From: Joogab Yun <joogab.yun@samsung.com>
Date: Wed, 17 Oct 2018 01:39:24 +0000 (+0900)
Subject: security check : null termination check
X-Git-Tag: dali_1.3.47~12
X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=commitdiff_plain;h=601dc72383812538dc3827eb19ad1274b8346887

security check : null termination check

Change-Id: I047b7b4767b9d0c34919c870413a2634c0b4a8de
---

diff --git a/dali-toolkit/internal/builder/builder-filesystem.h b/dali-toolkit/internal/builder/builder-filesystem.h
old mode 100644
new mode 100755
index bbb77d7..d7118dd
--- a/dali-toolkit/internal/builder/builder-filesystem.h
+++ b/dali-toolkit/internal/builder/builder-filesystem.h
@@ -46,7 +46,9 @@ inline std::string ExpandPath(const std::string &name)
 inline std::string ExePath(void)
 {
   char buf[256];
-  readlink("/proc/self/exe", buf, sizeof(buf));
+  ssize_t len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
+  len = len > 0 ? len : 0;
+  buf[len] = '\0';
   return std::string(buf);
 }