ncurses 5.7 - patch 20100123

[ncurses.git] / ncurses / curses.priv.h

diff --git a/ncurses/curses.priv.h b/ncurses/curses.priv.h
index dbc5e29cec10ac6ec6e2bf4700150dd484c377a8..0ef4879548d9cb690dc96a228cf22b3399d5f4b1 100644 (file)
--- a/ncurses/curses.priv.h
+++ b/ncurses/curses.priv.h
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2009,2010 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            *
@@ -35,7 +35,7 @@
 
 
 /*
- * $Id: curses.priv.h,v 1.445 2009/12/05 21:20:51 tom Exp $
+ * $Id: curses.priv.h,v 1.450 2010/01/23 22:05:30 tom Exp $
  *
  *     curses.priv.h
  *
@@ -61,6 +61,7 @@ extern "C" {
 #define MODULE_ID(id) /*nothing*/
 #endif
 
+#include <stddef.h>            /* for offsetof */
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
@@ -1098,9 +1099,9 @@ extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain;
 extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
 
        WINDOWLIST {
-       WINDOW  win;            /* first, so WINDOW_EXT() works */
        WINDOWLIST *next;
        SCREEN *screen;         /* screen containing the window */
+       WINDOW  win;            /* WINDOW_EXT() needs to account for offset */
 #ifdef _XOPEN_SOURCE_EXTENDED
        char addch_work[(MB_LEN_MAX * 9) + 1];
        unsigned addch_used;    /* number of bytes in addch_work[] */
@@ -1109,7 +1110,7 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
 #endif
 };
 
-#define WINDOW_EXT(win,field) (((WINDOWLIST *)(win))->field)
+#define WINDOW_EXT(w,m) (((WINDOWLIST *)((char *)(w) - offsetof(WINDOWLIST, win)))->m)
 
 #define SP_PRE_INIT(sp)                         \
     sp->_cursrow = -1;                          \
@@ -1440,11 +1441,14 @@ extern NCURSES_EXPORT(void)     _nc_locked_tracef (const char *, ...) GCC_PRINTFLIKE
 #define T(a)           TR(TRACE_CALLS, a)
 #define TRACE_RETURN(value,type) return _nc_retrace_##type(value)
 
+#define NonNull(s)     ((s) != 0 ? s : "<null>")
+
 #define returnAttr(code)       TRACE_RETURN(code,attr_t)
 #define returnBits(code)       TRACE_RETURN(code,unsigned)
 #define returnBool(code)       TRACE_RETURN(code,bool)
 #define returnCPtr(code)       TRACE_RETURN(code,cptr)
 #define returnCVoidPtr(code)   TRACE_RETURN(code,cvoid_ptr)
+#define returnChar(code)       TRACE_RETURN(code,char)
 #define returnChtype(code)     TRACE_RETURN(code,chtype)
 #define returnCode(code)       TRACE_RETURN(code,int)
 #define returnPtr(code)                TRACE_RETURN(code,ptr)
@@ -1464,6 +1468,7 @@ extern NCURSES_EXPORT(char *)           _nc_varargs (const char *, va_list);
 extern NCURSES_EXPORT(chtype)           _nc_retrace_chtype (chtype);
 extern NCURSES_EXPORT(const char *)     _nc_altcharset_name(attr_t, chtype);
 extern NCURSES_EXPORT(const char *)     _nc_retrace_cptr (const char *);
+extern NCURSES_EXPORT(char)             _nc_retrace_char (char);
 extern NCURSES_EXPORT(int)              _nc_retrace_int (int);
 extern NCURSES_EXPORT(unsigned)         _nc_retrace_unsigned (unsigned);
 extern NCURSES_EXPORT(void *)           _nc_retrace_void_ptr (void *);
@@ -1504,6 +1509,7 @@ extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int);
 #define returnBool(code)       return code
 #define returnCPtr(code)       return code
 #define returnCVoidPtr(code)   return code
+#define returnChar(code)       return ((char) code)
 #define returnChtype(code)     return code
 #define returnCode(code)       return code
 #define returnPtr(code)                return code