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Annotation of src/usr.bin/window/wwterminfo.c, Revision 1.1

1.1     ! deraadt     1: /*
        !             2:  * Copyright (c) 1982, 1993
        !             3:  *     The Regents of the University of California.  All rights reserved.
        !             4:  *
        !             5:  * This code is derived from software contributed to Berkeley by
        !             6:  * Edward Wang at The University of California, Berkeley.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. All advertising materials mentioning features or use of this software
        !            17:  *    must display the following acknowledgement:
        !            18:  *     This product includes software developed by the University of
        !            19:  *     California, Berkeley and its contributors.
        !            20:  * 4. Neither the name of the University nor the names of its contributors
        !            21:  *    may be used to endorse or promote products derived from this software
        !            22:  *    without specific prior written permission.
        !            23:  *
        !            24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            34:  * SUCH DAMAGE.
        !            35:  */
        !            36:
        !            37: #ifndef lint
        !            38: static char sccsid[] = "@(#)wwterminfo.c       8.1 (Berkeley) 6/6/93";
        !            39: #endif /* not lint */
        !            40:
        !            41: #ifdef TERMINFO
        !            42:
        !            43: #include "ww.h"
        !            44: #include <stdio.h>
        !            45: #include <paths.h>
        !            46: #include "local.h"
        !            47:
        !            48: /*
        !            49:  * Terminfo support
        !            50:  *
        !            51:  * Written by Brian Buhrow
        !            52:  *
        !            53:  * Subsequently modified by Edward Wang
        !            54:  */
        !            55:
        !            56: /*
        !            57:  * Initialize the working terminfo directory
        !            58:  */
        !            59: wwterminfoinit()
        !            60: {
        !            61:        FILE *fp;
        !            62:        char buf[2048];
        !            63:
        !            64:                /* make the directory */
        !            65:        (void) sprintf(wwterminfopath, "%swwinXXXXXX", _PATH_TMP);
        !            66:        mktemp(wwterminfopath);
        !            67:        if (mkdir(wwterminfopath, 0755) < 0 ||
        !            68:            chmod(wwterminfopath, 00755) < 0) {
        !            69:                wwerrno = WWE_SYS;
        !            70:                return -1;
        !            71:        }
        !            72:        (void) setenv("TERMINFO", wwterminfopath, 1);
        !            73:                /* make a termcap entry and turn it into terminfo */
        !            74:        (void) sprintf(buf, "%s/cap", wwterminfopath);
        !            75:        if ((fp = fopen(buf, "w")) == NULL) {
        !            76:                wwerrno = WWE_SYS;
        !            77:                return -1;
        !            78:        }
        !            79:        (void) fprintf(fp, "%sco#%d:li#%d:%s\n",
        !            80:                WWT_TERMCAP, wwncol, wwnrow, wwwintermcap);
        !            81:        (void) fclose(fp);
        !            82:        (void) sprintf(buf,
        !            83:                "cd %s; %s cap >info 2>/dev/null; %s info >/dev/null 2>&1",
        !            84:                wwterminfopath, _PATH_CAPTOINFO, _PATH_TIC);
        !            85:        (void) system(buf);
        !            86:        return 0;
        !            87: }
        !            88:
        !            89: /*
        !            90:  * Delete the working terminfo directory at shutdown
        !            91:  */
        !            92: wwterminfoend()
        !            93: {
        !            94:
        !            95:        switch (vfork()) {
        !            96:        case -1:
        !            97:                /* can't really do (or say) anything about errors */
        !            98:                return -1;
        !            99:        case 0:
        !           100:                execl(_PATH_RM, _PATH_RM, "-rf", wwterminfopath, 0);
        !           101:                return -1;
        !           102:        default:
        !           103:                return 0;
        !           104:        }
        !           105: }
        !           106:
        !           107: #endif /* TERMINFO */