1 /* xpk/amigalibs.h -- the Amiga compatibility header file 2 * Copyright (C) 1999-2000 Vesa Halttunen 3 * This file is part of the xpk package. 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 18 * USA. 19 */ 20 21 #ifndef _AMIGALIBS_H_ 22 #define _AMIGALIBS_H_ 23 24 #include <sys/types.h> 25 26 typedef unsigned int Tag; 27 28 struct TagItem 29 { 30 /* identifies the type of data */ 31 Tag ti_Tag; 32 /* type-specific data */ 33 void *ti_Data; 34 }; 35 36 /* constants for Tag.ti_Tag, control tag values */ 37 /* terminates array of TagItems. ti_Data unused */ 38 #define TAG_DONE (0L) 39 /* synonym for TAG_DONE */ 40 #define TAG_END (0L) 41 /* ignore this item, not end of array */ 42 #define TAG_IGNORE (1L) 43 /* ti_Data is pointer to another array of TagItems 44 * note that this tag terminates the current array */ 45 #define TAG_MORE (2L) 46 /* skip this and the next ti_Data items */ 47 #define TAG_SKIP (3L) 48 49 /* differentiates user tags from control tags */ 50 #define TAG_USER ((unsigned int)(1L<<31)) 51 52 /* If the TAG_USER bit is set in a tag number, it tells utility.library that 53 * the tag is not a control tag (like TAG_DONE, TAG_IGNORE, TAG_MORE) and is 54 * instead an application tag. "USER" means a client of utility.library in 55 * general, including system code like Intuition or ASL, it has nothing to do 56 * with user code. */ 57 58 /* Tag filter logic specifiers for use with FilterTagItems() */ 59 /* exclude everything but filter hits */ 60 #define TAGFILTER_AND 0 61 /* exclude only filter hits */ 62 #define TAGFILTER_NOT 1 63 64 /* Mapping types for use with MapTags() */ 65 /* remove tags that aren't in mapList */ 66 #define MAP_REMOVE_NOT_FOUND 0 67 /* keep tags that aren't in mapList */ 68 #define MAP_KEEP_NOT_FOUND 1 69 70 /* minimal node -- no type checking possible */ 71 struct MinNode { 72 struct MinNode *mln_Succ; 73 struct MinNode *mln_Pred; 74 }; 75 76 struct Hook 77 { 78 struct MinNode h_MinNode; 79 unsigned int (*h_Entry)(); /* assembler entry point */ 80 unsigned int (*h_SubEntry)(); /* often HLL entry point */ 81 unsigned char *h_Data; /* owner specific */ 82 }; 83 84 #endif /* TAGITEM_H */ 85