From fc42642ab78da5fe25bcbea7a568bf880268a9dc Mon Sep 17 00:00:00 2001
From: Igor Murashkin <iam@google.com>
Date: Wed, 13 Feb 2013 18:23:39 -0800
Subject: Camera: Add exists function to CameraMetadata

Change-Id: I081f61417fca7c8408e9e767129647ddce5364ab
---
 camera/CameraMetadata.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'camera/CameraMetadata.cpp')

diff --git a/camera/CameraMetadata.cpp b/camera/CameraMetadata.cpp
index 0bfa420..fdd0610 100644
--- a/camera/CameraMetadata.cpp
+++ b/camera/CameraMetadata.cpp
@@ -208,6 +208,11 @@ status_t CameraMetadata::update(uint32_t tag, const void *data,
     return res;
 }
 
+bool CameraMetadata::exists(uint32_t tag) const {
+    camera_metadata_ro_entry entry;
+    return find_camera_metadata_ro_entry(mBuffer, tag, &entry) == 0;
+}
+
 camera_metadata_entry_t CameraMetadata::find(uint32_t tag) {
     status_t res;
     camera_metadata_entry entry;
-- 
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