From: Sungbae Yoo <sungbae.yoo@samsung.com>
Date: Tue, 23 May 2017 02:06:10 +0000 (+0900)
Subject: Fix copy() to be able to handle large files than 2GB
X-Git-Tag: submit/tizen/20170523.073824^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9df7a18a5ef99658f4b870160a7b44aa53c19818;p=platform%2Fcore%2Fsecurity%2Fklay.git

Fix copy() to be able to handle large files than 2GB

Signed-off-by: Sungbae Yoo <sungbae.yoo@samsung.com>
Change-Id: I5555d8dc13128ea969b09b35c913d54ccbe4e537
---

diff --git a/src/filesystem.cpp b/src/filesystem.cpp
index 91b27a3..c264b7b 100644
--- a/src/filesystem.cpp
+++ b/src/filesystem.cpp
@@ -280,7 +280,14 @@ File File::copyTo(const std::string& destDir)
 	} else {
 		open(O_RDONLY);
 		destFile.create(getMode());
-		::sendfile(destFile.descriptor, descriptor, 0, size());
+		off_t s = 0;
+		while (s < size()) {
+			ssize_t ret;
+			ret = ::sendfile(destFile.descriptor, descriptor, &s, size() - s);
+			if (ret < 0) {
+				throw runtime::Exception(runtime::GetSystemErrorMessage());
+			}
+		}
 		destFile.close();
 		close();
 	}