X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_set_term.c;h=b900a68e320805e49bda1db8d1c92e61a990368c;hp=6cbf36ec60687f67d2fa0deac4a7ff229d9a466e;hb=790a85dbd4a81d5f5d8dd02a44d84f01512ef443;hpb=5e1e572b71ae31a6071daa24e2460a68a6f1003c

diff --git a/ncurses/base/lib_set_term.c b/ncurses/base/lib_set_term.c
index 6cbf36ec..b900a68e 100644
--- a/ncurses/base/lib_set_term.c
+++ b/ncurses/base/lib_set_term.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
+ * Copyright 2018,2020 Thomas E. Dickey                                     *
+ * Copyright 1998-2016,2017 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            *
@@ -46,7 +47,7 @@
 #undef CUR
 #define CUR SP_TERMTYPE
 
-MODULE_ID("$Id: lib_set_term.c,v 1.162 2017/04/15 21:44:03 tom Exp $")
+MODULE_ID("$Id: lib_set_term.c,v 1.171 2020/05/23 19:13:12 tom Exp $")
 
 #ifdef USE_TERM_DRIVER
 #define MaxColors      InfoOf(sp).maxcolors
@@ -182,6 +183,7 @@ delscreen(SCREEN *sp)
 	FreeIfNeeded(sp->_color_table);
 	FreeIfNeeded(sp->_color_pairs);
 
+	FreeIfNeeded(sp->_oldnum_list);
 	FreeIfNeeded(sp->oldhash);
 	FreeIfNeeded(sp->newhash);
 	FreeIfNeeded(sp->hashtab);
@@ -192,8 +194,9 @@ delscreen(SCREEN *sp)
 	NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
 	NCURSES_SP_NAME(del_curterm) (NCURSES_SP_ARGx sp->_term);
 	FreeIfNeeded(sp->out_buffer);
-	if (_nc_prescreen.allocated == sp)
-	    _nc_prescreen.allocated = 0;
+	if (_nc_find_prescr() == sp) {
+	    _nc_forget_prescr();
+	}
 	free(sp);
 
 	/*
@@ -337,8 +340,9 @@ NCURSES_SP_NAME(_nc_setupscreen) (
     sp->_next_screen = _nc_screen_chain;
     _nc_screen_chain = sp;
 
-    if ((sp->_current_attr = typeCalloc(NCURSES_CH_T, 1)) == 0)
+    if ((sp->_current_attr = typeCalloc(NCURSES_CH_T, 1)) == 0) {
 	returnCode(ERR);
+    }
 #endif
 
     /*
@@ -367,13 +371,19 @@ NCURSES_SP_NAME(_nc_setupscreen) (
 #ifdef USE_TERM_DRIVER
 	CallDriver(sp, td_setfilter);
 #else
-	clear_screen = 0;
-	cursor_down = parm_down_cursor = 0;
-	cursor_address = 0;
-	cursor_up = parm_up_cursor = 0;
-	row_address = 0;
+	/* *INDENT-EQLS* */
+	clear_screen     = ABSENT_STRING;
+	cursor_address   = ABSENT_STRING;
+	cursor_down      = ABSENT_STRING;
+	cursor_up        = ABSENT_STRING;
+	parm_down_cursor = ABSENT_STRING;
+	parm_up_cursor   = ABSENT_STRING;
+	row_address      = ABSENT_STRING;
+	cursor_home      = carriage_return;
+
+	if (back_color_erase)
+	    clr_eos = ABSENT_STRING;
 
-	cursor_home = carriage_return;
 #endif
 	T(("filter screensize %dx%d", slines, scolumns));
     }
@@ -742,9 +752,12 @@ NCURSES_SP_NAME(_nc_ripoffline) (NCURSES_SP_DCLx
 				 int (*init) (WINDOW *, int))
 {
     int code = ERR;
+    TR_FUNC_BFR(1);
 
     START_TRACE();
-    T((T_CALLED("ripoffline(%p,%d,%p)"), (void *) SP_PARM, line, TR_FUNC(init)));
+    T((T_CALLED("ripoffline(%p,%d,%s)"),
+       (void *) SP_PARM, line,
+       TR_FUNC_ARG(0, init)));
 
 #if NCURSES_SP_FUNCS
     if (SP_PARM != 0 && SP_PARM->_prescreen)
@@ -753,12 +766,15 @@ NCURSES_SP_NAME(_nc_ripoffline) (NCURSES_SP_DCLx
 	if (line == 0) {
 	    code = OK;
 	} else {
-	    if (safe_ripoff_sp == 0)
+	    if (safe_ripoff_sp == 0) {
 		safe_ripoff_sp = safe_ripoff_stack;
+	    }
 	    if (safe_ripoff_sp < safe_ripoff_stack + N_RIPS) {
 		safe_ripoff_sp->line = line;
 		safe_ripoff_sp->hook = init;
 		(safe_ripoff_sp)++;
+		T(("ripped-off %d:%d chunks",
+		   (int) (safe_ripoff_sp - safe_ripoff_stack), N_RIPS));
 		code = OK;
 	    }
 	}
@@ -771,7 +787,12 @@ NCURSES_SP_NAME(_nc_ripoffline) (NCURSES_SP_DCLx
 NCURSES_EXPORT(int)
 _nc_ripoffline(int line, int (*init) (WINDOW *, int))
 {
-    return NCURSES_SP_NAME(_nc_ripoffline) (CURRENT_SCREEN_PRE, line, init);
+    int rc;
+    _nc_lock_global(prescreen);
+    START_TRACE();
+    rc = NCURSES_SP_NAME(_nc_ripoffline) (CURRENT_SCREEN_PRE, line, init);
+    _nc_unlock_global(prescreen);
+    return rc;
 }
 #endif
 
@@ -790,6 +811,11 @@ NCURSES_SP_NAME(ripoffline) (NCURSES_SP_DCLx
 NCURSES_EXPORT(int)
 ripoffline(int line, int (*init) (WINDOW *, int))
 {
-    return NCURSES_SP_NAME(ripoffline) (CURRENT_SCREEN_PRE, line, init);
+    int rc;
+    _nc_lock_global(prescreen);
+    START_TRACE();
+    rc = NCURSES_SP_NAME(ripoffline) (CURRENT_SCREEN_PRE, line, init);
+    _nc_unlock_global(prescreen);
+    return rc;
 }
 #endif