ncurses 6.0 - patch 20170603

[ncurses.git] / ncurses / report_offsets.c

diff --git a/ncurses/report_offsets.c b/ncurses/report_offsets.c
new file mode 100644 (file)
index 0000000..ed39b51
--- /dev/null
+++ b/ncurses/report_offsets.c
@@ -0,0 +1,111 @@
+/****************************************************************************
+ * Copyright (c) 2017 Free Software Foundation, Inc.                        *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *  Author: Thomas E. Dickey                                                *
+ ****************************************************************************/
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id: report_offsets.c,v 1.5 2017/06/03 13:52:28 tom Exp $")
+
+#define show_size(type) \
+       printf("%6ld\t" #type "\n", (long)sizeof(type))
+#define show_offset(type,member) \
+       printf("%6ld\t" #type "." #member "\n", (long)offsetof(type,member))
+
+int
+main(void)
+{
+    printf("Size/offsets of data structures:\n");
+
+    show_size(attr_t);
+    show_size(chtype);
+#if NCURSES_WIDECHAR
+    show_size(cchar_t);
+#endif
+    show_size(mmask_t);
+    show_size(MEVENT);
+    show_size(NCURSES_BOOL);
+
+    printf("\n");
+    show_size(SCREEN);
+    show_offset(SCREEN, _panelHook);
+#if USE_REENTRANT
+    show_offset(SCREEN, _ttytype);
+#endif
+#ifdef TRACE
+    show_offset(SCREEN, tracechr_buf);
+#endif
+#ifdef USE_SP_WINDOWLIST
+    show_offset(SCREEN, _windowlist);
+#endif
+    show_offset(SCREEN, rsp);
+#if NCURSES_EXT_FUNCS
+#if USE_NEW_PAIR
+    show_offset(SCREEN, _ordered_pairs);
+#endif
+#if NCURSES_SP_FUNCS
+    show_offset(SCREEN, use_tioctl);
+#endif
+#endif
+#if USE_WIDEC_SUPPORT
+    show_offset(SCREEN, _screen_acs_fix);
+#endif
+
+    printf("\n");
+    show_size(TERMINAL);
+    show_offset(TERMINAL, type);
+    show_offset(TERMINAL, Filedes);
+#if defined(TERMIOS)
+    show_offset(TERMINAL, Ottyb);
+    show_offset(TERMINAL, Nttyb);
+#endif
+    show_offset(TERMINAL, _baudrate);
+    show_offset(TERMINAL, _termname);
+#if NCURSES_EXT_COLORS && HAVE_INIT_EXTENDED_COLOR
+    show_offset(TERMINAL, type2);
+#endif
+
+    printf("\n");
+    show_size(TERMTYPE);
+#if NCURSES_XNAMES
+    show_offset(TERMTYPE, ext_str_table);
+    show_offset(TERMTYPE, ext_Strings);
+#endif
+
+    printf("\n");
+    show_size(WINDOW);
+#if NCURSES_WIDECHAR
+    show_offset(WINDOW, _bkgrnd);
+#if NCURSES_EXT_COLORS
+    show_offset(WINDOW, _color);
+#endif
+#endif
+    return EXIT_SUCCESS;
+}