From 1e48821ba109b00e9c2931f12aa206c4ef54fd71 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Mon, 24 Apr 2017 12:34:55 -0700
Subject: [PATCH] libgeis: Compare the first character of string to null

gcc7 wants to be specific when it comes to comparing characters
and strings

fixes

| ../../../../../../../workspace/sources/geis/libgeis/geis_v1.c: In function '_v1_subscribe_device':
| ../../../../../../../workspace/sources/geis/libgeis/geis_v1.c:613:20: error: comparison between pointer and zero character constant [-Werror=pointer-compare]

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 libgeis/geis_v1.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libgeis/geis_v1.c b/libgeis/geis_v1.c
index 67045ee..07c0851 100644
--- a/libgeis/geis_v1.c
+++ b/libgeis/geis_v1.c
@@ -610,7 +610,7 @@ _v1_subscribe_device(GeisInstance instance,
                      const char **gesture_list)
 {
   GeisStatus result = GEIS_UNKNOWN_ERROR;
-  if (gesture_list == GEIS_ALL_GESTURES)
+  if (gesture_list[0][0] == GEIS_ALL_GESTURES)
   {
     geis_debug("subscribing device %d for all gestures", device_id);
   }
@@ -757,7 +757,7 @@ geis_unsubscribe(GeisInstance     instance,
                  GeisGestureType *gesture_list)
 {
   GeisStatus status = GEIS_STATUS_NOT_SUPPORTED;
-  if (gesture_list == GEIS_ALL_GESTURES)
+  if (gesture_list[0] == GEIS_ALL_GESTURES)
   {
     status = geis_subscription_deactivate(instance->subscription);
   }
-- 
2.12.2