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