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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  * Copyright (C) 2016 Mopria Alliance, Inc.
      4  * Copyright (C) 2013 Hewlett-Packard Development Company, L.P.
      5  *
      6  * Licensed under the Apache License, Version 2.0 (the "License");
      7  * you may not use this file except in compliance with the License.
      8  * You may obtain a copy of the License at
      9  *
     10  *      http://www.apache.org/licenses/LICENSE-2.0
     11  *
     12  * Unless required by applicable law or agreed to in writing, software
     13  * distributed under the License is distributed on an "AS IS" BASIS,
     14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     15  * See the License for the specific language governing permissions and
     16  * limitations under the License.
     17  */
     18 #ifndef __WTYPES_H__
     19 #define __WTYPES_H__
     20 
     21 #include <stddef.h>
     22 #include <stdbool.h>
     23 
     24 /*
     25  * A return type for functions.
     26  */
     27 typedef enum {
     28     /* Request succeeded */
     29     OK = 0,
     30 
     31     /* Request failed due to an unspecified error */
     32     ERROR = -1,
     33 
     34     /* Request failed because it was cancelled */
     35     CANCELLED = -2,
     36 
     37     /* Request failed because corrupt data was detected */
     38     CORRUPT = -3,
     39 } status_t;
     40 
     41 #define ARRAY_SIZE(X) (sizeof(X)/sizeof(X[0]))
     42 
     43 #ifndef MIN
     44 #define MIN(x, y) (((x) < (y)) ? (x) : (y))
     45 #endif
     46 
     47 #ifndef MAX
     48 #define MAX(x, y) (((x) > (y)) ? (x) : (y))
     49 #endif
     50 
     51 /*
     52  * Return a the pointer of an enclosing structure from the address of one of its members, where
     53  * "class" is the enclosing structure type, "member" is the name of structure member, and
     54  * "pointer" is that member's pointer.
     55  */
     56 #define IMPL(class, member, pointer) ( (class *)( ((uint32)pointer) - offsetof(class, member) ) )
     57 
     58 typedef unsigned char ubyte;
     59 typedef unsigned char uint8;
     60 typedef unsigned short uint16;
     61 typedef signed short sint16;
     62 typedef signed long sint32;
     63 typedef unsigned long uint32;
     64 typedef unsigned long long uint64;
     65 
     66 /** A job handle */
     67 typedef unsigned long wJob_t;
     68 
     69 #endif // __WTYPES_H__