- Flatten the vendor area

1 files changed, 294 insertions, 0 deletions

diff --git a/ncurses/tinfo/lib_data.c b/ncurses/tinfo/lib_data.c
new file mode 100644
index 000000000000..ba37e5dc8c49
--- /dev/null
+++ b/ncurses/tinfo/lib_data.c
@@ -0,0 +1,294 @@
+/****************************************************************************
+ * Copyright (c) 1998-2007,2008 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: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
+ *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996-on                 *
+ ****************************************************************************/
+
+/*
+**	lib_data.c
+**
+**	Common data that may/may not be allocated, but is referenced globally
+**
+*/
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id: lib_data.c,v 1.43 2008/03/29 21:16:49 tom Exp $")
+
+/*
+ * OS/2's native linker complains if we don't initialize public data when
+ * constructing a dll (reported by J.J.G.Ripoll).
+ */
+#if USE_REENTRANT
+NCURSES_EXPORT(WINDOW *)
+NCURSES_PUBLIC_VAR(stdscr) (void)
+{
+    return SP ? SP->_stdscr : 0;
+}
+NCURSES_EXPORT(WINDOW *)
+NCURSES_PUBLIC_VAR(curscr) (void)
+{
+    return SP ? SP->_curscr : 0;
+}
+NCURSES_EXPORT(WINDOW *)
+NCURSES_PUBLIC_VAR(newscr) (void)
+{
+    return SP ? SP->_newscr : 0;
+}
+#else
+NCURSES_EXPORT_VAR(WINDOW *) stdscr = 0;
+NCURSES_EXPORT_VAR(WINDOW *) curscr = 0;
+NCURSES_EXPORT_VAR(WINDOW *) newscr = 0;
+#endif
+
+NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain = 0;
+
+/*
+ * The variable 'SP' will be defined as a function on systems that cannot link
+ * data-only modules, since it is used in a lot of places within ncurses and we
+ * cannot guarantee that any application will use any particular function.  We
+ * put the WINDOW variables in this module, because it appears that any
+ * application that uses them will also use 'SP'.
+ *
+ * This module intentionally does not reference other ncurses modules, to avoid
+ * module coupling that increases the size of the executable.
+ */
+#if BROKEN_LINKER
+static SCREEN *my_screen;
+
+NCURSES_EXPORT(SCREEN *)
+_nc_screen(void)
+{
+    return my_screen;
+}
+
+NCURSES_EXPORT(int)
+_nc_alloc_screen(void)
+{
+    return ((my_screen = typeCalloc(SCREEN, 1)) != 0);
+}
+
+NCURSES_EXPORT(void)
+_nc_set_screen(SCREEN *sp)
+{
+    my_screen = sp;
+}
+
+#else
+NCURSES_EXPORT_VAR(SCREEN *) SP = NULL; /* Some linkers require initialized data... */
+#endif
+/* *INDENT-OFF* */
+#define CHARS_0s { '\0' }
+
+#define TGETENT_0 { 0L, FALSE, NULL, NULL, NULL }
+#define TGETENT_0s { TGETENT_0, TGETENT_0, TGETENT_0, TGETENT_0 }
+
+NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals = {
+    0,				/* have_sigwinch */
+    0,				/* cleanup_nested */
+
+    FALSE,			/* init_signals */
+    FALSE,			/* init_screen */
+
+    NULL,			/* comp_sourcename */
+    NULL,			/* comp_termtype */
+
+    FALSE,			/* have_tic_directory */
+    FALSE,			/* keep_tic_directory */
+    TERMINFO,			/* tic_directory */
+
+    NULL,			/* dbi_list */
+    0,				/* dbi_size */
+
+    NULL,			/* first_name */
+    NULL,			/* keyname_table */
+
+    0,				/* slk_format */
+
+    NULL,			/* safeprint_buf */
+    0,				/* safeprint_used */
+
+    TGETENT_0s,			/* tgetent_cache */
+    0,				/* tgetent_index */
+    0,				/* tgetent_sequence */
+
+    0,				/* _nc_windowlist */
+
+#if USE_HOME_TERMINFO
+    NULL,			/* home_terminfo */
+#endif
+
+#if !USE_SAFE_SPRINTF
+    0,				/* safeprint_cols */
+    0,				/* safeprint_rows */
+#endif
+
+#ifdef TRACE
+    FALSE,			/* init_trace */
+    CHARS_0s,			/* trace_fname */
+    0,				/* trace_level */
+    NULL,			/* trace_fp */
+
+    NULL,			/* tracearg_buf */
+    0,				/* tracearg_used */
+
+    NULL,			/* tracebuf_ptr */
+    0,				/* tracebuf_used */
+
+    CHARS_0s,			/* tracechr_buf */
+
+    NULL,			/* tracedmp_buf */
+    0,				/* tracedmp_used */
+
+    CHARS_0s,			/* tracemse_buf */
+
+    NULL,			/* tracetry_buf */
+    0,				/* tracetry_used */
+
+    { CHARS_0s, CHARS_0s },	/* traceatr_color_buf */
+    0,				/* traceatr_color_sel */
+    -1,				/* traceatr_color_last */
+
+#endif /* TRACE */
+#ifdef USE_PTHREADS
+    PTHREAD_MUTEX_INITIALIZER,	/* mutex_set_SP */
+    PTHREAD_MUTEX_INITIALIZER,	/* mutex_use_screen */
+    PTHREAD_MUTEX_INITIALIZER,	/* mutex_use_window */
+    PTHREAD_MUTEX_INITIALIZER,	/* mutex_windowlist */
+    PTHREAD_MUTEX_INITIALIZER,	/* mutex_tst_tracef */
+    PTHREAD_MUTEX_INITIALIZER,	/* mutex_tracef */
+    0,				/* nested_tracef */
+#endif
+};
+
+#define STACK_FRAME_0	{ { 0 }, 0 }
+#define STACK_FRAME_0s	{ STACK_FRAME_0 }
+#define NUM_VARS_0s	{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
+
+#define RIPOFF_0	{ 0,0,0 }
+#define RIPOFF_0s	{ RIPOFF_0 }
+
+NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen = {
+    TRUE,			/* use_env */
+    FALSE,			/* filter_mode */
+    A_NORMAL,			/* previous_attr */
+    RIPOFF_0s,			/* ripoff */
+    NULL,			/* rsp */
+    {				/* tparm_state */
+#ifdef TRACE
+	NULL,			/* tname */
+#endif
+	NULL,			/* tparam_base */
+
+	STACK_FRAME_0s,		/* stack */
+	0,			/* stack_ptr */
+
+	NULL,			/* out_buff */
+	0,			/* out_size */
+	0,			/* out_used */
+
+	NULL,			/* fmt_buff */
+	0,			/* fmt_size */
+
+	NUM_VARS_0s,		/* dynamic_var */
+	NUM_VARS_0s,		/* static_vars */
+    },
+    NULL,			/* saved_tty */
+#if BROKEN_LINKER || USE_REENTRANT
+    NULL,			/* real_acs_map */
+    0,				/* LINES */
+    0,				/* COLS */
+#ifdef TRACE
+    0L,				/* _outchars */
+    NULL,			/* _tputs_trace */
+#endif
+#endif
+};
+/* *INDENT-ON* */
+
+/******************************************************************************/
+#ifdef USE_PTHREADS
+static void
+init_global_mutexes(void)
+{
+    static bool initialized = FALSE;
+
+    if (!initialized) {
+	initialized = TRUE;
+	_nc_mutex_init(&_nc_globals.mutex_set_SP);
+	_nc_mutex_init(&_nc_globals.mutex_use_screen);
+	_nc_mutex_init(&_nc_globals.mutex_use_window);
+	_nc_mutex_init(&_nc_globals.mutex_windowlist);
+	_nc_mutex_init(&_nc_globals.mutex_tst_tracef);
+	_nc_mutex_init(&_nc_globals.mutex_tracef);
+    }
+}
+
+/*
+ * Use recursive mutexes if we have them - they're part of Unix98.
+ * For the cases where we do not, _nc_mutex_trylock() is used to avoid a
+ * deadlock, at the expense of memory leaks and unexpected failures that
+ * may not be handled by typical clients.
+ *
+ * FIXME - need configure check for PTHREAD_MUTEX_RECURSIVE, define it to
+ * PTHREAD_MUTEX_NORMAL if not supported.
+ */
+NCURSES_EXPORT(void)
+_nc_mutex_init(pthread_mutex_t * obj)
+{
+    pthread_mutexattr_t recattr;
+
+    memset(&recattr, 0, sizeof(recattr));
+    pthread_mutexattr_settype(&recattr, PTHREAD_MUTEX_RECURSIVE);
+    pthread_mutex_init(obj, &recattr);
+}
+
+NCURSES_EXPORT(int)
+_nc_mutex_lock(pthread_mutex_t * obj)
+{
+    init_global_mutexes();
+    return pthread_mutex_lock(obj);
+}
+
+NCURSES_EXPORT(int)
+_nc_mutex_trylock(pthread_mutex_t * obj)
+{
+    init_global_mutexes();
+    return pthread_mutex_trylock(obj);
+}
+
+NCURSES_EXPORT(int)
+_nc_mutex_unlock(pthread_mutex_t * obj)
+{
+    init_global_mutexes();
+    return pthread_mutex_unlock(obj);
+}
+#endif /* USE_PTHREADS */