88 lines
1.4 KiB
C
88 lines
1.4 KiB
C
/*-
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* Copyright (c) 1996
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* Keith Bostic. All rights reserved.
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*
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* See the LICENSE file for redistribution information.
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*/
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#include "config.h"
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#ifndef lint
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static const char sccsid[] = "@(#)ip_screen.c 8.2 (Berkeley) 10/13/96";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <bitstring.h>
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#include <stdio.h>
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#include "../common/common.h"
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#include "ip.h"
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/*
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* ip_screen --
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* Initialize/shutdown the IP screen.
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*
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* PUBLIC: int ip_screen __P((SCR *, u_int32_t));
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*/
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int
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ip_screen(sp, flags)
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SCR *sp;
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u_int32_t flags;
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{
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GS *gp;
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IP_PRIVATE *ipp;
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gp = sp->gp;
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ipp = IPP(sp);
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/* See if the current information is incorrect. */
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if (F_ISSET(gp, G_SRESTART)) {
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if (ip_quit(gp))
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return (1);
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F_CLR(gp, G_SRESTART);
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}
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/* See if we're already in the right mode. */
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if (LF_ISSET(SC_VI) && F_ISSET(ipp, IP_SCR_VI_INIT))
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return (0);
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/* Ex isn't possible. */
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if (LF_ISSET(SC_EX))
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return (1);
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/* Initialize terminal based information. */
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if (ip_term_init(sp))
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return (1);
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/* Put up the first file name. */
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if (ip_rename(sp))
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return (1);
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F_SET(ipp, IP_SCR_VI_INIT);
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return (0);
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}
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/*
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* ip_quit --
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* Shutdown the screens.
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*
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* PUBLIC: int ip_quit __P((GS *));
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*/
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int
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ip_quit(gp)
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GS *gp;
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{
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IP_PRIVATE *ipp;
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int rval;
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/* Clean up the terminal mappings. */
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rval = ip_term_end(gp);
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ipp = GIPP(gp);
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F_CLR(ipp, IP_SCR_VI_INIT);
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return (rval);
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}
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