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tetex-bin  3.0
lib_cur_term.c
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00001 /****************************************************************************
00002  * Copyright (c) 1998-2000,2003 Free Software Foundation, Inc.              *
00003  *                                                                          *
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00011  *                                                                          *
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00014  *                                                                          *
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00022  *                                                                          *
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00028 
00029 /****************************************************************************
00030  *  Author: Thomas E. Dickey <dickey@clark.net> 1997                        *
00031  ****************************************************************************/
00032 /*
00033  * Module that "owns" the 'cur_term' variable:
00034  *
00035  *     TERMINAL *set_curterm(TERMINAL *)
00036  *     int del_curterm(TERMINAL *)
00037  */
00038 
00039 #include <curses.priv.h>
00040 #include <term_entry.h>            /* TTY, cur_term */
00041 #include <termcap.h>        /* ospeed */
00042 
00043 MODULE_ID("$Id: lib_cur_term.c,v 1.13 2003/12/27 18:21:30 tom Exp $")
00044 
00045 NCURSES_EXPORT_VAR(TERMINAL *) cur_term = 0;
00046 
00047 NCURSES_EXPORT(TERMINAL *)
00048 set_curterm(TERMINAL * termp)
00049 {
00050     TERMINAL *oldterm = cur_term;
00051 
00052     T((T_CALLED("set_curterm(%p)"), termp));
00053 
00054     if ((cur_term = termp) != 0) {
00055        ospeed = _nc_ospeed(cur_term->_baudrate);
00056        PC = (pad_char != NULL) ? pad_char[0] : 0;
00057     }
00058     T((T_RETURN("%p"), oldterm));
00059     return (oldterm);
00060 }
00061 
00062 NCURSES_EXPORT(int)
00063 del_curterm(TERMINAL * termp)
00064 {
00065     T((T_CALLED("del_curterm(%p)"), termp));
00066 
00067     if (termp != 0) {
00068        _nc_free_termtype(&(termp->type));
00069        FreeIfNeeded(termp->_termname);
00070        free(termp);
00071        if (termp == cur_term)
00072            cur_term = 0;
00073        returnCode(OK);
00074     }
00075     returnCode(ERR);
00076 }