2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#) Copyright (c) 1989, 1993 The Regents of the University of California. All rights reserved.
30 * @(#)unvis.c 8.1 (Berkeley) 6/6/93
31 * $NetBSD: unvis.c,v 1.13 2010/11/27 19:46:25 christos Exp $
40 static void process(FILE *, const char *, int);
43 main(int argc, char *argv[])
49 while ((ch = getopt(argc, argv, "eHhm")) != -1)
52 eflags |= VIS_NOESCAPE;
55 eflags |= VIS_HTTP1866;
58 eflags |= VIS_HTTP1808;
61 eflags |= VIS_MIMESTYLE;
66 "usage: %s [-e] [-Hh | -m] [file...]\n",
73 switch (eflags & (VIS_HTTP1808|VIS_HTTP1866|VIS_MIMESTYLE)) {
74 case VIS_HTTP1808|VIS_MIMESTYLE:
75 case VIS_HTTP1866|VIS_MIMESTYLE:
76 case VIS_HTTP1808|VIS_HTTP1866|VIS_MIMESTYLE:
77 errx(EXIT_FAILURE, "Can't mix -m with -h and/or -H");
84 if ((fp = fopen(*argv, "r")) != NULL)
85 process(fp, *argv, eflags);
91 process(stdin, "<stdin>", eflags);
96 process(FILE *fp, const char *filename, int eflags)
98 int offset = 0, c, ret;
102 while ((c = getc(fp)) != EOF) {
105 switch(ret = unvis(&outc, (char)c, &state, eflags)) {
109 case UNVIS_VALIDPUSH:
113 warnx("%s: offset: %d: can't decode", filename, offset);
120 errx(1, "bad return value (%d), can't happen", ret);
123 if (unvis(&outc, (char)0, &state, eflags | UNVIS_END) == UNVIS_VALID)