/****************************************************************************
- * Copyright (c) 1998 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: Juergen Pfeifer 2009 *
****************************************************************************/
-
#include <curses.priv.h>
-#include <sys/stat.h>
-#include <time.h>
-#include <term.h> /* exit_ca_mode, non_rev_rmcup */
+#ifndef CUR
+#define CUR SP_TERMTYPE
+#endif
-MODULE_ID("$Id: lib_screen.c,v 1.15 1999/07/24 20:05:29 tom Exp $")
+MODULE_ID("$Id: lib_screen.c,v 1.38 2009/10/24 22:08:55 tom Exp $")
-static time_t dumptime;
+#define MAX_SIZE 0x3fff /* 16k is big enough for a window or pad */
-WINDOW *getwin(FILE *filep)
+NCURSES_EXPORT(WINDOW *)
+NCURSES_SP_NAME(getwin) (NCURSES_SP_DCLx FILE *filep)
{
- WINDOW tmp, *nwin;
- int n;
+ 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);
+ }
- T((T_CALLED("getwin(%p)"), filep));
+ 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);
+ }
- (void) fread(&tmp, sizeof(WINDOW), 1, filep);
- if (ferror(filep))
- returnWin(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;
- if ((nwin = newwin(tmp._maxy+1, tmp._maxx+1, 0, 0)) == 0)
- returnWin(0);
+ nwin->_regtop = tmp._regtop;
+ nwin->_regbottom = tmp._regbottom;
- /*
- * We deliberately do not restore the _parx, _pary, or _parent
- * fields, because the window hierarchy within which they
- * made sense is probably gone.
- */
- 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|_ISPAD);
-
- nwin->_attrs = tmp._attrs;
- nwin->_bkgd = tmp._bkgd;
-
- nwin->_clear = tmp._clear;
- nwin->_scroll = tmp._scroll;
- nwin->_leaveok = tmp._leaveok;
- nwin->_use_keypad = tmp._use_keypad;
- nwin->_delay = tmp._delay;
- nwin->_immed = tmp._immed;
- nwin->_sync = tmp._sync;
-
- nwin->_regtop = tmp._regtop;
- nwin->_regbottom = tmp._regbottom;
-
- for (n = 0; n < nwin->_maxy + 1; n++)
- {
- (void) fread(nwin->_line[n].text,
- sizeof(chtype), (size_t)(nwin->_maxx + 1), filep);
- if (ferror(filep))
- {
- delwin(nwin);
- returnWin(0);
- }
+ 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);
+}
- returnWin(nwin);
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(WINDOW *)
+getwin(FILE *filep)
+{
+ return NCURSES_SP_NAME(getwin) (CURRENT_SCREEN, filep);
}
+#endif
-int putwin(WINDOW *win, FILE *filep)
+NCURSES_EXPORT(int)
+putwin(WINDOW *win, FILE *filep)
{
- int code = ERR;
- int n;
+ int code = ERR;
+ int n;
+
+ T((T_CALLED("putwin(%p,%p)"), (void *) win, (void *) filep));
- T((T_CALLED("putwin(%p,%p)"), win, filep));
+ if (win != 0) {
+ size_t len = (size_t) (win->_maxx + 1);
- if (win) {
- (void) fwrite(win, sizeof(WINDOW), 1, filep);
- if (ferror(filep))
- returnCode(code);
+ clearerr(filep);
+ if (fwrite(win, sizeof(WINDOW), 1, filep) != 1
+ || ferror(filep))
+ returnCode(code);
- for (n = 0; n < win->_maxy + 1; n++)
- {
- (void) fwrite(win->_line[n].text,
- sizeof(chtype), (size_t)(win->_maxx + 1), filep);
- if (ferror(filep))
+ 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);
+ code = OK;
+ }
+ returnCode(code);
}
-int scr_restore(const char *file)
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(scr_restore) (NCURSES_SP_DCLx const char *file)
{
- FILE *fp = 0;
+ FILE *fp = 0;
- T((T_CALLED("scr_restore(%s)"), _nc_visbuf(file)));
+ 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(newscr);
- newscr = getwin(fp);
- (void) fclose(fp);
- returnCode(OK);
- }
+ 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);
+ }
}
-int scr_dump(const char *file)
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+scr_restore(const char *file)
{
- FILE *fp = 0;
+ return NCURSES_SP_NAME(scr_restore) (CURRENT_SCREEN, file);
+}
+#endif
- T((T_CALLED("scr_dump(%s)"), _nc_visbuf(file)));
+NCURSES_EXPORT(int)
+scr_dump(const char *file)
+{
+ FILE *fp = 0;
- if (_nc_access(file, W_OK) < 0
- || (fp = fopen(file, "wb")) == 0)
- returnCode(ERR);
- else
- {
- (void) putwin(newscr, fp);
- (void) fclose(fp);
- dumptime = time((time_t *)0);
- returnCode(OK);
- }
+ 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);
+ }
}
-int scr_init(const char *file)
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(scr_init) (NCURSES_SP_DCLx const char *file)
{
- FILE *fp = 0;
- struct stat stb;
-
- T((T_CALLED("scr_init(%s)"), _nc_visbuf(file)));
-
- if (exit_ca_mode && non_rev_rmcup)
- returnCode(ERR);
-
- if (_nc_access(file, R_OK) < 0
- || (fp = fopen(file, "rb")) == 0)
- returnCode(ERR);
- else if (fstat(STDOUT_FILENO, &stb) || stb.st_mtime > dumptime)
- returnCode(ERR);
- else
- {
- delwin(curscr);
- curscr = getwin(fp);
+ 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);
- returnCode(OK);
+ 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
-int scr_set(const char *file)
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(scr_set) (NCURSES_SP_DCLx const char *file)
{
- T((T_CALLED("scr_set(%s)"), _nc_visbuf(file)));
+ T((T_CALLED("scr_set(%p,%s)"), (void *) 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);
- newscr = dupwin(curscr);
+ } 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
projects / ncurses.git / blobdiff