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 * 3. 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 38 static char sccsid[] = "@(#)conv_tab.c 8.1 (Berkeley) 5/31/93"; 39 #endif 40 #endif /* not lint */ 41 #include <sys/cdefs.h> 42 #include <sys/types.h> 43 44 #include <signal.h> 45 #include <stdint.h> 46 47 #include "dd.h" 48 #include "extern.h" 49 50 /* 51 * There are currently six tables: 52 * 53 * ebcdic -> ascii 32V conv=oldascii 54 * ascii -> ebcdic 32V conv=oldebcdic 55 * ascii -> ibm ebcdic 32V conv=oldibm 56 * 57 * ebcdic -> ascii POSIX/S5 conv=ascii 58 * ascii -> ebcdic POSIX/S5 conv=ebcdic 59 * ascii -> ibm ebcdic POSIX/S5 conv=ibm 60 * 61 * Other tables are built from these if multiple conversions are being 62 * done. 63 * 64 * Tables used for conversions to/from IBM and EBCDIC to support an extension 65 * to POSIX P1003.2/D11. The tables referencing POSIX contain data extracted 66 * from tables 4-3 and 4-4 in P1003.2/Draft 11. The historic tables were 67 * constructed by running against a file with all possible byte values. 68 * 69 * More information can be obtained in "Correspondences of 8-Bit and Hollerith 70 * Codes for Computer Environments-A USASI Tutorial", Communications of the 71 * ACM, Volume 11, Number 11, November 1968, pp. 783-789. 72 */ 73 74 u_char casetab[256]; 75 76 /* EBCDIC to ASCII -- 32V compatible. */ 77 const u_char e2a_32V[] = { 78 0000, 0001, 0002, 0003, 0234, 0011, 0206, 0177, /* 0000 */ 79 0227, 0215, 0216, 0013, 0014, 0015, 0016, 0017, /* 0010 */ 80 0020, 0021, 0022, 0023, 0235, 0205, 0010, 0207, /* 0020 */ 81 0030, 0031, 0222, 0217, 0034, 0035, 0036, 0037, /* 0030 */ 82 0200, 0201, 0202, 0203, 0204, 0012, 0027, 0033, /* 0040 */ 83 0210, 0211, 0212, 0213, 0214, 0005, 0006, 0007, /* 0050 */ 84 0220, 0221, 0026, 0223, 0224, 0225, 0226, 0004, /* 0060 */ 85 0230, 0231, 0232, 0233, 0024, 0025, 0236, 0032, /* 0070 */ 86 0040, 0240, 0241, 0242, 0243, 0244, 0245, 0246, /* 0100 */ 87 0247, 0250, 0133, 0056, 0074, 0050, 0053, 0041, /* 0110 */ 88 0046, 0251, 0252, 0253, 0254, 0255, 0256, 0257, /* 0120 */ 89 0260, 0261, 0135, 0044, 0052, 0051, 0073, 0136, /* 0130 */ 90 0055, 0057, 0262, 0263, 0264, 0265, 0266, 0267, /* 0140 */ 91 0270, 0271, 0174, 0054, 0045, 0137, 0076, 0077, /* 0150 */ 92 0272, 0273, 0274, 0275, 0276, 0277, 0300, 0301, /* 0160 */ 93 0302, 0140, 0072, 0043, 0100, 0047, 0075, 0042, /* 0170 */ 94 0303, 0141, 0142, 0143, 0144, 0145, 0146, 0147, /* 0200 */ 95 0150, 0151, 0304, 0305, 0306, 0307, 0310, 0311, /* 0210 */ 96 0312, 0152, 0153, 0154, 0155, 0156, 0157, 0160, /* 0220 */ 97 0161, 0162, 0313, 0314, 0315, 0316, 0317, 0320, /* 0230 */ 98 0321, 0176, 0163, 0164, 0165, 0166, 0167, 0170, /* 0240 */ 99 0171, 0172, 0322, 0323, 0324, 0325, 0326, 0327, /* 0250 */ 100 0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337, /* 0260 */ 101 0340, 0341, 0342, 0343, 0344, 0345, 0346, 0347, /* 0270 */ 102 0173, 0101, 0102, 0103, 0104, 0105, 0106, 0107, /* 0300 */ 103 0110, 0111, 0350, 0351, 0352, 0353, 0354, 0355, /* 0310 */ 104 0175, 0112, 0113, 0114, 0115, 0116, 0117, 0120, /* 0320 */ 105 0121, 0122, 0356, 0357, 0360, 0361, 0362, 0363, /* 0330 */ 106 0134, 0237, 0123, 0124, 0125, 0126, 0127, 0130, /* 0340 */ 107 0131, 0132, 0364, 0365, 0366, 0367, 0370, 0371, /* 0350 */ 108 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067, /* 0360 */ 109 0070, 0071, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */ 110 }; 111 112 /* ASCII to EBCDIC -- 32V compatible. */ 113 const u_char a2e_32V[] = { 114 0000, 0001, 0002, 0003, 0067, 0055, 0056, 0057, /* 0000 */ 115 0026, 0005, 0045, 0013, 0014, 0015, 0016, 0017, /* 0010 */ 116 0020, 0021, 0022, 0023, 0074, 0075, 0062, 0046, /* 0020 */ 117 0030, 0031, 0077, 0047, 0034, 0035, 0036, 0037, /* 0030 */ 118 0100, 0117, 0177, 0173, 0133, 0154, 0120, 0175, /* 0040 */ 119 0115, 0135, 0134, 0116, 0153, 0140, 0113, 0141, /* 0050 */ 120 0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, /* 0060 */ 121 0370, 0371, 0172, 0136, 0114, 0176, 0156, 0157, /* 0070 */ 122 0174, 0301, 0302, 0303, 0304, 0305, 0306, 0307, /* 0100 */ 123 0310, 0311, 0321, 0322, 0323, 0324, 0325, 0326, /* 0110 */ 124 0327, 0330, 0331, 0342, 0343, 0344, 0345, 0346, /* 0120 */ 125 0347, 0350, 0351, 0112, 0340, 0132, 0137, 0155, /* 0130 */ 126 0171, 0201, 0202, 0203, 0204, 0205, 0206, 0207, /* 0140 */ 127 0210, 0211, 0221, 0222, 0223, 0224, 0225, 0226, /* 0150 */ 128 0227, 0230, 0231, 0242, 0243, 0244, 0245, 0246, /* 0160 */ 129 0247, 0250, 0251, 0300, 0152, 0320, 0241, 0007, /* 0170 */ 130 0040, 0041, 0042, 0043, 0044, 0025, 0006, 0027, /* 0200 */ 131 0050, 0051, 0052, 0053, 0054, 0011, 0012, 0033, /* 0210 */ 132 0060, 0061, 0032, 0063, 0064, 0065, 0066, 0010, /* 0220 */ 133 0070, 0071, 0072, 0073, 0004, 0024, 0076, 0341, /* 0230 */ 134 0101, 0102, 0103, 0104, 0105, 0106, 0107, 0110, /* 0240 */ 135 0111, 0121, 0122, 0123, 0124, 0125, 0126, 0127, /* 0250 */ 136 0130, 0131, 0142, 0143, 0144, 0145, 0146, 0147, /* 0260 */ 137 0150, 0151, 0160, 0161, 0162, 0163, 0164, 0165, /* 0270 */ 138 0166, 0167, 0170, 0200, 0212, 0213, 0214, 0215, /* 0300 */ 139 0216, 0217, 0220, 0232, 0233, 0234, 0235, 0236, /* 0310 */ 140 0237, 0240, 0252, 0253, 0254, 0255, 0256, 0257, /* 0320 */ 141 0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, /* 0330 */ 142 0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277, /* 0340 */ 143 0312, 0313, 0314, 0315, 0316, 0317, 0332, 0333, /* 0350 */ 144 0334, 0335, 0336, 0337, 0352, 0353, 0354, 0355, /* 0360 */ 145 0356, 0357, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */ 146 }; 147 148 /* ASCII to IBM EBCDIC -- 32V compatible. */ 149 const u_char a2ibm_32V[] = { 150 0000, 0001, 0002, 0003, 0067, 0055, 0056, 0057, /* 0000 */ 151 0026, 0005, 0045, 0013, 0014, 0015, 0016, 0017, /* 0010 */ 152 0020, 0021, 0022, 0023, 0074, 0075, 0062, 0046, /* 0020 */ 153 0030, 0031, 0077, 0047, 0034, 0035, 0036, 0037, /* 0030 */ 154 0100, 0132, 0177, 0173, 0133, 0154, 0120, 0175, /* 0040 */ 155 0115, 0135, 0134, 0116, 0153, 0140, 0113, 0141, /* 0050 */ 156 0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, /* 0060 */ 157 0370, 0371, 0172, 0136, 0114, 0176, 0156, 0157, /* 0070 */ 158 0174, 0301, 0302, 0303, 0304, 0305, 0306, 0307, /* 0100 */ 159 0310, 0311, 0321, 0322, 0323, 0324, 0325, 0326, /* 0110 */ 160 0327, 0330, 0331, 0342, 0343, 0344, 0345, 0346, /* 0120 */ 161 0347, 0350, 0351, 0255, 0340, 0275, 0137, 0155, /* 0130 */ 162 0171, 0201, 0202, 0203, 0204, 0205, 0206, 0207, /* 0140 */ 163 0210, 0211, 0221, 0222, 0223, 0224, 0225, 0226, /* 0150 */ 164 0227, 0230, 0231, 0242, 0243, 0244, 0245, 0246, /* 0160 */ 165 0247, 0250, 0251, 0300, 0117, 0320, 0241, 0007, /* 0170 */ 166 0040, 0041, 0042, 0043, 0044, 0025, 0006, 0027, /* 0200 */ 167 0050, 0051, 0052, 0053, 0054, 0011, 0012, 0033, /* 0210 */ 168 0060, 0061, 0032, 0063, 0064, 0065, 0066, 0010, /* 0220 */ 169 0070, 0071, 0072, 0073, 0004, 0024, 0076, 0341, /* 0230 */ 170 0101, 0102, 0103, 0104, 0105, 0106, 0107, 0110, /* 0240 */ 171 0111, 0121, 0122, 0123, 0124, 0125, 0126, 0127, /* 0250 */ 172 0130, 0131, 0142, 0143, 0144, 0145, 0146, 0147, /* 0260 */ 173 0150, 0151, 0160, 0161, 0162, 0163, 0164, 0165, /* 0270 */ 174 0166, 0167, 0170, 0200, 0212, 0213, 0214, 0215, /* 0300 */ 175 0216, 0217, 0220, 0232, 0233, 0234, 0235, 0236, /* 0310 */ 176 0237, 0240, 0252, 0253, 0254, 0255, 0256, 0257, /* 0320 */ 177 0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, /* 0330 */ 178 0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277, /* 0340 */ 179 0312, 0313, 0314, 0315, 0316, 0317, 0332, 0333, /* 0350 */ 180 0334, 0335, 0336, 0337, 0352, 0353, 0354, 0355, /* 0360 */ 181 0356, 0357, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */ 182 }; 183 184 /* EBCDIC to ASCII -- POSIX and System V compatible. */ 185 const u_char e2a_POSIX[] = { 186 0000, 0001, 0002, 0003, 0234, 0011, 0206, 0177, /* 0000 */ 187 0227, 0215, 0216, 0013, 0014, 0015, 0016, 0017, /* 0010 */ 188 0020, 0021, 0022, 0023, 0235, 0205, 0010, 0207, /* 0020 */ 189 0030, 0031, 0222, 0217, 0034, 0035, 0036, 0037, /* 0030 */ 190 0200, 0201, 0202, 0203, 0204, 0012, 0027, 0033, /* 0040 */ 191 0210, 0211, 0212, 0213, 0214, 0005, 0006, 0007, /* 0050 */ 192 0220, 0221, 0026, 0223, 0224, 0225, 0226, 0004, /* 0060 */ 193 0230, 0231, 0232, 0233, 0024, 0025, 0236, 0032, /* 0070 */ 194 0040, 0240, 0241, 0242, 0243, 0244, 0245, 0246, /* 0100 */ 195 0247, 0250, 0325, 0056, 0074, 0050, 0053, 0174, /* 0110 */ 196 0046, 0251, 0252, 0253, 0254, 0255, 0256, 0257, /* 0120 */ 197 0260, 0261, 0041, 0044, 0052, 0051, 0073, 0176, /* 0130 */ 198 0055, 0057, 0262, 0263, 0264, 0265, 0266, 0267, /* 0140 */ 199 0270, 0271, 0313, 0054, 0045, 0137, 0076, 0077, /* 0150 */ 200 0272, 0273, 0274, 0275, 0276, 0277, 0300, 0301, /* 0160 */ 201 0302, 0140, 0072, 0043, 0100, 0047, 0075, 0042, /* 0170 */ 202 0303, 0141, 0142, 0143, 0144, 0145, 0146, 0147, /* 0200 */ 203 0150, 0151, 0304, 0305, 0306, 0307, 0310, 0311, /* 0210 */ 204 0312, 0152, 0153, 0154, 0155, 0156, 0157, 0160, /* 0220 */ 205 0161, 0162, 0136, 0314, 0315, 0316, 0317, 0320, /* 0230 */ 206 0321, 0345, 0163, 0164, 0165, 0166, 0167, 0170, /* 0240 */ 207 0171, 0172, 0322, 0323, 0324, 0133, 0326, 0327, /* 0250 */ 208 0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337, /* 0260 */ 209 0340, 0341, 0342, 0343, 0344, 0135, 0346, 0347, /* 0270 */ 210 0173, 0101, 0102, 0103, 0104, 0105, 0106, 0107, /* 0300 */ 211 0110, 0111, 0350, 0351, 0352, 0353, 0354, 0355, /* 0310 */ 212 0175, 0112, 0113, 0114, 0115, 0116, 0117, 0120, /* 0320 */ 213 0121, 0122, 0356, 0357, 0360, 0361, 0362, 0363, /* 0330 */ 214 0134, 0237, 0123, 0124, 0125, 0126, 0127, 0130, /* 0340 */ 215 0131, 0132, 0364, 0365, 0366, 0367, 0370, 0371, /* 0350 */ 216 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067, /* 0360 */ 217 0070, 0071, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */ 218 }; 219 220 /* ASCII to EBCDIC -- POSIX and System V compatible. */ 221 const u_char a2e_POSIX[] = { 222 0000, 0001, 0002, 0003, 0067, 0055, 0056, 0057, /* 0000 */ 223 0026, 0005, 0045, 0013, 0014, 0015, 0016, 0017, /* 0010 */ 224 0020, 0021, 0022, 0023, 0074, 0075, 0062, 0046, /* 0020 */ 225 0030, 0031, 0077, 0047, 0034, 0035, 0036, 0037, /* 0030 */ 226 0100, 0132, 0177, 0173, 0133, 0154, 0120, 0175, /* 0040 */ 227 0115, 0135, 0134, 0116, 0153, 0140, 0113, 0141, /* 0050 */ 228 0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, /* 0060 */ 229 0370, 0371, 0172, 0136, 0114, 0176, 0156, 0157, /* 0070 */ 230 0174, 0301, 0302, 0303, 0304, 0305, 0306, 0307, /* 0100 */ 231 0310, 0311, 0321, 0322, 0323, 0324, 0325, 0326, /* 0110 */ 232 0327, 0330, 0331, 0342, 0343, 0344, 0345, 0346, /* 0120 */ 233 0347, 0350, 0351, 0255, 0340, 0275, 0232, 0155, /* 0130 */ 234 0171, 0201, 0202, 0203, 0204, 0205, 0206, 0207, /* 0140 */ 235 0210, 0211, 0221, 0222, 0223, 0224, 0225, 0226, /* 0150 */ 236 0227, 0230, 0231, 0242, 0243, 0244, 0245, 0246, /* 0160 */ 237 0247, 0250, 0251, 0300, 0117, 0320, 0137, 0007, /* 0170 */ 238 0040, 0041, 0042, 0043, 0044, 0025, 0006, 0027, /* 0200 */ 239 0050, 0051, 0052, 0053, 0054, 0011, 0012, 0033, /* 0210 */ 240 0060, 0061, 0032, 0063, 0064, 0065, 0066, 0010, /* 0220 */ 241 0070, 0071, 0072, 0073, 0004, 0024, 0076, 0341, /* 0230 */ 242 0101, 0102, 0103, 0104, 0105, 0106, 0107, 0110, /* 0240 */ 243 0111, 0121, 0122, 0123, 0124, 0125, 0126, 0127, /* 0250 */ 244 0130, 0131, 0142, 0143, 0144, 0145, 0146, 0147, /* 0260 */ 245 0150, 0151, 0160, 0161, 0162, 0163, 0164, 0165, /* 0270 */ 246 0166, 0167, 0170, 0200, 0212, 0213, 0214, 0215, /* 0300 */ 247 0216, 0217, 0220, 0152, 0233, 0234, 0235, 0236, /* 0310 */ 248 0237, 0240, 0252, 0253, 0254, 0112, 0256, 0257, /* 0320 */ 249 0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, /* 0330 */ 250 0270, 0271, 0272, 0273, 0274, 0241, 0276, 0277, /* 0340 */ 251 0312, 0313, 0314, 0315, 0316, 0317, 0332, 0333, /* 0350 */ 252 0334, 0335, 0336, 0337, 0352, 0353, 0354, 0355, /* 0360 */ 253 0356, 0357, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */ 254 }; 255 256 /* ASCII to IBM EBCDIC -- POSIX and System V compatible. */ 257 const u_char a2ibm_POSIX[] = { 258 0000, 0001, 0002, 0003, 0067, 0055, 0056, 0057, /* 0000 */ 259 0026, 0005, 0045, 0013, 0014, 0015, 0016, 0017, /* 0010 */ 260 0020, 0021, 0022, 0023, 0074, 0075, 0062, 0046, /* 0020 */ 261 0030, 0031, 0077, 0047, 0034, 0035, 0036, 0037, /* 0030 */ 262 0100, 0132, 0177, 0173, 0133, 0154, 0120, 0175, /* 0040 */ 263 0115, 0135, 0134, 0116, 0153, 0140, 0113, 0141, /* 0050 */ 264 0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, /* 0060 */ 265 0370, 0371, 0172, 0136, 0114, 0176, 0156, 0157, /* 0070 */ 266 0174, 0301, 0302, 0303, 0304, 0305, 0306, 0307, /* 0100 */ 267 0310, 0311, 0321, 0322, 0323, 0324, 0325, 0326, /* 0110 */ 268 0327, 0330, 0331, 0342, 0343, 0344, 0345, 0346, /* 0120 */ 269 0347, 0350, 0351, 0255, 0340, 0275, 0137, 0155, /* 0130 */ 270 0171, 0201, 0202, 0203, 0204, 0205, 0206, 0207, /* 0140 */ 271 0210, 0211, 0221, 0222, 0223, 0224, 0225, 0226, /* 0150 */ 272 0227, 0230, 0231, 0242, 0243, 0244, 0245, 0246, /* 0160 */ 273 0247, 0250, 0251, 0300, 0117, 0320, 0241, 0007, /* 0170 */ 274 0040, 0041, 0042, 0043, 0044, 0025, 0006, 0027, /* 0200 */ 275 0050, 0051, 0052, 0053, 0054, 0011, 0012, 0033, /* 0210 */ 276 0060, 0061, 0032, 0063, 0064, 0065, 0066, 0010, /* 0220 */ 277 0070, 0071, 0072, 0073, 0004, 0024, 0076, 0341, /* 0230 */ 278 0101, 0102, 0103, 0104, 0105, 0106, 0107, 0110, /* 0240 */ 279 0111, 0121, 0122, 0123, 0124, 0125, 0126, 0127, /* 0250 */ 280 0130, 0131, 0142, 0143, 0144, 0145, 0146, 0147, /* 0260 */ 281 0150, 0151, 0160, 0161, 0162, 0163, 0164, 0165, /* 0270 */ 282 0166, 0167, 0170, 0200, 0212, 0213, 0214, 0215, /* 0300 */ 283 0216, 0217, 0220, 0232, 0233, 0234, 0235, 0236, /* 0310 */ 284 0237, 0240, 0252, 0253, 0254, 0255, 0256, 0257, /* 0320 */ 285 0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, /* 0330 */ 286 0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277, /* 0340 */ 287 0312, 0313, 0314, 0315, 0316, 0317, 0332, 0333, /* 0350 */ 288 0334, 0335, 0336, 0337, 0352, 0353, 0354, 0355, /* 0360 */ 289 0356, 0357, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */ 290 }; 291