1 // Copyright 2012 Intel Corporation
2 //
3 // All rights reserved.
4 //
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are met:
7 //
8 // - Redistributions of source code must retain the above copyright notice, this
9 //   list of conditions and the following disclaimer.
10 //
11 // - Redistributions in binary form must reproduce the above copyright notice,
12 //   this list of conditions and the following disclaimer in the documentation
13 //   and/or other materials provided with the distribution.
14 //
15 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 
26 #include <stdio.h>
27 #include <stdlib.h>
28 
29 #include "api_object.h"
30 #include "api_priv.h"
31 
32 #include "wcore_error.h"
33 #include "wcore_platform.h"
34 
35 struct wcore_platform *api_platform = 0;
36 
37 bool
api_check_entry(const struct api_object * obj_list[],int length)38 api_check_entry(const struct api_object *obj_list[], int length)
39 {
40     wcore_error_reset();
41 
42     if (!api_platform) {
43         wcore_error(WAFFLE_ERROR_NOT_INITIALIZED);
44         return false;
45     }
46 
47     for (int i = 0; i < length; ++i) {
48         if (obj_list[i] == NULL) {
49             wcore_errorf(WAFFLE_ERROR_BAD_PARAMETER, "null pointer");
50             return false;
51         }
52 
53         if (obj_list[i]->display_id != obj_list[0]->display_id) {
54             wcore_error(WAFFLE_ERROR_BAD_DISPLAY_MATCH);
55             return false;
56         }
57     }
58 
59     return true;
60 }
61