From 05a9206a4f14cca24a990d1320a19d01b9fefb28 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Sun, 5 Apr 2015 18:44:24 -0400
Subject: [PATCH] Add some SDL_SetError() calls to the dollar gesture code
 (thanks, Martin!).

Fixes Bugzilla #2673.
---
 src/events/SDL_gesture.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/events/SDL_gesture.c b/src/events/SDL_gesture.c
index 46a554635d32a..28b85add72759 100644
--- a/src/events/SDL_gesture.c
+++ b/src/events/SDL_gesture.c
@@ -184,7 +184,7 @@ static int SDL_AddDollarGesture(SDL_GestureTouch* inTouch, SDL_FloatPoint* path)
     int index = -1;
     int i = 0;
     if (inTouch == NULL) {
-        if (SDL_numGestureTouches == 0) return -1;
+        if (SDL_numGestureTouches == 0) return SDL_SetError("no gesture touch devices registered");
         for (i = 0; i < SDL_numGestureTouches; i++) {
             inTouch = &SDL_gestureTouch[i];
             index = SDL_AddDollarGesture_one(inTouch, path);
@@ -206,7 +206,7 @@ int SDL_LoadDollarTemplates(SDL_TouchID touchId, SDL_RWops *src)
         for (i = 0; i < SDL_numGestureTouches; i++)
             if (SDL_gestureTouch[i].id == touchId)
                 touch = &SDL_gestureTouch[i];
-        if (touch == NULL) return -1;
+        if (touch == NULL) return SDL_SetError("given touch id not found");
     }
 
     while (1) {