/****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. *
+ * 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 *
/****************************************************************************
* 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: Thomas E. Dickey 1996 on *
+ * and: Juergen Pfeifer 2009 *
****************************************************************************/
#include <curses.priv.h>
-MODULE_ID("$Id: lib_screen.c,v 1.30 2007/03/10 23:20:41 tom Exp $")
+#ifndef CUR
+#define CUR SP_TERMTYPE
+#endif
+
+MODULE_ID("$Id: lib_screen.c,v 1.37 2009/10/10 19:37:07 tom Exp $")
+
+#define MAX_SIZE 0x3fff /* 16k is big enough for a window or pad */
NCURSES_EXPORT(WINDOW *)
-getwin(FILE *filep)
+NCURSES_SP_NAME(getwin) (NCURSES_SP_DCLx FILE *filep)
{
WINDOW tmp, *nwin;
int n;
T((T_CALLED("getwin(%p)"), filep));
clearerr(filep);
- (void) fread(&tmp, sizeof(WINDOW), 1, filep);
- if (ferror(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 = newpad(tmp._maxy + 1, tmp._maxx + 1);
+ nwin = NCURSES_SP_NAME(newpad) (NCURSES_SP_ARGx
+ tmp._maxy + 1,
+ tmp._maxx + 1);
} else {
- nwin = newwin(tmp._maxy + 1, tmp._maxx + 1, 0, 0);
+ nwin = NCURSES_SP_NAME(newwin) (NCURSES_SP_ARGx
+ tmp._maxy + 1,
+ tmp._maxx + 1, 0, 0);
}
/*
* 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;
for (n = 0; n <= nwin->_maxy; n++) {
clearerr(filep);
- (void) fread(nwin->_line[n].text,
- sizeof(NCURSES_CH_T),
- (size_t) (nwin->_maxx + 1),
- filep);
- if (ferror(filep)) {
+ if (fread(nwin->_line[n].text, 1, linesize, filep) < linesize
+ || ferror(filep)) {
delwin(nwin);
returnWin(0);
}
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)
{
T((T_CALLED("putwin(%p,%p)"), win, filep));
if (win != 0) {
- size_t len = (win->_maxx + 1);
+ size_t len = (size_t) (win->_maxx + 1);
clearerr(filep);
if (fwrite(win, sizeof(WINDOW), 1, filep) != 1
}
NCURSES_EXPORT(int)
-scr_restore(const char *file)
+NCURSES_SP_NAME(scr_restore) (NCURSES_SP_DCLx const char *file)
{
FILE *fp = 0;
- T((T_CALLED("scr_restore(%s)"), _nc_visbuf(file)));
+ T((T_CALLED("scr_restore(%p,%s)"), SP_PARM, _nc_visbuf(file)));
if (_nc_access(file, R_OK) < 0
|| (fp = fopen(file, "rb")) == 0) {
returnCode(ERR);
} else {
- delwin(newscr);
- SP->_newscr = getwin(fp);
+ delwin(NewScreen(SP_PARM));
+ NewScreen(SP_PARM) = getwin(fp);
#if !USE_REENTRANT
- newscr = SP->_newscr;
+ 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)
{
}
NCURSES_EXPORT(int)
-scr_init(const char *file)
+NCURSES_SP_NAME(scr_init) (NCURSES_SP_DCLx const char *file)
{
FILE *fp = 0;
+ int code = ERR;
- T((T_CALLED("scr_init(%s)"), _nc_visbuf(file)));
-
- if (exit_ca_mode && non_rev_rmcup)
- returnCode(ERR);
+ T((T_CALLED("scr_init(%p,%s)"), SP_PARM, _nc_visbuf(file)));
- if (_nc_access(file, R_OK) < 0
- || (fp = fopen(file, "rb")) == 0) {
- returnCode(ERR);
- } else {
- delwin(curscr);
- SP->_curscr = getwin(fp);
+ 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 = SP->_curscr;
+ curscr = CurScreen(SP_PARM);
#endif
- (void) fclose(fp);
- returnCode(OK);
+ (void) fclose(fp);
+ code = OK;
+ }
}
+ returnCode(code);
}
+#if NCURSES_SP_FUNCS
NCURSES_EXPORT(int)
-scr_set(const char *file)
+scr_init(const char *file)
{
- T((T_CALLED("scr_set(%s)"), _nc_visbuf(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)"), SP_PARM, _nc_visbuf(file)));
- if (scr_init(file) == ERR) {
+ if (NCURSES_SP_NAME(scr_init) (NCURSES_SP_ARGx file) == ERR) {
returnCode(ERR);
} else {
- delwin(newscr);
- SP->_newscr = dupwin(curscr);
+ delwin(NewScreen(SP_PARM));
+ NewScreen(SP_PARM) = dupwin(curscr);
#if !USE_REENTRANT
- newscr = SP->_newscr;
+ 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
projects / ncurses.git / blobdiff