102 lines
3.0 KiB
C
102 lines
3.0 KiB
C
/*
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* librsrc - library for reading and writing Macintosh resources
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* Copyright (C) 1996-1998 Robert Leslie
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id: librsrc.h,v 1.5 1998/04/11 08:27:19 rob Exp $
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*/
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# include "rsrc.h"
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extern int errno;
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# define ERROR(code, str) \
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do { rsrc_error = (str), errno = (code); goto fail; } while (0)
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# ifdef DEBUG
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# define ASSERT(cond) do { if (! (cond)) abort(); } while (0)
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# else
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# define ASSERT(cond) /* nothing */
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# endif
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# define SIZE(type, n) ((size_t) (sizeof(type) * (n)))
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# define ALLOC(type, n) ((type *) malloc(SIZE(type, n)))
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# define ALLOCX(type, n) ((n) ? ALLOC(type, n) : (type *) 0)
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# define FREE(ptr) ((ptr) ? (void) free((void *) ptr) : (void) 0)
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# define REALLOC(ptr, type, n) \
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((type *) ((ptr) ? realloc(ptr, SIZE(type, n)) : malloc(SIZE(type, n))))
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# define REALLOCX(ptr, type, n) \
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((n) ? REALLOC(ptr, type, n) : (FREE(ptr), (type *) 0))
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# define BMTST(bm, num) \
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(((byte *) (bm))[(num) >> 3] & (0x80 >> ((num) & 0x07)))
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# define BMSET(bm, num) \
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(((byte *) (bm))[(num) >> 3] |= (0x80 >> ((num) & 0x07)))
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# define BMCLR(bm, num) \
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(((byte *) (bm))[(num) >> 3] &= ~(0x80 >> ((num) & 0x07)))
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# define STRINGIZE(x) #x
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# define STR(x) STRINGIZE(x)
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typedef unsigned char byte;
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typedef struct {
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unsigned long dstart;
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unsigned long mstart;
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unsigned long dlen;
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unsigned long mlen;
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} rsrchdr;
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typedef struct {
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byte *data;
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unsigned short attrs;
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byte *tlist;
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byte *nlist;
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} rsrcmap;
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# define RSRC_MAP_READONLY 0x0080 /* set to make file read-only */
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# define RSRC_MAP_COMPACT 0x0040 /* set to compact file on update */
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# define RSRC_MAP_CHANGED 0x0020 /* set to write map on update */
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# define RSRC_RES_SYSHEAP 0x40 /* set if read into system heap */
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# define RSRC_RES_PURGEABLE 0x20 /* set if purgeable */
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# define RSRC_RES_LOCKED 0x10 /* set if locked */
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# define RSRC_RES_PROTECTED 0x08 /* set if protected */
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# define RSRC_RES_PRELOAD 0x04 /* set if to be preloaded */
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# define RSRC_RES_CHANGED 0x02 /* set if to be written to rsrc fork */
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struct _rsrcfile_ {
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void *priv; /* file-dependent private data */
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struct rsrcprocs procs; /* procedures for accessing the file path */
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rsrchdr hdr; /* resource header */
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rsrcmap map; /* resource map */
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};
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typedef struct {
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struct _rsrcfile_ *rfile;
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const byte *ritem;
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unsigned short attrs;
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unsigned long len;
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byte data[1];
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} rsrchandle;
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