From 5d895caea051eacc93818c1de0ad2be7d2564f82 Mon Sep 17 00:00:00 2001
From: Sudarshan Prasad <sudarshan.prasad@intel.com>
Date: Mon, 23 Mar 2015 15:27:17 -0700
Subject: [PATCH] Added comments for a macro.

- This changeset addresses one of the comment from full RI-CA review.

Change-Id: I62b1ffb53104dcc57e8a04e067cafcc34e6bc655
Signed-Off-By: Sudarshan Prasad <sudarshan.prasad@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/550
Reviewed-by: Joseph Morrow <joseph.l.morrow@intel.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Erich Keane <erich.keane@intel.com>
---
 resource/csdk/stack/src/occollection.c | 6 ++++++
 resource/csdk/stack/src/ocresource.c   | 6 ++++++
 resource/csdk/stack/src/ocstack.c      | 7 +++++++
 resource/csdk/stack/src/oicgroup.c     | 6 ++++++
 4 files changed, 25 insertions(+)

diff --git a/resource/csdk/stack/src/occollection.c b/resource/csdk/stack/src/occollection.c
index 315db21..05e676f 100644
--- a/resource/csdk/stack/src/occollection.c
+++ b/resource/csdk/stack/src/occollection.c
@@ -18,6 +18,12 @@
 //
 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 
+// Defining _POSIX_C_SOURCE macro with 200112L (or greater) as value
+// causes header files to expose definitions
+// corresponding to the POSIX.1-2001 base
+// specification (excluding the XSI extension).
+// For POSIX.1-2001 base specification,
+// Refer http://pubs.opengroup.org/onlinepubs/009695399/
 #define _POSIX_C_SOURCE 200112L
 #include <string.h>
 #include "ocstack.h"
diff --git a/resource/csdk/stack/src/ocresource.c b/resource/csdk/stack/src/ocresource.c
index fbe4911..4f384f8 100644
--- a/resource/csdk/stack/src/ocresource.c
+++ b/resource/csdk/stack/src/ocresource.c
@@ -18,6 +18,12 @@
 //
 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 
+// Defining _POSIX_C_SOURCE macro with 200112L (or greater) as value
+// causes header files to expose definitions
+// corresponding to the POSIX.1-2001 base
+// specification (excluding the XSI extension).
+// For POSIX.1-2001 base specification,
+// Refer http://pubs.opengroup.org/onlinepubs/009695399/
 #define _POSIX_C_SOURCE 200112L
 #include <string.h>
 #include "ocstack.h"
diff --git a/resource/csdk/stack/src/ocstack.c b/resource/csdk/stack/src/ocstack.c
index 8e477ef..5d60528 100644
--- a/resource/csdk/stack/src/ocstack.c
+++ b/resource/csdk/stack/src/ocstack.c
@@ -22,6 +22,13 @@
 //-----------------------------------------------------------------------------
 // Includes
 //-----------------------------------------------------------------------------
+
+// Defining _POSIX_C_SOURCE macro with 200112L (or greater) as value
+// causes header files to expose definitions
+// corresponding to the POSIX.1-2001 base
+// specification (excluding the XSI extension).
+// For POSIX.1-2001 base specification,
+// Refer http://pubs.opengroup.org/onlinepubs/009695399/
 #define _POSIX_C_SOURCE 200112L
 #include <string.h>
 #include <ctype.h>
diff --git a/resource/csdk/stack/src/oicgroup.c b/resource/csdk/stack/src/oicgroup.c
index e57435d..723193e 100644
--- a/resource/csdk/stack/src/oicgroup.c
+++ b/resource/csdk/stack/src/oicgroup.c
@@ -18,6 +18,12 @@
 //
 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 
+// Defining _POSIX_C_SOURCE macro with 200112L (or greater) as value
+// causes header files to expose definitions
+// corresponding to the POSIX.1-2001 base
+// specification (excluding the XSI extension).
+// For POSIX.1-2001 base specification,
+// Refer http://pubs.opengroup.org/onlinepubs/009695399/
 #define _POSIX_C_SOURCE 200112L
 #include <string.h>
 
-- 
2.7.4