1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 __FBSDID("$FreeBSD$"); 31 32 /* 33 * KOI8-R -> CP866 conversion filter (Russian character sets) 34 */ 35 36 #include <sys/types.h> 37 #include <signal.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <unistd.h> 41 42 int length = 66; 43 int lines; 44 45 char *koi2alt[] = { 46 /* 0 1 2 3 4 5 6 7 */ 47 /* 8 9 A B C D E F */ 48 /* 8 */ "\xc4","\xb3","\xda","\xbf","\xc0","\xd9","\xc3","\xb4", 49 "\xc2","\xc1","\xc5","\xdf","\xdc","\xdb","\xdd","\xde", 50 /* 9 */ "\xb0","\xb1","\xb2","\xb3","\xfe","\xf9","\xfb","-\b~", 51 "<\b_",">\b_","\xff","\xb3","\xf8","2\b-","\xfa",":\b-", 52 /* A */ "\xcd","\xba","\xd5","\xf1","\xd6","\xc9","\xb8","\xb7", 53 "\xbb","\xd4","\xd3","\xc8","\xbe","\xbd","\xbc","\xc6", 54 /* B */ "\xc7","\xcc","\xb5","\xf0","\xb6","\xb9","\xd1","\xd2", 55 "\xcb","\xcf","\xd0","\xca","\xd8","\xd7","\xce","c\b_", 56 /* C */ "\xee","\xa0","\xa1","\xe6","\xa4","\xa5","\xe4","\xa3", 57 "\xe5","\xa8","\xa9","\xaa","\xab","\xac","\xad","\xae", 58 /* D */ "\xaf","\xef","\xe0","\xe1","\xe2","\xe3","\xa6","\xa2", 59 "\xec","\xeb","\xa7","\xe8","\xed","\xe9","\xe7","\xea", 60 /* E */ "\x9e","\x80","\x81","\x96","\x84","\x85","\x94","\x83", 61 "\x95","\x88","\x89","\x8a","\x8b","\x8c","\x8d","\x8e", 62 /* F */ "\x8f","\x9f","\x90","\x91","\x92","\x93","\x86","\x82", 63 "\x9c","\x9b","\x87","\x98","\x9d","\x99","\x97","\x9a" 64 }; 65 66 int main(int argc, char *argv[]) 67 { 68 int c, i; 69 char *cp; 70 71 while (--argc) { 72 if (*(cp = *++argv) == '-') { 73 switch (*++cp) { 74 case 'l': 75 if ((i = atoi(++cp)) > 0) 76 length = i; 77 break; 78 } 79 } 80 } 81 82 while ((c = getchar()) != EOF) { 83 if (c == '\031') { 84 if ((c = getchar()) == '\1') { 85 lines = 0; 86 fflush(stdout); 87 kill(getpid(), SIGSTOP); 88 continue; 89 } else { 90 ungetc(c, stdin); 91 c = '\031'; 92 } 93 } else if (c & 0x80) { 94 fputs(koi2alt[c & 0x7F], stdout); 95 continue; 96 } else if (c == '\n') 97 lines++; 98 else if (c == '\f') 99 lines = length; 100 putchar(c); 101 if (lines >= length) { 102 lines = 0; 103 fflush(stdout); 104 } 105 } 106 return 0; 107 } 108