From 1b6571adbc12f856ffc96ab501df0352e7b3e04c Mon Sep 17 00:00:00 2001
From: "Gary E. Miller" <gem@rellim.com>
Date: Tue, 16 Aug 2016 13:53:28 -0700
Subject: __DARWIN_C_LEVEL and _DARWIN_C_SOURCE to silence some warnings.

vsnprintf() and strlcmp() are happier now.
---
 driver_ais.c   | 2 ++
 gpsctl.c       | 3 +++
 gpsd.c         | 4 ++++
 gpsd_json.c    | 4 ++++
 libgpsd_core.c | 3 +++
 timehint.c     | 4 ++++
 6 files changed, 20 insertions(+)

diff --git a/driver_ais.c b/driver_ais.c
index d8b984db..f7c5a790 100644
--- a/driver_ais.c
+++ b/driver_ais.c
@@ -18,6 +18,8 @@
 
 /* isascii() needs _XOPEN_SOURCE, 500 means X/Open 1995 */
 #define _XOPEN_SOURCE 500
+/* strlcpy() needs _DARWIN_C_SOURCE */
+#define _DARWIN_C_SOURCE
 
 #include <stdlib.h>
 #include <string.h>
diff --git a/gpsctl.c b/gpsctl.c
index ff1ea6b7..d7f59e56 100644
--- a/gpsctl.c
+++ b/gpsctl.c
@@ -9,6 +9,9 @@
 #define _XOPEN_SOURCE 500
 /* pselect() needs _POSIX_C_SOURCE >= 200112L */
 #define _POSIX_C_SOURCE 200112L
+/* strlcpy() needs _DARWIN_C_SOURCE */
+#define _DARWIN_C_SOURCE
+
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/gpsd.c b/gpsd.c
index f028a093..d1b404b5 100644
--- a/gpsd.c
+++ b/gpsd.c
@@ -10,6 +10,10 @@
 #define _XOPEN_SOURCE 500
 /* setgroups() and daemon() needs _DEFAULT_SOURCE */
 #define _DEFAULT_SOURCE
+/* vsnprintf() needs __DARWIN_C_LEVEL >= 200112L */
+#define __DARWIN_C_LEVEL 200112L
+/* strlcpy() needs _DARWIN_C_SOURCE */
+#define _DARWIN_C_SOURCE
 
 #include <sys/stat.h>
 #include <sys/types.h>
diff --git a/gpsd_json.c b/gpsd_json.c
index 822f26e4..5e10cd08 100644
--- a/gpsd_json.c
+++ b/gpsd_json.c
@@ -16,6 +16,10 @@ PERMISSIONS
 
 /* isascii() needs _XOPEN_SOURCE, 500 means X/Open 1995 */
 #define _XOPEN_SOURCE 500
+/* vsnprintf() needs __DARWIN_C_LEVEL >= 200112L */
+#define __DARWIN_C_LEVEL 200112L
+/* strlcpy() needs _DARWIN_C_SOURCE */
+#define _DARWIN_C_SOURCE
 
 #include <stdio.h>
 #include <math.h>
diff --git a/libgpsd_core.c b/libgpsd_core.c
index 41405ba5..b11d3223 100644
--- a/libgpsd_core.c
+++ b/libgpsd_core.c
@@ -14,6 +14,9 @@
 #define _XOPEN_SOURCE 500
 /* isfinite() and pselect() needs  _POSIX_C_SOURCE >= 200112L */
 #define  _POSIX_C_SOURCE 200112L
+/* strlcpy() needs _DARWIN_C_SOURCE */
+#define _DARWIN_C_SOURCE
+
 
 #include <time.h>
 #include <stdio.h>
diff --git a/timehint.c b/timehint.c
index 8bf200a5..ee6567a4 100644
--- a/timehint.c
+++ b/timehint.c
@@ -10,6 +10,10 @@
 
 /* nice() needs _XOPEN_SOURCE, 500 means X/Open 1995 */
 #define _XOPEN_SOURCE 500
+/* snprintf() needs __DARWIN_C_LEVEL >= 200112L */
+#define __DARWIN_C_LEVEL 200112L
+/* snprintf() needs _DARWIN_C_SOURCE */
+#define _DARWIN_C_SOURCE
 
 #include <string.h>
 #include <libgen.h>
-- 
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