//----------------------------------------------------------------------------//
//                           GNU GPL OS/K                                     //
//                                                                            //
//  Authors:    spectral`                                                     //
//              NeoX                                                          //
//                                                                            //
//  Desc:       Kaleid general preprocessor constants                         //
//----------------------------------------------------------------------------//

#ifndef _KALDEFS_H
#define _KALDEFS_H

//------------------------------------------//
//            Actual constants              //
//------------------------------------------//

#ifndef TRUE
#define TRUE 1
#endif

#ifndef FALSE
#define FALSE 0
#endif

#ifndef NULL
#define NULL ((void *)0)
#endif

#ifndef INITOK
#define INITOK ((unsigned int)0xCAFEBABE)
#endif

#ifndef DATA_SIZE_BLOCK
#define DATA_SIZE_BLOCK
#   define BYTE_SIZE        sizeof(char)
#   define WORD_SIZE        sizeof(short)
#   define DWORD_SIZE       sizeof(int)
#   define QWORD_SIZE       sizeof(long)
#endif

#ifndef DATA_ALIGN_BLOCK
#define DATA_ALIGN_BLOCK
#   define BYTE_ALIGN       alignof(char)
#   define WORD_ALIGN       alignof(short)
#   define DWORD_ALIGN      alignof(int)
#   define QWORD_ALIGN      alignof(long)
#endif

//------------------------------------------//
//         Keywords and attributes          //
//------------------------------------------//

#ifndef PACKED
#define PACKED __attribute__((packed))
#endif

#ifndef noreturn
#define noreturn __attribute__((noreturn))
#endif

#ifndef alignof
#define alignof _Alignof
#endif

#ifndef likely
#define likely(x)   (__builtin_expect((x), 1))
#endif

#ifndef unlikely(x)
#define unlikely(x) (__builtin_expect((x), 0))
#endif

//------------------------------------------//
//           API specific macros            //
//------------------------------------------//

#ifndef KALAPI
#   define KALAPI
#endif

//------------------------------------------//
//           Values for APIRET              //
//------------------------------------------//

#define STATUS_FAILED(x)  ((x) < 0))
#define STATUS_SUCCESS(x) (!STATUS_FAILED(x))

#define SUCCESS            (0)          // everything went fine

#define FAILED             (-1)
#define ERROR              FAILED       // something went wrong
#define NOT_PERMITTED      (-2)
#define ACCESS_DENIED      (-3)

#define BAD_ARGUMENT      (-4)         // invalid arguments
#define BAD_ARG_RANGE     (-5)         // arguments out of range
#define BAD_ARG_NULL      (-6)         // unexpected NULL argument

#define TRY_AGAIN         (-7)         // EAGAIN

//------------------------------------------//
//             End of <kaldefs.h>           //
//------------------------------------------//

#endif