1 files changed, 266 insertions, 0 deletions
diff --git a/ncurses-5.9/ncurses/base/lib_screen.c b/ncurses-5.9/ncurses/base/lib_screen.c
new file mode 100644
index 0000000..90ad6c8
--- /dev/null
+++ b/ncurses-5.9/ncurses/base/lib_screen.c
@@ -0,0 +1,266 @@
+/****************************************************************************
+ * Copyright (c) 1998-2008,2009 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                 *
+ *     and: Juergen Pfeifer                         2009                    *
+ ****************************************************************************/
+
+#include <curses.priv.h>
+
+#ifndef CUR
+#define CUR SP_TERMTYPE
+#endif
+
+MODULE_ID("$Id$")
+
+#define MAX_SIZE 0x3fff		/* 16k is big enough for a window or pad */
+
+NCURSES_EXPORT(WINDOW *)
+NCURSES_SP_NAME(getwin) (NCURSES_SP_DCLx FILE *filep)
+{
+    WINDOW tmp, *nwin;
+    int n;
+
+    T((T_CALLED("getwin(%p)"), (void *) filep));
+
+    clearerr(filep);
+    if (fread(&tmp, 1, sizeof(WINDOW), filep) < sizeof(WINDOW)
+	|| ferror(filep)
+	|| tmp._maxy == 0
+	|| tmp._maxy > MAX_SIZE
+	|| tmp._maxx == 0
+	|| tmp._maxx > MAX_SIZE) {
+	returnWin(0);
+    }
+
+    if (tmp._flags & _ISPAD) {
+	nwin = NCURSES_SP_NAME(newpad) (NCURSES_SP_ARGx
+					tmp._maxy + 1,
+					tmp._maxx + 1);
+    } else {
+	nwin = NCURSES_SP_NAME(newwin) (NCURSES_SP_ARGx
+					tmp._maxy + 1,
+					tmp._maxx + 1, 0, 0);
+    }
+
+    /*
+     * We deliberately do not restore the _parx, _pary, or _parent
+     * fields, because the window hierarchy within which they
+     * made sense is probably gone.
+     */
+    if (nwin != 0) {
+	size_t linesize = sizeof(NCURSES_CH_T) * (size_t) (tmp._maxx + 1);
+
+	nwin->_curx = tmp._curx;
+	nwin->_cury = tmp._cury;
+	nwin->_maxy = tmp._maxy;
+	nwin->_maxx = tmp._maxx;
+	nwin->_begy = tmp._begy;
+	nwin->_begx = tmp._begx;
+	nwin->_yoffset = tmp._yoffset;
+	nwin->_flags = tmp._flags & ~(_SUBWIN);
+
+	WINDOW_ATTRS(nwin) = WINDOW_ATTRS(&tmp);
+	nwin->_nc_bkgd = tmp._nc_bkgd;
+
+	nwin->_notimeout = tmp._notimeout;
+	nwin->_clear = tmp._clear;
+	nwin->_leaveok = tmp._leaveok;
+	nwin->_idlok = tmp._idlok;
+	nwin->_idcok = tmp._idcok;
+	nwin->_immed = tmp._immed;
+	nwin->_scroll = tmp._scroll;
+	nwin->_sync = tmp._sync;
+	nwin->_use_keypad = tmp._use_keypad;
+	nwin->_delay = tmp._delay;
+
+	nwin->_regtop = tmp._regtop;
+	nwin->_regbottom = tmp._regbottom;
+
+	if (tmp._flags & _ISPAD)
+	    nwin->_pad = tmp._pad;
+
+	for (n = 0; n <= nwin->_maxy; n++) {
+	    clearerr(filep);
+	    if (fread(nwin->_line[n].text, 1, linesize, filep) < linesize
+		|| ferror(filep)) {
+		delwin(nwin);
+		returnWin(0);
+	    }
+	}
+	touchwin(nwin);
+    }
+    returnWin(nwin);
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(WINDOW *)
+getwin(FILE *filep)
+{
+    return NCURSES_SP_NAME(getwin) (CURRENT_SCREEN, filep);
+}
+#endif
+
+NCURSES_EXPORT(int)
+putwin(WINDOW *win, FILE *filep)
+{
+    int code = ERR;
+    int n;
+
+    T((T_CALLED("putwin(%p,%p)"), (void *) win, (void *) filep));
+
+    if (win != 0) {
+	size_t len = (size_t) (win->_maxx + 1);
+
+	clearerr(filep);
+	if (fwrite(win, sizeof(WINDOW), 1, filep) != 1
+	    || ferror(filep))
+	      returnCode(code);
+
+	for (n = 0; n <= win->_maxy; n++) {
+	    if (fwrite(win->_line[n].text,
+		       sizeof(NCURSES_CH_T), len, filep) != len
+		|| ferror(filep)) {
+		returnCode(code);
+	    }
+	}
+	code = OK;
+    }
+    returnCode(code);
+}
+
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(scr_restore) (NCURSES_SP_DCLx const char *file)
+{
+    FILE *fp = 0;
+
+    T((T_CALLED("scr_restore(%p,%s)"), (void *) SP_PARM, _nc_visbuf(file)));
+
+    if (_nc_access(file, R_OK) < 0
+	|| (fp = fopen(file, "rb")) == 0) {
+	returnCode(ERR);
+    } else {
+	delwin(NewScreen(SP_PARM));
+	NewScreen(SP_PARM) = getwin(fp);
+#if !USE_REENTRANT
+	newscr = NewScreen(SP_PARM);
+#endif
+	(void) fclose(fp);
+	returnCode(OK);
+    }
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+scr_restore(const char *file)
+{
+    return NCURSES_SP_NAME(scr_restore) (CURRENT_SCREEN, file);
+}
+#endif
+
+NCURSES_EXPORT(int)
+scr_dump(const char *file)
+{
+    FILE *fp = 0;
+
+    T((T_CALLED("scr_dump(%s)"), _nc_visbuf(file)));
+
+    if (_nc_access(file, W_OK) < 0
+	|| (fp = fopen(file, "wb")) == 0) {
+	returnCode(ERR);
+    } else {
+	(void) putwin(newscr, fp);
+	(void) fclose(fp);
+	returnCode(OK);
+    }
+}
+
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(scr_init) (NCURSES_SP_DCLx const char *file)
+{
+    FILE *fp = 0;
+    int code = ERR;
+
+    T((T_CALLED("scr_init(%p,%s)"), (void *) SP_PARM, _nc_visbuf(file)));
+
+    if (SP_PARM != 0 &&
+#ifdef USE_TERM_DRIVER
+	InfoOf(SP_PARM).caninit
+#else
+	!(exit_ca_mode && non_rev_rmcup)
+#endif
+	) {
+	if (_nc_access(file, R_OK) >= 0
+	    && (fp = fopen(file, "rb")) != 0) {
+	    delwin(CurScreen(SP_PARM));
+	    CurScreen(SP_PARM) = getwin(fp);
+#if !USE_REENTRANT
+	    curscr = CurScreen(SP_PARM);
+#endif
+	    (void) fclose(fp);
+	    code = OK;
+	}
+    }
+    returnCode(code);
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+scr_init(const char *file)
+{
+    return NCURSES_SP_NAME(scr_init) (CURRENT_SCREEN, file);
+}
+#endif
+
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(scr_set) (NCURSES_SP_DCLx const char *file)
+{
+    T((T_CALLED("scr_set(%p,%s)"), (void *) SP_PARM, _nc_visbuf(file)));
+
+    if (NCURSES_SP_NAME(scr_init) (NCURSES_SP_ARGx file) == ERR) {
+	returnCode(ERR);
+    } else {
+	delwin(NewScreen(SP_PARM));
+	NewScreen(SP_PARM) = dupwin(curscr);
+#if !USE_REENTRANT
+	newscr = NewScreen(SP_PARM);
+#endif
+	returnCode(OK);
+    }
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+scr_set(const char *file)
+{
+    return NCURSES_SP_NAME(scr_set) (CURRENT_SCREEN, file);
+}
+#endif