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authorThorsten Lockert <tholo@cvs.openbsd.org>1996-06-02 06:06:27 +0000
committerThorsten Lockert <tholo@cvs.openbsd.org>1996-06-02 06:06:27 +0000
commit97548ea6b6ae9322fb78df90b7633d40df4e11df (patch)
treeab5a82d85a6c89f0dfdb1e44cc10cc6d80167d0c /lib/libcurses/lib_screen.c
parent4eae3aa9e113650162ffb0bbb09e47503936e77e (diff)
Install ncurses as -lcurses and <curses.h>
Install BSD curses library as -locurses and <ocurses.h>
Diffstat (limited to 'lib/libcurses/lib_screen.c')
-rw-r--r--lib/libcurses/lib_screen.c171
1 files changed, 171 insertions, 0 deletions
diff --git a/lib/libcurses/lib_screen.c b/lib/libcurses/lib_screen.c
new file mode 100644
index 00000000000..73b4e63b14e
--- /dev/null
+++ b/lib/libcurses/lib_screen.c
@@ -0,0 +1,171 @@
+
+/***************************************************************************
+* COPYRIGHT NOTICE *
+****************************************************************************
+* ncurses is copyright (C) 1992-1995 *
+* Zeyd M. Ben-Halim *
+* zmbenhal@netcom.com *
+* Eric S. Raymond *
+* esr@snark.thyrsus.com *
+* *
+* Permission is hereby granted to reproduce and distribute ncurses *
+* by any means and for any fee, whether alone or as part of a *
+* larger distribution, in source or in binary form, PROVIDED *
+* this notice is included with any such distribution, and is not *
+* removed from any of its header files. Mention of ncurses in any *
+* applications linked with it is highly appreciated. *
+* *
+* ncurses comes AS IS with no warranty, implied or expressed. *
+* *
+***************************************************************************/
+
+
+#include "curses.priv.h"
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <time.h>
+#include "term.h" /* exit_ca_mode, non_rev_rmcup */
+
+static time_t dumptime;
+
+WINDOW *getwin(FILE *filep)
+{
+ WINDOW try, *nwin;
+ int n;
+
+ (void) fread(&try, sizeof(WINDOW), 1, filep);
+ if (ferror(filep))
+ return (WINDOW *)NULL;
+
+ if ((nwin = newwin(try._maxy+1, try._maxx+1, 0, 0)) == (WINDOW *)NULL)
+ return (WINDOW *)NULL;
+
+ /*
+ * 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 = try._curx;
+ nwin->_cury = try._cury;
+ nwin->_maxy = try._maxy;
+ nwin->_maxx = try._maxx;
+ nwin->_begy = try._begy;
+ nwin->_begx = try._begx;
+ nwin->_flags = try._flags;
+
+ nwin->_attrs = try._attrs;
+ nwin->_bkgd = try._bkgd;
+
+ nwin->_clear = try._clear;
+ nwin->_scroll = try._scroll;
+ nwin->_leaveok = try._leaveok;
+ nwin->_use_keypad = try._use_keypad;
+ nwin->_delay = try._delay;
+ nwin->_immed = try._immed;
+ nwin->_sync = try._sync;
+
+ nwin->_regtop = try._regtop;
+ nwin->_regbottom = try._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);
+ return((WINDOW *)NULL);
+ }
+ }
+ touchwin(nwin);
+
+ return nwin;
+}
+
+int putwin(WINDOW *win, FILE *filep)
+{
+ int n;
+
+ (void) fwrite(win, sizeof(WINDOW), 1, filep);
+ if (ferror(filep))
+ return ERR;
+
+ 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))
+ return(ERR);
+ }
+
+ return(OK);
+}
+
+int scr_restore(const char *file)
+{
+ FILE *fp;
+
+ if ((fp = fopen(file, "r")) == (FILE *)NULL)
+ return ERR;
+ else
+ {
+ delwin(newscr);
+ newscr = getwin(fp);
+ (void) fclose(fp);
+ return OK;
+ }
+}
+
+int scr_dump(const char *file)
+{
+ FILE *fp;
+
+ if ((fp = fopen(file, "w")) == (FILE *)NULL)
+ return ERR;
+ else
+ {
+ (void) putwin(newscr, fp);
+ (void) fclose(fp);
+ dumptime = time((time_t *)0);
+ return OK;
+ }
+}
+
+int scr_init(const char *file)
+{
+ FILE *fp;
+ struct stat stb;
+
+#ifdef exit_ca_mode
+ if (exit_ca_mode && non_rev_rmcup)
+ return(ERR);
+#endif /* exit_ca_mode */
+
+ if ((fp = fopen(file, "r")) == (FILE *)NULL)
+ return ERR;
+ else if (fstat(STDOUT_FILENO, &stb) || stb.st_mtime > dumptime)
+ return ERR;
+ else
+ {
+ delwin(curscr);
+ curscr = getwin(fp);
+ (void) fclose(fp);
+ return OK;
+ }
+}
+
+int scr_set(const char *file)
+{
+ if (scr_init(file) == ERR)
+ return(ERR);
+ else
+ {
+ delwin(newscr);
+ newscr = dupwin(curscr);
+ return(OK);
+ }
+}
+
+