1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (C) 1993-98 by Andrey A. Chernov, Moscow, Russia.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */
30 /*
31 * KOI8-R -> CP866 conversion filter (Russian character sets)
32 */
33
34 #include <sys/types.h>
35 #include <signal.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <unistd.h>
39
40 int length = 66;
41 int lines;
42
43 char *koi2alt[] = {
44 /* 0 1 2 3 4 5 6 7 */
45 /* 8 9 A B C D E F */
46 /* 8 */ "\xc4","\xb3","\xda","\xbf","\xc0","\xd9","\xc3","\xb4",
47 "\xc2","\xc1","\xc5","\xdf","\xdc","\xdb","\xdd","\xde",
48 /* 9 */ "\xb0","\xb1","\xb2","\xb3","\xfe","\xf9","\xfb","-\b~",
49 "<\b_",">\b_","\xff","\xb3","\xf8","2\b-","\xfa",":\b-",
50 /* A */ "\xcd","\xba","\xd5","\xf1","\xd6","\xc9","\xb8","\xb7",
51 "\xbb","\xd4","\xd3","\xc8","\xbe","\xbd","\xbc","\xc6",
52 /* B */ "\xc7","\xcc","\xb5","\xf0","\xb6","\xb9","\xd1","\xd2",
53 "\xcb","\xcf","\xd0","\xca","\xd8","\xd7","\xce","c\b_",
54 /* C */ "\xee","\xa0","\xa1","\xe6","\xa4","\xa5","\xe4","\xa3",
55 "\xe5","\xa8","\xa9","\xaa","\xab","\xac","\xad","\xae",
56 /* D */ "\xaf","\xef","\xe0","\xe1","\xe2","\xe3","\xa6","\xa2",
57 "\xec","\xeb","\xa7","\xe8","\xed","\xe9","\xe7","\xea",
58 /* E */ "\x9e","\x80","\x81","\x96","\x84","\x85","\x94","\x83",
59 "\x95","\x88","\x89","\x8a","\x8b","\x8c","\x8d","\x8e",
60 /* F */ "\x8f","\x9f","\x90","\x91","\x92","\x93","\x86","\x82",
61 "\x9c","\x9b","\x87","\x98","\x9d","\x99","\x97","\x9a"
62 };
63
main(int argc,char * argv[])64 int main(int argc, char *argv[])
65 {
66 int c, i;
67 char *cp;
68
69 while (--argc) {
70 if (*(cp = *++argv) == '-') {
71 switch (*++cp) {
72 case 'l':
73 if ((i = atoi(++cp)) > 0)
74 length = i;
75 break;
76 }
77 }
78 }
79
80 while ((c = getchar()) != EOF) {
81 if (c == '\031') {
82 if ((c = getchar()) == '\1') {
83 lines = 0;
84 fflush(stdout);
85 kill(getpid(), SIGSTOP);
86 continue;
87 } else {
88 ungetc(c, stdin);
89 c = '\031';
90 }
91 } else if (c & 0x80) {
92 fputs(koi2alt[c & 0x7F], stdout);
93 continue;
94 } else if (c == '\n')
95 lines++;
96 else if (c == '\f')
97 lines = length;
98 putchar(c);
99 if (lines >= length) {
100 lines = 0;
101 fflush(stdout);
102 }
103 }
104 return 0;
105 }
106