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Annotation of src/usr.bin/tset/wrterm.c, Revision 1.2

1.2     ! deraadt     1: /*     $OpenBSD: wrterm.c,v 1.3 1994/12/07 05:08:16 jtc Exp $  */
1.1       deraadt     2: /*     $NetBSD: wrterm.c,v 1.3 1994/12/07 05:08:16 jtc Exp $   */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1991, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      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: #if 0
                     39: static char sccsid[] = "@(#)wrterm.c   8.1 (Berkeley) 6/9/93";
                     40: #endif
1.2     ! deraadt    41: static char rcsid[] = "$OpenBSD: wrterm.c,v 1.3 1994/12/07 05:08:16 jtc Exp $";
1.1       deraadt    42: #endif /* not lint */
                     43:
                     44: #include <sys/types.h>
                     45: #include <stdio.h>
                     46: #include <ctype.h>
                     47: #include <string.h>
                     48: #include "extern.h"
                     49:
                     50: /*
                     51:  * Output termcap entry to stdout, quoting characters that would give the
                     52:  * shell problems and omitting empty fields.
                     53:  */
                     54: void
                     55: wrtermcap(bp)
                     56:        char *bp;
                     57: {
                     58:        register int ch;
                     59:        register char *p;
                     60:        char *t, *sep;
                     61:
                     62:        /* Find the end of the terminal names. */
                     63:        if ((t = index(bp, ':')) == NULL)
                     64:                err("termcap names not colon terminated");
                     65:        *t++ = '\0';
                     66:
                     67:        /* Output terminal names that don't have whitespace. */
                     68:        sep = "";
                     69:        while ((p = strsep(&bp, "|")) != NULL)
                     70:                if (*p != '\0' && strpbrk(p, " \t") == NULL) {
                     71:                        (void)printf("%s%s", sep, p);
                     72:                        sep = "|";
                     73:                }
                     74:        (void)putchar(':');
                     75:
                     76:        /*
                     77:         * Output fields, transforming any dangerous characters.  Skip
                     78:         * empty fields or fields containing only whitespace.
                     79:         */
                     80:        while ((p = strsep(&t, ":")) != NULL) {
                     81:                while ((ch = *p) != '\0' && isspace(ch))
                     82:                        ++p;
                     83:                if (ch == '\0')
                     84:                        continue;
                     85:                while ((ch = *p++) != '\0')
                     86:                        switch(ch) {
                     87:                        case '\033':
                     88:                                (void)printf("\\E");
                     89:                        case  ' ':              /* No spaces. */
                     90:                                (void)printf("\\040");
                     91:                                break;
                     92:                        case '!':               /* No csh history chars. */
                     93:                                (void)printf("\\041");
                     94:                                break;
                     95:                        case ',':               /* No csh history chars. */
                     96:                                (void)printf("\\054");
                     97:                                break;
                     98:                        case '"':               /* No quotes. */
                     99:                                (void)printf("\\042");
                    100:                                break;
                    101:                        case '\'':              /* No quotes. */
                    102:                                (void)printf("\\047");
                    103:                                break;
                    104:                        case '`':               /* No quotes. */
                    105:                                (void)printf("\\140");
                    106:                                break;
                    107:                        case '\\':              /* Anything following is OK. */
                    108:                        case '^':
                    109:                                (void)putchar(ch);
                    110:                                if ((ch = *p++) == '\0')
                    111:                                        break;
                    112:                                /* FALLTHROUGH */
                    113:                        default:
                    114:                                (void)putchar(ch);
                    115:                }
                    116:                (void)putchar(':');
                    117:        }
                    118: }