usr/src/usr.bin/window/wwterminfo.c

/*
 * Copyright (c) 1982 Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Edward Wang at The University of California, Berkeley.
 *
 * %sccs.include.redist.c%
 */

#ifndef lint
static char sccsid[] = "@(#)wwterminfo.c        3.1 (Berkeley) %G%";
#endif /* not lint */

#ifdef TERMINFO

#include "ww.h"
#include <stdio.h>
#include <paths.h>
#include "local.h"

/*
 * Terminfo support
 *
 * Written by Brian Buhrow
 *
 * Subsequently modified by Edward Wang
 */

/*
 * Initialize the working terminfo directory
 */
wwterminfoinit()
{
        FILE *fp;
        char buf[2048];

                /* make the directory */
        (void) sprintf(wwterminfopath, "%swwinXXXXXX", _PATH_TMP);
        mktemp(wwterminfopath);
        if (mkdir(wwterminfopath, 0755) < 0 ||
            chmod(wwterminfopath, 00755) < 0) {
                wwerrno = WWE_SYS;
                return -1;
        }
        (void) setenv("TERMINFO", wwterminfopath, 1);
                /* make a termcap entry and turn it into terminfo */
        (void) sprintf(buf, "%s/cap", wwterminfopath);
        if ((fp = fopen(buf, "w")) == NULL) {
                wwerrno = WWE_SYS;
                return -1;
        }
        (void) fprintf(fp, "%sco#%d:li#%d:%s\n",
                WWT_TERMCAP, wwncol, wwnrow, wwwintermcap);
        (void) fclose(fp);
        (void) sprintf(buf,
                "cd %s; %s cap >info 2>/dev/null; %s info >/dev/null 2>&1",
                wwterminfopath, _PATH_CAPTOINFO, _PATH_TIC);
        (void) system(buf);
        return 0;
}

/*
 * Delete the working terminfo directory at shutdown
 */
wwterminfoend()
{

        switch (vfork()) {
        case -1:
                /* can't really do (or say) anything about errors */
                return -1;
        case 0:
                execl(_PATH_RM, _PATH_RM, "-rf", wwterminfopath, 0);
                return -1;
        default:
                return 0;
        }
}

#endif /* TERMINFO */