375d9c1c8ed949636e2404601076
(cherry picked from commit db5f5d43679546ecde2b85151c0a8b8ccd605b07)

init/util.cpp

diff --git a/init/util.cpp b/init/util.cpp
index 7754e53..5964267 100644
--- a/init/util.cpp
+++ b/init/util.cpp
@@ -37,6 +37,7 @@
 
 /* for ANDROID_SOCKET_* */
 #include <cutils/sockets.h>
+#include <base/stringprintf.h>
 
 #include <private/android_filesystem_config.h>
 
@@ -449,3 +450,14 @@
 {
     return selinux_android_restorecon(pathname, SELINUX_ANDROID_RESTORECON_RECURSE);
 }
+
+/*
+ * Writes hex_len hex characters (1/2 byte) to hex from bytes.
+ */
+std::string bytes_to_hex(const uint8_t* bytes, size_t bytes_len) {
+    std::string hex("0x");
+    for (size_t i = 0; i < bytes_len; i++)
+        android::base::StringAppendF(&hex, "%02x", bytes[i]);
+    return hex;
+}
+