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Annotation of src/usr.bin/window/wwterminfo.c, Revision 1.1.1.1

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 */