ncurses/report_offsets.c

   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
  36 MODULE_ID("$Id: report_offsets.c,v 1.22 2021/08/19 19:51:33 tom 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
 106 int
 107 main(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 }