ncurses/report_offsets.c

   1 /****************************************************************************
   2  * Copyright (c) 2017,2018 Free Software Foundation, Inc.                   *
   3  *                                                                          *
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  10  * furnished to do so, subject to the following conditions:                 *
  11  *                                                                          *
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  13  * in all copies or substantial portions of the Software.                   *
  14  *                                                                          *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
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  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
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  25  * sale, use or other dealings in this Software without prior written       *
  26  * authorization.                                                           *
  27  ****************************************************************************/
  28
  29 /****************************************************************************
  30  *  Author: Thomas E. Dickey                                                *
  31  ****************************************************************************/
  32
  33 #include <curses.priv.h>
  34
  35 MODULE_ID("$Id: report_offsets.c,v 1.20 2018/07/07 19:25:40 tom Exp $")
  36
  37 #define show_size(type) \
  38         flag = 0; \
  39         last = 0; \
  40         printf("%5lu   " #type "\n", (unsigned long)sizeof(type))
  41 #define show_offset(type,member) \
  42         next = (unsigned long)offsetof(type,member); \
  43         if (last > next) \
  44                 printf("?? incorrect order for " #type "." #member "\n"); \
  45         printf("%5lu %c " #type "." #member "\n", next, flag ? *flag : ' '); \
  46         last = next; \
  47         flag = 0
  48
  49 #if NCURSES_WIDECHAR && NCURSES_EXT_COLORS
  50 #define show_COLORS(type,member) { flag = "c"; show_offset(type,member); }
  51 #else
  52 #define show_COLORS(type,member)        /* nothing */
  53 #endif
  54
  55 #ifdef USE_TERM_DRIVER
  56 #define show_DRIVER(type,member) { flag = "d"; show_offset(type,member); }
  57 #else
  58 #define show_DRIVER(type,member)        /* nothing */
  59 #endif
  60
  61 #if NO_LEAKS
  62 #define show_MLEAKS(type,member) { flag = "L"; show_offset(type,member); }
  63 #else
  64 #define show_MLEAKS(type,member)        /* nothing */
  65 #endif
  66
  67 #ifdef USE_TERM_DRIVER
  68 #define show_NORMAL(type,member)        /* nothing */
  69 #else
  70 #define show_NORMAL(type,member) { flag = "n"; show_offset(type,member); }
  71 #endif
  72
  73 #define show_OPTION(type,member) { flag = "+"; show_offset(type,member); }
  74
  75 #if USE_REENTRANT
  76 #define show_REENTR(type,member) { flag = "r"; show_offset(type,member); }
  77 #else
  78 #define show_REENTR(type,member)        /* nothing */
  79 #endif
  80
  81 #if NCURSES_SP_FUNCS
  82 #define show_SPFUNC(type,member) { flag = "s"; show_offset(type,member); }
  83 #else
  84 #define show_SPFUNC(type,member)        /* nothing */
  85 #endif
  86
  87 #ifdef USE_PTHREADS
  88 #define show_THREAD(type,member) { flag = "t"; show_offset(type,member); }
  89 #else
  90 #define show_THREAD(type,member)        /* nothing */
  91 #endif
  92
  93 #ifdef TRACE
  94 #define show_TRACES(type,member) { flag = "T"; show_offset(type,member); }
  95 #else
  96 #define show_TRACES(type,member)        /* nothing */
  97 #endif
  98
  99 #if USE_WIDEC_SUPPORT
 100 #define show_WIDECH(type,member) { flag = "w"; show_offset(type,member); }
 101 #else
 102 #define show_WIDECH(type,member)        /* nothing */
 103 #endif
 104
 105 int
 106 main(void)
 107 {
 108     const char *flag = 0;
 109     unsigned long last, next;
 110
 111     printf("Size/offsets of data structures:\n");
 112
 113     show_size(attr_t);
 114     show_size(chtype);
 115 #if USE_WIDEC_SUPPORT
 116     show_size(cchar_t);
 117 #endif
 118     show_size(mmask_t);
 119     show_size(MEVENT);
 120     show_size(NCURSES_BOOL);
 121
 122     printf("\n");
 123     show_size(SCREEN);
 124     show_offset(SCREEN, _ifd);
 125     show_offset(SCREEN, _fifo);
 126     show_offset(SCREEN, _fifohead);
 127     show_offset(SCREEN, _direct_color);
 128     show_offset(SCREEN, _panelHook);
 129     show_offset(SCREEN, jump);
 130     show_offset(SCREEN, rsp);
 131 #if NCURSES_NO_PADDING
 132     show_OPTION(SCREEN, _no_padding);
 133 #endif
 134 #if USE_HARD_TABS
 135     show_OPTION(SCREEN, _ht_cost);
 136 #endif
 137 #if USE_ITALIC
 138     show_OPTION(SCREEN, _use_ritm);
 139 #endif
 140 #if USE_KLIBC_KBD
 141     show_OPTION(SCREEN, _extended_key);
 142 #endif
 143 #if NCURSES_EXT_FUNCS
 144     show_OPTION(SCREEN, _assumed_color);
 145 #endif
 146 #if USE_GPM_SUPPORT
 147     show_OPTION(SCREEN, _mouse_gpm_loaded);
 148 #ifdef HAVE_LIBDL
 149     show_OPTION(SCREEN, _dlopen_gpm);
 150 #endif
 151 #endif
 152 #if USE_EMX_MOUSE
 153     show_OPTION(SCREEN, _emxmouse_wfd);
 154 #endif
 155 #if USE_SYSMOUSE
 156     show_OPTION(SCREEN, _sysmouse_fifo);
 157 #endif
 158     show_DRIVER(SCREEN, _drv_mouse_fifo);
 159 #if USE_SIZECHANGE
 160     show_OPTION(SCREEN, _resize);
 161 #endif
 162     show_DRIVER(SCREEN, _windowlist);
 163     show_REENTR(SCREEN, _ttytype);
 164     show_SPFUNC(SCREEN, use_tioctl);
 165     show_WIDECH(SCREEN, _screen_acs_fix);
 166     show_COLORS(SCREEN, _ordered_pairs);
 167     show_TRACES(SCREEN, tracechr_buf);
 168
 169     printf("\n");
 170     show_size(TERMINAL);
 171     show_offset(TERMINAL, type);
 172     show_offset(TERMINAL, Filedes);
 173     show_offset(TERMINAL, Ottyb);
 174     show_offset(TERMINAL, Nttyb);
 175     show_offset(TERMINAL, _baudrate);
 176     show_offset(TERMINAL, _termname);
 177 #if HAVE_INIT_EXTENDED_COLOR
 178     show_COLORS(TERMINAL, type2);
 179 #endif
 180
 181     printf("\n");
 182     show_size(TERMTYPE);
 183 #if NCURSES_XNAMES
 184     show_OPTION(TERMTYPE, ext_str_table);
 185     show_OPTION(TERMTYPE, ext_Strings);
 186 #endif
 187
 188     printf("\n");
 189     show_size(WINDOW);
 190     show_WIDECH(WINDOW, _bkgrnd);
 191     show_COLORS(WINDOW, _color);
 192
 193     printf("\n");
 194     show_size(NCURSES_GLOBALS);
 195     show_offset(NCURSES_GLOBALS, init_signals);
 196     show_DRIVER(NCURSES_GLOBALS, term_driver);
 197     show_NORMAL(NCURSES_GLOBALS, _nc_windowlist);
 198 #if USE_HOME_TERMINFO
 199     show_OPTION(NCURSES_GLOBALS, home_terminfo);
 200 #endif
 201 #if !USE_SAFE_SPRINTF
 202     show_OPTION(NCURSES_GLOBALS, safeprint_rows);
 203 #endif
 204     show_THREAD(NCURSES_GLOBALS, mutex_curses);
 205 #if USE_PTHREADS_EINTR
 206     show_THREAD(NCURSES_GLOBALS, read_thread);
 207 #endif
 208     show_WIDECH(NCURSES_GLOBALS, key_name);
 209     show_TRACES(NCURSES_GLOBALS, trace_opened);
 210     show_MLEAKS(NCURSES_GLOBALS, leak_checking);
 211
 212     printf("\n");
 213     show_size(NCURSES_PRESCREEN);
 214     show_offset(NCURSES_PRESCREEN, saved_tty);
 215     show_offset(NCURSES_PRESCREEN, use_tioctl);
 216     show_offset(NCURSES_PRESCREEN, _outch);
 217     show_NORMAL(NCURSES_PRESCREEN, rippedoff);
 218 #if NCURSES_NO_PADDING
 219     show_OPTION(NCURSES_PRESCREEN, _no_padding);
 220 #endif
 221 #if BROKEN_LINKER
 222     show_offset(NCURSES_PRESCREEN, real_acs_map);
 223 #else
 224     show_REENTR(NCURSES_PRESCREEN, real_acs_map);
 225 #endif
 226
 227     return EXIT_SUCCESS;
 228 }