conv_tab.c revision 330897
1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Keith Muller of the University of California, San Diego and Lance 9 * Visser of Convex Computer Corporation. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#ifndef lint 37#if 0 38static char sccsid[] = "@(#)conv_tab.c 8.1 (Berkeley) 5/31/93"; 39#endif 40#endif /* not lint */ 41#include <sys/cdefs.h> 42__FBSDID("$FreeBSD: stable/11/bin/dd/conv_tab.c 330897 2018-03-14 03:19:51Z eadler $"); 43 44#include <sys/types.h> 45 46#include <signal.h> 47#include <stdint.h> 48 49#include "dd.h" 50#include "extern.h" 51 52/* 53 * There are currently six tables: 54 * 55 * ebcdic -> ascii 32V conv=oldascii 56 * ascii -> ebcdic 32V conv=oldebcdic 57 * ascii -> ibm ebcdic 32V conv=oldibm 58 * 59 * ebcdic -> ascii POSIX/S5 conv=ascii 60 * ascii -> ebcdic POSIX/S5 conv=ebcdic 61 * ascii -> ibm ebcdic POSIX/S5 conv=ibm 62 * 63 * Other tables are built from these if multiple conversions are being 64 * done. 65 * 66 * Tables used for conversions to/from IBM and EBCDIC to support an extension 67 * to POSIX P1003.2/D11. The tables referencing POSIX contain data extracted 68 * from tables 4-3 and 4-4 in P1003.2/Draft 11. The historic tables were 69 * constructed by running against a file with all possible byte values. 70 * 71 * More information can be obtained in "Correspondences of 8-Bit and Hollerith 72 * Codes for Computer Environments-A USASI Tutorial", Communications of the 73 * ACM, Volume 11, Number 11, November 1968, pp. 783-789. 74 */ 75 76u_char casetab[256]; 77 78/* EBCDIC to ASCII -- 32V compatible. */ 79const u_char e2a_32V[] = { 80 0000, 0001, 0002, 0003, 0234, 0011, 0206, 0177, /* 0000 */ 81 0227, 0215, 0216, 0013, 0014, 0015, 0016, 0017, /* 0010 */ 82 0020, 0021, 0022, 0023, 0235, 0205, 0010, 0207, /* 0020 */ 83 0030, 0031, 0222, 0217, 0034, 0035, 0036, 0037, /* 0030 */ 84 0200, 0201, 0202, 0203, 0204, 0012, 0027, 0033, /* 0040 */ 85 0210, 0211, 0212, 0213, 0214, 0005, 0006, 0007, /* 0050 */ 86 0220, 0221, 0026, 0223, 0224, 0225, 0226, 0004, /* 0060 */ 87 0230, 0231, 0232, 0233, 0024, 0025, 0236, 0032, /* 0070 */ 88 0040, 0240, 0241, 0242, 0243, 0244, 0245, 0246, /* 0100 */ 89 0247, 0250, 0133, 0056, 0074, 0050, 0053, 0041, /* 0110 */ 90 0046, 0251, 0252, 0253, 0254, 0255, 0256, 0257, /* 0120 */ 91 0260, 0261, 0135, 0044, 0052, 0051, 0073, 0136, /* 0130 */ 92 0055, 0057, 0262, 0263, 0264, 0265, 0266, 0267, /* 0140 */ 93 0270, 0271, 0174, 0054, 0045, 0137, 0076, 0077, /* 0150 */ 94 0272, 0273, 0274, 0275, 0276, 0277, 0300, 0301, /* 0160 */ 95 0302, 0140, 0072, 0043, 0100, 0047, 0075, 0042, /* 0170 */ 96 0303, 0141, 0142, 0143, 0144, 0145, 0146, 0147, /* 0200 */ 97 0150, 0151, 0304, 0305, 0306, 0307, 0310, 0311, /* 0210 */ 98 0312, 0152, 0153, 0154, 0155, 0156, 0157, 0160, /* 0220 */ 99 0161, 0162, 0313, 0314, 0315, 0316, 0317, 0320, /* 0230 */ 100 0321, 0176, 0163, 0164, 0165, 0166, 0167, 0170, /* 0240 */ 101 0171, 0172, 0322, 0323, 0324, 0325, 0326, 0327, /* 0250 */ 102 0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337, /* 0260 */ 103 0340, 0341, 0342, 0343, 0344, 0345, 0346, 0347, /* 0270 */ 104 0173, 0101, 0102, 0103, 0104, 0105, 0106, 0107, /* 0300 */ 105 0110, 0111, 0350, 0351, 0352, 0353, 0354, 0355, /* 0310 */ 106 0175, 0112, 0113, 0114, 0115, 0116, 0117, 0120, /* 0320 */ 107 0121, 0122, 0356, 0357, 0360, 0361, 0362, 0363, /* 0330 */ 108 0134, 0237, 0123, 0124, 0125, 0126, 0127, 0130, /* 0340 */ 109 0131, 0132, 0364, 0365, 0366, 0367, 0370, 0371, /* 0350 */ 110 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067, /* 0360 */ 111 0070, 0071, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */ 112}; 113 114/* ASCII to EBCDIC -- 32V compatible. */ 115const u_char a2e_32V[] = { 116 0000, 0001, 0002, 0003, 0067, 0055, 0056, 0057, /* 0000 */ 117 0026, 0005, 0045, 0013, 0014, 0015, 0016, 0017, /* 0010 */ 118 0020, 0021, 0022, 0023, 0074, 0075, 0062, 0046, /* 0020 */ 119 0030, 0031, 0077, 0047, 0034, 0035, 0036, 0037, /* 0030 */ 120 0100, 0117, 0177, 0173, 0133, 0154, 0120, 0175, /* 0040 */ 121 0115, 0135, 0134, 0116, 0153, 0140, 0113, 0141, /* 0050 */ 122 0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, /* 0060 */ 123 0370, 0371, 0172, 0136, 0114, 0176, 0156, 0157, /* 0070 */ 124 0174, 0301, 0302, 0303, 0304, 0305, 0306, 0307, /* 0100 */ 125 0310, 0311, 0321, 0322, 0323, 0324, 0325, 0326, /* 0110 */ 126 0327, 0330, 0331, 0342, 0343, 0344, 0345, 0346, /* 0120 */ 127 0347, 0350, 0351, 0112, 0340, 0132, 0137, 0155, /* 0130 */ 128 0171, 0201, 0202, 0203, 0204, 0205, 0206, 0207, /* 0140 */ 129 0210, 0211, 0221, 0222, 0223, 0224, 0225, 0226, /* 0150 */ 130 0227, 0230, 0231, 0242, 0243, 0244, 0245, 0246, /* 0160 */ 131 0247, 0250, 0251, 0300, 0152, 0320, 0241, 0007, /* 0170 */ 132 0040, 0041, 0042, 0043, 0044, 0025, 0006, 0027, /* 0200 */ 133 0050, 0051, 0052, 0053, 0054, 0011, 0012, 0033, /* 0210 */ 134 0060, 0061, 0032, 0063, 0064, 0065, 0066, 0010, /* 0220 */ 135 0070, 0071, 0072, 0073, 0004, 0024, 0076, 0341, /* 0230 */ 136 0101, 0102, 0103, 0104, 0105, 0106, 0107, 0110, /* 0240 */ 137 0111, 0121, 0122, 0123, 0124, 0125, 0126, 0127, /* 0250 */ 138 0130, 0131, 0142, 0143, 0144, 0145, 0146, 0147, /* 0260 */ 139 0150, 0151, 0160, 0161, 0162, 0163, 0164, 0165, /* 0270 */ 140 0166, 0167, 0170, 0200, 0212, 0213, 0214, 0215, /* 0300 */ 141 0216, 0217, 0220, 0232, 0233, 0234, 0235, 0236, /* 0310 */ 142 0237, 0240, 0252, 0253, 0254, 0255, 0256, 0257, /* 0320 */ 143 0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, /* 0330 */ 144 0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277, /* 0340 */ 145 0312, 0313, 0314, 0315, 0316, 0317, 0332, 0333, /* 0350 */ 146 0334, 0335, 0336, 0337, 0352, 0353, 0354, 0355, /* 0360 */ 147 0356, 0357, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */ 148}; 149 150/* ASCII to IBM EBCDIC -- 32V compatible. */ 151const u_char a2ibm_32V[] = { 152 0000, 0001, 0002, 0003, 0067, 0055, 0056, 0057, /* 0000 */ 153 0026, 0005, 0045, 0013, 0014, 0015, 0016, 0017, /* 0010 */ 154 0020, 0021, 0022, 0023, 0074, 0075, 0062, 0046, /* 0020 */ 155 0030, 0031, 0077, 0047, 0034, 0035, 0036, 0037, /* 0030 */ 156 0100, 0132, 0177, 0173, 0133, 0154, 0120, 0175, /* 0040 */ 157 0115, 0135, 0134, 0116, 0153, 0140, 0113, 0141, /* 0050 */ 158 0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, /* 0060 */ 159 0370, 0371, 0172, 0136, 0114, 0176, 0156, 0157, /* 0070 */ 160 0174, 0301, 0302, 0303, 0304, 0305, 0306, 0307, /* 0100 */ 161 0310, 0311, 0321, 0322, 0323, 0324, 0325, 0326, /* 0110 */ 162 0327, 0330, 0331, 0342, 0343, 0344, 0345, 0346, /* 0120 */ 163 0347, 0350, 0351, 0255, 0340, 0275, 0137, 0155, /* 0130 */ 164 0171, 0201, 0202, 0203, 0204, 0205, 0206, 0207, /* 0140 */ 165 0210, 0211, 0221, 0222, 0223, 0224, 0225, 0226, /* 0150 */ 166 0227, 0230, 0231, 0242, 0243, 0244, 0245, 0246, /* 0160 */ 167 0247, 0250, 0251, 0300, 0117, 0320, 0241, 0007, /* 0170 */ 168 0040, 0041, 0042, 0043, 0044, 0025, 0006, 0027, /* 0200 */ 169 0050, 0051, 0052, 0053, 0054, 0011, 0012, 0033, /* 0210 */ 170 0060, 0061, 0032, 0063, 0064, 0065, 0066, 0010, /* 0220 */ 171 0070, 0071, 0072, 0073, 0004, 0024, 0076, 0341, /* 0230 */ 172 0101, 0102, 0103, 0104, 0105, 0106, 0107, 0110, /* 0240 */ 173 0111, 0121, 0122, 0123, 0124, 0125, 0126, 0127, /* 0250 */ 174 0130, 0131, 0142, 0143, 0144, 0145, 0146, 0147, /* 0260 */ 175 0150, 0151, 0160, 0161, 0162, 0163, 0164, 0165, /* 0270 */ 176 0166, 0167, 0170, 0200, 0212, 0213, 0214, 0215, /* 0300 */ 177 0216, 0217, 0220, 0232, 0233, 0234, 0235, 0236, /* 0310 */ 178 0237, 0240, 0252, 0253, 0254, 0255, 0256, 0257, /* 0320 */ 179 0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, /* 0330 */ 180 0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277, /* 0340 */ 181 0312, 0313, 0314, 0315, 0316, 0317, 0332, 0333, /* 0350 */ 182 0334, 0335, 0336, 0337, 0352, 0353, 0354, 0355, /* 0360 */ 183 0356, 0357, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */ 184}; 185 186/* EBCDIC to ASCII -- POSIX and System V compatible. */ 187const u_char e2a_POSIX[] = { 188 0000, 0001, 0002, 0003, 0234, 0011, 0206, 0177, /* 0000 */ 189 0227, 0215, 0216, 0013, 0014, 0015, 0016, 0017, /* 0010 */ 190 0020, 0021, 0022, 0023, 0235, 0205, 0010, 0207, /* 0020 */ 191 0030, 0031, 0222, 0217, 0034, 0035, 0036, 0037, /* 0030 */ 192 0200, 0201, 0202, 0203, 0204, 0012, 0027, 0033, /* 0040 */ 193 0210, 0211, 0212, 0213, 0214, 0005, 0006, 0007, /* 0050 */ 194 0220, 0221, 0026, 0223, 0224, 0225, 0226, 0004, /* 0060 */ 195 0230, 0231, 0232, 0233, 0024, 0025, 0236, 0032, /* 0070 */ 196 0040, 0240, 0241, 0242, 0243, 0244, 0245, 0246, /* 0100 */ 197 0247, 0250, 0325, 0056, 0074, 0050, 0053, 0174, /* 0110 */ 198 0046, 0251, 0252, 0253, 0254, 0255, 0256, 0257, /* 0120 */ 199 0260, 0261, 0041, 0044, 0052, 0051, 0073, 0176, /* 0130 */ 200 0055, 0057, 0262, 0263, 0264, 0265, 0266, 0267, /* 0140 */ 201 0270, 0271, 0313, 0054, 0045, 0137, 0076, 0077, /* 0150 */ 202 0272, 0273, 0274, 0275, 0276, 0277, 0300, 0301, /* 0160 */ 203 0302, 0140, 0072, 0043, 0100, 0047, 0075, 0042, /* 0170 */ 204 0303, 0141, 0142, 0143, 0144, 0145, 0146, 0147, /* 0200 */ 205 0150, 0151, 0304, 0305, 0306, 0307, 0310, 0311, /* 0210 */ 206 0312, 0152, 0153, 0154, 0155, 0156, 0157, 0160, /* 0220 */ 207 0161, 0162, 0136, 0314, 0315, 0316, 0317, 0320, /* 0230 */ 208 0321, 0345, 0163, 0164, 0165, 0166, 0167, 0170, /* 0240 */ 209 0171, 0172, 0322, 0323, 0324, 0133, 0326, 0327, /* 0250 */ 210 0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337, /* 0260 */ 211 0340, 0341, 0342, 0343, 0344, 0135, 0346, 0347, /* 0270 */ 212 0173, 0101, 0102, 0103, 0104, 0105, 0106, 0107, /* 0300 */ 213 0110, 0111, 0350, 0351, 0352, 0353, 0354, 0355, /* 0310 */ 214 0175, 0112, 0113, 0114, 0115, 0116, 0117, 0120, /* 0320 */ 215 0121, 0122, 0356, 0357, 0360, 0361, 0362, 0363, /* 0330 */ 216 0134, 0237, 0123, 0124, 0125, 0126, 0127, 0130, /* 0340 */ 217 0131, 0132, 0364, 0365, 0366, 0367, 0370, 0371, /* 0350 */ 218 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067, /* 0360 */ 219 0070, 0071, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */ 220}; 221 222/* ASCII to EBCDIC -- POSIX and System V compatible. */ 223const u_char a2e_POSIX[] = { 224 0000, 0001, 0002, 0003, 0067, 0055, 0056, 0057, /* 0000 */ 225 0026, 0005, 0045, 0013, 0014, 0015, 0016, 0017, /* 0010 */ 226 0020, 0021, 0022, 0023, 0074, 0075, 0062, 0046, /* 0020 */ 227 0030, 0031, 0077, 0047, 0034, 0035, 0036, 0037, /* 0030 */ 228 0100, 0132, 0177, 0173, 0133, 0154, 0120, 0175, /* 0040 */ 229 0115, 0135, 0134, 0116, 0153, 0140, 0113, 0141, /* 0050 */ 230 0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, /* 0060 */ 231 0370, 0371, 0172, 0136, 0114, 0176, 0156, 0157, /* 0070 */ 232 0174, 0301, 0302, 0303, 0304, 0305, 0306, 0307, /* 0100 */ 233 0310, 0311, 0321, 0322, 0323, 0324, 0325, 0326, /* 0110 */ 234 0327, 0330, 0331, 0342, 0343, 0344, 0345, 0346, /* 0120 */ 235 0347, 0350, 0351, 0255, 0340, 0275, 0232, 0155, /* 0130 */ 236 0171, 0201, 0202, 0203, 0204, 0205, 0206, 0207, /* 0140 */ 237 0210, 0211, 0221, 0222, 0223, 0224, 0225, 0226, /* 0150 */ 238 0227, 0230, 0231, 0242, 0243, 0244, 0245, 0246, /* 0160 */ 239 0247, 0250, 0251, 0300, 0117, 0320, 0137, 0007, /* 0170 */ 240 0040, 0041, 0042, 0043, 0044, 0025, 0006, 0027, /* 0200 */ 241 0050, 0051, 0052, 0053, 0054, 0011, 0012, 0033, /* 0210 */ 242 0060, 0061, 0032, 0063, 0064, 0065, 0066, 0010, /* 0220 */ 243 0070, 0071, 0072, 0073, 0004, 0024, 0076, 0341, /* 0230 */ 244 0101, 0102, 0103, 0104, 0105, 0106, 0107, 0110, /* 0240 */ 245 0111, 0121, 0122, 0123, 0124, 0125, 0126, 0127, /* 0250 */ 246 0130, 0131, 0142, 0143, 0144, 0145, 0146, 0147, /* 0260 */ 247 0150, 0151, 0160, 0161, 0162, 0163, 0164, 0165, /* 0270 */ 248 0166, 0167, 0170, 0200, 0212, 0213, 0214, 0215, /* 0300 */ 249 0216, 0217, 0220, 0152, 0233, 0234, 0235, 0236, /* 0310 */ 250 0237, 0240, 0252, 0253, 0254, 0112, 0256, 0257, /* 0320 */ 251 0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, /* 0330 */ 252 0270, 0271, 0272, 0273, 0274, 0241, 0276, 0277, /* 0340 */ 253 0312, 0313, 0314, 0315, 0316, 0317, 0332, 0333, /* 0350 */ 254 0334, 0335, 0336, 0337, 0352, 0353, 0354, 0355, /* 0360 */ 255 0356, 0357, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */ 256}; 257 258/* ASCII to IBM EBCDIC -- POSIX and System V compatible. */ 259const u_char a2ibm_POSIX[] = { 260 0000, 0001, 0002, 0003, 0067, 0055, 0056, 0057, /* 0000 */ 261 0026, 0005, 0045, 0013, 0014, 0015, 0016, 0017, /* 0010 */ 262 0020, 0021, 0022, 0023, 0074, 0075, 0062, 0046, /* 0020 */ 263 0030, 0031, 0077, 0047, 0034, 0035, 0036, 0037, /* 0030 */ 264 0100, 0132, 0177, 0173, 0133, 0154, 0120, 0175, /* 0040 */ 265 0115, 0135, 0134, 0116, 0153, 0140, 0113, 0141, /* 0050 */ 266 0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, /* 0060 */ 267 0370, 0371, 0172, 0136, 0114, 0176, 0156, 0157, /* 0070 */ 268 0174, 0301, 0302, 0303, 0304, 0305, 0306, 0307, /* 0100 */ 269 0310, 0311, 0321, 0322, 0323, 0324, 0325, 0326, /* 0110 */ 270 0327, 0330, 0331, 0342, 0343, 0344, 0345, 0346, /* 0120 */ 271 0347, 0350, 0351, 0255, 0340, 0275, 0137, 0155, /* 0130 */ 272 0171, 0201, 0202, 0203, 0204, 0205, 0206, 0207, /* 0140 */ 273 0210, 0211, 0221, 0222, 0223, 0224, 0225, 0226, /* 0150 */ 274 0227, 0230, 0231, 0242, 0243, 0244, 0245, 0246, /* 0160 */ 275 0247, 0250, 0251, 0300, 0117, 0320, 0241, 0007, /* 0170 */ 276 0040, 0041, 0042, 0043, 0044, 0025, 0006, 0027, /* 0200 */ 277 0050, 0051, 0052, 0053, 0054, 0011, 0012, 0033, /* 0210 */ 278 0060, 0061, 0032, 0063, 0064, 0065, 0066, 0010, /* 0220 */ 279 0070, 0071, 0072, 0073, 0004, 0024, 0076, 0341, /* 0230 */ 280 0101, 0102, 0103, 0104, 0105, 0106, 0107, 0110, /* 0240 */ 281 0111, 0121, 0122, 0123, 0124, 0125, 0126, 0127, /* 0250 */ 282 0130, 0131, 0142, 0143, 0144, 0145, 0146, 0147, /* 0260 */ 283 0150, 0151, 0160, 0161, 0162, 0163, 0164, 0165, /* 0270 */ 284 0166, 0167, 0170, 0200, 0212, 0213, 0214, 0215, /* 0300 */ 285 0216, 0217, 0220, 0232, 0233, 0234, 0235, 0236, /* 0310 */ 286 0237, 0240, 0252, 0253, 0254, 0255, 0256, 0257, /* 0320 */ 287 0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, /* 0330 */ 288 0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277, /* 0340 */ 289 0312, 0313, 0314, 0315, 0316, 0317, 0332, 0333, /* 0350 */ 290 0334, 0335, 0336, 0337, 0352, 0353, 0354, 0355, /* 0360 */ 291 0356, 0357, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */ 292}; 293