projects / unix-history / blame
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| fe902645 | 1 | /* |
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2 | * Copyright (c) 1988, 1989, 1990 The Regents of the University of California. |
| 3 | * Copyright (c) 1988, 1989 by Adam de Boor | |
| 4 | * Copyright (c) 1989 by Berkeley Softworks | |
| 5 | * All rights reserved. | |
| fe902645 | 6 | * |
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7 | * This code is derived from software contributed to Berkeley by |
| 8 | * Adam de Boor. | |
| fe902645 | 9 | * |
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10 | * Redistribution and use in source and binary forms are permitted |
| 11 | * provided that the above copyright notice and this paragraph are | |
| 12 | * duplicated in all such forms and that any documentation, | |
| 13 | * advertising materials, and other materials related to such | |
| 14 | * distribution and use acknowledge that the software was developed | |
| 15 | * by the University of California, Berkeley. The name of the | |
| 16 | * University may not be used to endorse or promote products derived | |
| 17 | * from this software without specific prior written permission. | |
| 18 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 19 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| fe902645 | 21 | * |
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22 | * @(#)sprite.h 5.2 (Berkeley) %G% |
| 23 | */ | |
| 24 | ||
| 25 | /* | |
| 26 | * sprite.h -- | |
| fe902645 | 27 | * |
| b0ff1758 | 28 | * Common constants and type declarations for Sprite. |
| fe902645 KB |
29 | */ |
| 30 | ||
| 31 | #ifndef _SPRITE | |
| 32 | #define _SPRITE | |
| 33 | ||
| 34 | ||
| 35 | /* | |
| 36 | * A boolean type is defined as an integer, not an enum. This allows a | |
| 37 | * boolean argument to be an expression that isn't strictly 0 or 1 valued. | |
| 38 | */ | |
| 39 | ||
| 40 | typedef int Boolean; | |
| 41 | #ifndef TRUE | |
| 42 | #define TRUE 1 | |
| 43 | #endif TRUE | |
| 44 | #ifndef FALSE | |
| 45 | #define FALSE 0 | |
| 46 | #endif FALSE | |
| 47 | ||
| 48 | /* | |
| 49 | * Functions that must return a status can return a ReturnStatus to | |
| 50 | * indicate success or type of failure. | |
| 51 | */ | |
| 52 | ||
| 53 | typedef int ReturnStatus; | |
| 54 | ||
| 55 | /* | |
| 56 | * The following statuses overlap with the first 2 generic statuses | |
| 57 | * defined in status.h: | |
| 58 | * | |
| 59 | * SUCCESS There was no error. | |
| 60 | * FAILURE There was a general error. | |
| 61 | */ | |
| 62 | ||
| 63 | #define SUCCESS 0x00000000 | |
| 64 | #define FAILURE 0x00000001 | |
| 65 | ||
| 66 | ||
| 67 | /* | |
| 68 | * A nil pointer must be something that will cause an exception if | |
| 69 | * referenced. There are two nils: the kernels nil and the nil used | |
| 70 | * by user processes. | |
| 71 | */ | |
| 72 | ||
| 73 | #define NIL 0xFFFFFFFF | |
| 74 | #define USER_NIL 0 | |
| 75 | #ifndef NULL | |
| 76 | #define NULL 0 | |
| 77 | #endif NULL | |
| 78 | ||
| 79 | /* | |
| 80 | * An address is just a pointer in C. It is defined as a character pointer | |
| 81 | * so that address arithmetic will work properly, a byte at a time. | |
| 82 | */ | |
| 83 | ||
| 84 | typedef char *Address; | |
| 85 | ||
| 86 | /* | |
| 87 | * ClientData is an uninterpreted word. It is defined as an int so that | |
| 88 | * kdbx will not interpret client data as a string. Unlike an "Address", | |
| 89 | * client data will generally not be used in arithmetic. | |
| 90 | */ | |
| 91 | ||
| 92 | typedef int *ClientData; | |
| 93 | ||
| 94 | #ifdef notdef | |
| 95 | #include "status.h" | |
| 96 | #endif | |
| 97 | ||
| 98 | #endif _SPRITE |