1/****************************************************************************
2 * Copyright 2018-2020,2021 Thomas E. Dickey                                *
3 * Copyright 2017 Free Software Foundation, Inc.                            *
4 *                                                                          *
5 * Permission is hereby granted, free of charge, to any person obtaining a  *
6 * copy of this software and associated documentation files (the            *
7 * "Software"), to deal in the Software without restriction, including      *
8 * without limitation the rights to use, copy, modify, merge, publish,      *
9 * distribute, distribute with modifications, sublicense, and/or sell       *
10 * copies of the Software, and to permit persons to whom the Software is    *
11 * furnished to do so, subject to the following conditions:                 *
12 *                                                                          *
13 * The above copyright notice and this permission notice shall be included  *
14 * in all copies or substantial portions of the Software.                   *
15 *                                                                          *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
23 *                                                                          *
24 * Except as contained in this notice, the name(s) of the above copyright   *
25 * holders shall not be used in advertising or otherwise to promote the     *
26 * sale, use or other dealings in this Software without prior written       *
27 * authorization.                                                           *
28 ****************************************************************************/
29
30/****************************************************************************
31 *  Author: Thomas E. Dickey                                                *
32 ****************************************************************************/
33
34#include <curses.priv.h>
35
36MODULE_ID("$Id: report_offsets.c,v 1.1 2023/10/17 09:52:08 nicm Exp $")
37
38#define show_size(type) \
39	flag = 0; \
40	last = 0; \
41	printf("%5lu   " #type "\n", (unsigned long)sizeof(type))
42#define show_offset(type,member) \
43	next = (unsigned long)offsetof(type,member); \
44	if (last > next) \
45		printf("?? incorrect order for " #type "." #member "\n"); \
46	printf("%5lu %c " #type "." #member "\n", next, flag ? *flag : ' '); \
47	last = next; \
48	flag = 0
49
50#if NCURSES_WIDECHAR && NCURSES_EXT_COLORS
51#define show_COLORS(type,member) { flag = "c"; show_offset(type,member); }
52#else
53#define show_COLORS(type,member)	/* nothing */
54#endif
55
56#ifdef USE_TERM_DRIVER
57#define show_DRIVER(type,member) { flag = "d"; show_offset(type,member); }
58#else
59#define show_DRIVER(type,member)	/* nothing */
60#endif
61
62#if NO_LEAKS
63#define show_MLEAKS(type,member) { flag = "L"; show_offset(type,member); }
64#else
65#define show_MLEAKS(type,member)	/* nothing */
66#endif
67
68#ifdef USE_TERM_DRIVER
69#define show_NORMAL(type,member)	/* nothing */
70#else
71#define show_NORMAL(type,member) { flag = "n"; show_offset(type,member); }
72#endif
73
74#define show_OPTION(type,member) { flag = "+"; show_offset(type,member); }
75
76#if USE_REENTRANT
77#define show_REENTR(type,member) { flag = "r"; show_offset(type,member); }
78#else
79#define show_REENTR(type,member)	/* nothing */
80#endif
81
82#if NCURSES_SP_FUNCS
83#define show_SPFUNC(type,member) { flag = "s"; show_offset(type,member); }
84#else
85#define show_SPFUNC(type,member)	/* nothing */
86#endif
87
88#ifdef USE_PTHREADS
89#define show_THREAD(type,member) { flag = "t"; show_offset(type,member); }
90#else
91#define show_THREAD(type,member)	/* nothing */
92#endif
93
94#ifdef TRACE
95#define show_TRACES(type,member) { flag = "T"; show_offset(type,member); }
96#else
97#define show_TRACES(type,member)	/* nothing */
98#endif
99
100#if USE_WIDEC_SUPPORT
101#define show_WIDECH(type,member) { flag = "w"; show_offset(type,member); }
102#else
103#define show_WIDECH(type,member)	/* nothing */
104#endif
105
106int
107main(void)
108{
109    const char *flag = 0;
110    unsigned long last, next;
111
112    printf("Size/offsets of data structures:\n");
113
114    show_size(attr_t);
115    show_size(chtype);
116#if USE_WIDEC_SUPPORT
117    show_size(cchar_t);
118#endif
119    show_size(mmask_t);
120    show_size(MEVENT);
121    show_size(NCURSES_BOOL);
122
123    printf("\n");
124    show_size(SCREEN);
125    show_offset(SCREEN, _ifd);
126    show_offset(SCREEN, _fifo);
127    show_offset(SCREEN, _fifohead);
128    show_offset(SCREEN, _direct_color);
129    show_offset(SCREEN, _panelHook);
130    show_offset(SCREEN, jump);
131    show_offset(SCREEN, rsp);
132#if NCURSES_NO_PADDING
133    show_OPTION(SCREEN, _no_padding);
134#endif
135#if USE_HARD_TABS
136    show_OPTION(SCREEN, _ht_cost);
137#endif
138#if USE_ITALIC
139    show_OPTION(SCREEN, _use_ritm);
140#endif
141#if USE_KLIBC_KBD
142    show_OPTION(SCREEN, _extended_key);
143#endif
144#if NCURSES_EXT_FUNCS
145    show_OPTION(SCREEN, _assumed_color);
146#endif
147#if USE_GPM_SUPPORT
148    show_OPTION(SCREEN, _mouse_gpm_loaded);
149#ifdef HAVE_LIBDL
150    show_OPTION(SCREEN, _dlopen_gpm);
151#endif
152#endif
153#if USE_EMX_MOUSE
154    show_OPTION(SCREEN, _emxmouse_wfd);
155#endif
156#if USE_SYSMOUSE
157    show_OPTION(SCREEN, _sysmouse_fifo);
158#endif
159    show_DRIVER(SCREEN, _drv_mouse_fifo);
160#if USE_SIZECHANGE
161    show_OPTION(SCREEN, _resize);
162#endif
163    show_DRIVER(SCREEN, _windowlist);
164    show_REENTR(SCREEN, _ttytype);
165    show_SPFUNC(SCREEN, use_tioctl);
166    show_WIDECH(SCREEN, _screen_acs_fix);
167    show_COLORS(SCREEN, _ordered_pairs);
168    show_TRACES(SCREEN, tracechr_buf);
169
170    printf("\n");
171    show_size(TERMINAL);
172    show_offset(TERMINAL, type);
173    show_offset(TERMINAL, Filedes);
174    show_offset(TERMINAL, Ottyb);
175    show_offset(TERMINAL, Nttyb);
176    show_offset(TERMINAL, _baudrate);
177    show_offset(TERMINAL, _termname);
178    show_offset(TERMINAL, tparm_state);
179#if HAVE_INIT_EXTENDED_COLOR
180    show_COLORS(TERMINAL, type2);
181#endif
182
183    printf("\n");
184    show_size(TERMTYPE);
185#if NCURSES_XNAMES
186    show_OPTION(TERMTYPE, ext_str_table);
187    show_OPTION(TERMTYPE, ext_Strings);
188#endif
189
190    printf("\n");
191    show_size(TPARM_STATE);
192    show_offset(TPARM_STATE, stack);
193    show_offset(TPARM_STATE, stack_ptr);
194    show_offset(TPARM_STATE, out_buff);
195    show_offset(TPARM_STATE, fmt_buff);
196    show_offset(TPARM_STATE, static_vars);
197    show_TRACES(TPARM_STATE, tname);
198
199    printf("\n");
200    show_size(WINDOW);
201    show_WIDECH(WINDOW, _bkgrnd);
202    show_COLORS(WINDOW, _color);
203
204    printf("\n");
205    show_size(NCURSES_GLOBALS);
206    show_offset(NCURSES_GLOBALS, init_signals);
207    show_offset(NCURSES_GLOBALS, tgetent_cache);
208    show_offset(NCURSES_GLOBALS, dbd_vars);
209#if HAVE_TSEARCH
210    show_offset(NCURSES_GLOBALS, cached_tparm);
211#endif
212    show_DRIVER(NCURSES_GLOBALS, term_driver);
213    show_NORMAL(NCURSES_GLOBALS, _nc_windowlist);
214#if USE_HOME_TERMINFO
215    show_OPTION(NCURSES_GLOBALS, home_terminfo);
216#endif
217#if !USE_SAFE_SPRINTF
218    show_OPTION(NCURSES_GLOBALS, safeprint_rows);
219#endif
220    show_THREAD(NCURSES_GLOBALS, mutex_curses);
221#if USE_PTHREADS_EINTR
222    show_THREAD(NCURSES_GLOBALS, read_thread);
223#endif
224    show_WIDECH(NCURSES_GLOBALS, key_name);
225    show_TRACES(NCURSES_GLOBALS, trace_opened);
226    show_MLEAKS(NCURSES_GLOBALS, leak_checking);
227
228    printf("\n");
229    show_size(NCURSES_PRESCREEN);
230    show_offset(NCURSES_PRESCREEN, tparm_state);
231    show_offset(NCURSES_PRESCREEN, saved_tty);
232    show_offset(NCURSES_PRESCREEN, use_tioctl);
233    show_offset(NCURSES_PRESCREEN, _outch);
234#ifndef USE_SP_RIPOFF
235    show_NORMAL(NCURSES_PRESCREEN, rippedoff);
236#endif
237#if NCURSES_NO_PADDING
238    show_OPTION(NCURSES_PRESCREEN, _no_padding);
239#endif
240#if BROKEN_LINKER
241    show_offset(NCURSES_PRESCREEN, real_acs_map);
242#else
243    show_REENTR(NCURSES_PRESCREEN, real_acs_map);
244#endif
245#if BROKEN_LINKER || USE_REENTRANT
246    show_TRACES(NCURSES_PRESCREEN, _outchars);
247#endif
248
249    return EXIT_SUCCESS;
250}
251