/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Keith Muller of the University of California, San Diego and Lance
* Visser of Convex Computer Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
#if 0
static char sccsid[] = "@(#)conv_tab.c 8.1 (Berkeley) 5/31/93";
#endif
#endif /* not lint */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <signal.h>
#include <stdint.h>
#include "dd.h"
#include "extern.h"
/*
* There are currently six tables:
*
* ebcdic -> ascii 32V conv=oldascii
* ascii -> ebcdic 32V conv=oldebcdic
* ascii -> ibm ebcdic 32V conv=oldibm
*
* ebcdic -> ascii POSIX/S5 conv=ascii
* ascii -> ebcdic POSIX/S5 conv=ebcdic
* ascii -> ibm ebcdic POSIX/S5 conv=ibm
*
* Other tables are built from these if multiple conversions are being
* done.
*
* Tables used for conversions to/from IBM and EBCDIC to support an extension
* to POSIX P1003.2/D11. The tables referencing POSIX contain data extracted
* from tables 4-3 and 4-4 in P1003.2/Draft 11. The historic tables were
* constructed by running against a file with all possible byte values.
*
* More information can be obtained in "Correspondences of 8-Bit and Hollerith
* Codes for Computer Environments-A USASI Tutorial", Communications of the
* ACM, Volume 11, Number 11, November 1968, pp. 783-789.
*/
u_char casetab[256];
/* EBCDIC to ASCII -- 32V compatible. */
const u_char e2a_32V[] = {
0000, 0001, 0002, 0003, 0234, 0011, 0206, 0177, /* 0000 */
0227, 0215, 0216, 0013, 0014, 0015, 0016, 0017, /* 0010 */
0020, 0021, 0022, 0023, 0235, 0205, 0010, 0207, /* 0020 */
0030, 0031, 0222, 0217, 0034, 0035, 0036, 0037, /* 0030 */
0200, 0201, 0202, 0203, 0204, 0012, 0027, 0033, /* 0040 */
0210, 0211, 0212, 0213, 0214, 0005, 0006, 0007, /* 0050 */
0220, 0221, 0026, 0223, 0224, 0225, 0226, 0004, /* 0060 */
0230, 0231, 0232, 0233, 0024, 0025, 0236, 0032, /* 0070 */
0040, 0240, 0241, 0242, 0243, 0244, 0245, 0246, /* 0100 */
0247, 0250, 0133, 0056, 0074, 0050, 0053, 0041, /* 0110 */
0046, 0251, 0252, 0253, 0254, 0255, 0256, 0257, /* 0120 */
0260, 0261, 0135, 0044, 0052, 0051, 0073, 0136, /* 0130 */
0055, 0057, 0262, 0263, 0264, 0265, 0266, 0267, /* 0140 */
0270, 0271, 0174, 0054, 0045, 0137, 0076, 0077, /* 0150 */
0272, 0273, 0274, 0275, 0276, 0277, 0300, 0301, /* 0160 */
0302, 0140, 0072, 0043, 0100, 0047, 0075, 0042, /* 0170 */
0303, 0141, 0142, 0143, 0144, 0145, 0146, 0147, /* 0200 */
0150, 0151, 0304, 0305, 0306, 0307, 0310, 0311, /* 0210 */
0312, 0152, 0153, 0154, 0155, 0156, 0157, 0160, /* 0220 */
0161, 0162, 0313, 0314, 0315, 0316, 0317, 0320, /* 0230 */
0321, 0176, 0163, 0164, 0165, 0166, 0167, 0170, /* 0240 */
0171, 0172, 0322, 0323, 0324, 0325, 0326, 0327, /* 0250 */
0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337, /* 0260 */
0340, 0341, 0342, 0343, 0344, 0345, 0346, 0347, /* 0270 */
0173, 0101, 0102, 0103, 0104, 0105, 0106, 0107, /* 0300 */
0110, 0111, 0350, 0351, 0352, 0353, 0354, 0355, /* 0310 */
0175, 0112, 0113, 0114, 0115, 0116, 0117, 0120, /* 0320 */
0121, 0122, 0356, 0357, 0360, 0361, 0362, 0363, /* 0330 */
0134, 0237, 0123, 0124, 0125, 0126, 0127, 0130, /* 0340 */
0131, 0132, 0364, 0365, 0366, 0367, 0370, 0371, /* 0350 */
0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067, /* 0360 */
0070, 0071, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */
};
/* ASCII to EBCDIC -- 32V compatible. */
const u_char a2e_32V[] = {
0000, 0001, 0002, 0003, 0067, 0055, 0056, 0057, /* 0000 */
0026, 0005, 0045, 0013, 0014, 0015, 0016, 0017, /* 0010 */
0020, 0021, 0022, 0023, 0074, 0075, 0062, 0046, /* 0020 */
0030, 0031, 0077, 0047, 0034, 0035, 0036, 0037, /* 0030 */
0100, 0117, 0177, 0173, 0133, 0154, 0120, 0175, /* 0040 */
0115, 0135, 0134, 0116, 0153, 0140, 0113, 0141, /* 0050 */
0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, /* 0060 */
0370, 0371, 0172, 0136, 0114, 0176, 0156, 0157, /* 0070 */
0174, 0301, 0302, 0303, 0304, 0305, 0306, 0307, /* 0100 */
0310, 0311, 0321, 0322, 0323, 0324, 0325, 0326, /* 0110 */
0327, 0330, 0331, 0342, 0343, 0344, 0345, 0346, /* 0120 */
0347, 0350, 0351, 0112, 0340, 0132, 0137, 0155, /* 0130 */
0171, 0201, 0202, 0203, 0204, 0205, 0206, 0207, /* 0140 */
0210, 0211, 0221, 0222, 0223, 0224, 0225, 0226, /* 0150 */
0227, 0230, 0231, 0242, 0243, 0244, 0245, 0246, /* 0160 */
0247, 0250, 0251, 0300, 0152, 0320, 0241, 0007, /* 0170 */
0040, 0041, 0042, 0043, 0044, 0025, 0006, 0027, /* 0200 */
0050, 0051, 0052, 0053, 0054, 0011, 0012, 0033, /* 0210 */
0060, 0061, 0032, 0063, 0064, 0065, 0066, 0010, /* 0220 */
0070, 0071, 0072, 0073, 0004, 0024, 0076, 0341, /* 0230 */
0101, 0102, 0103, 0104, 0105, 0106, 0107, 0110, /* 0240 */
0111, 0121, 0122, 0123, 0124, 0125, 0126, 0127, /* 0250 */
0130, 0131, 0142, 0143, 0144, 0145, 0146, 0147, /* 0260 */
0150, 0151, 0160, 0161, 0162, 0163, 0164, 0165, /* 0270 */
0166, 0167, 0170, 0200, 0212, 0213, 0214, 0215, /* 0300 */
0216, 0217, 0220, 0232, 0233, 0234, 0235, 0236, /* 0310 */
0237, 0240, 0252, 0253, 0254, 0255, 0256, 0257, /* 0320 */
0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, /* 0330 */
0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277, /* 0340 */
0312, 0313, 0314, 0315, 0316, 0317, 0332, 0333, /* 0350 */
0334, 0335, 0336, 0337, 0352, 0353, 0354, 0355, /* 0360 */
0356, 0357, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */
};
/* ASCII to IBM EBCDIC -- 32V compatible. */
const u_char a2ibm_32V[] = {
0000, 0001, 0002, 0003, 0067, 0055, 0056, 0057, /* 0000 */
0026, 0005, 0045, 0013, 0014, 0015, 0016, 0017, /* 0010 */
0020, 0021, 0022, 0023, 0074, 0075, 0062, 0046, /* 0020 */
0030, 0031, 0077, 0047, 0034, 0035, 0036, 0037, /* 0030 */
0100, 0132, 0177, 0173, 0133, 0154, 0120, 0175, /* 0040 */
0115, 0135, 0134, 0116, 0153, 0140, 0113, 0141, /* 0050 */
0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, /* 0060 */
0370, 0371, 0172, 0136, 0114, 0176, 0156, 0157, /* 0070 */
0174, 0301, 0302, 0303, 0304, 0305, 0306, 0307, /* 0100 */
0310, 0311, 0321, 0322, 0323, 0324, 0325, 0326, /* 0110 */
0327, 0330, 0331, 0342, 0343, 0344, 0345, 0346, /* 0120 */
0347, 0350, 0351, 0255, 0340, 0275, 0137, 0155, /* 0130 */
0171, 0201, 0202, 0203, 0204, 0205, 0206, 0207, /* 0140 */
0210, 0211, 0221, 0222, 0223, 0224, 0225, 0226, /* 0150 */
0227, 0230, 0231, 0242, 0243, 0244, 0245, 0246, /* 0160 */
0247, 0250, 0251, 0300, 0117, 0320, 0241, 0007, /* 0170 */
0040, 0041, 0042, 0043, 0044, 0025, 0006, 0027, /* 0200 */
0050, 0051, 0052, 0053, 0054, 0011, 0012, 0033, /* 0210 */
0060, 0061, 0032, 0063, 0064, 0065, 0066, 0010, /* 0220 */
0070, 0071, 0072, 0073, 0004, 0024, 0076, 0341, /* 0230 */
0101, 0102, 0103, 0104, 0105, 0106, 0107, 0110, /* 0240 */
0111, 0121, 0122, 0123, 0124, 0125, 0126, 0127, /* 0250 */
0130, 0131, 0142, 0143, 0144, 0145, 0146, 0147, /* 0260 */
0150, 0151, 0160, 0161, 0162, 0163, 0164, 0165, /* 0270 */
0166, 0167, 0170, 0200, 0212, 0213, 0214, 0215, /* 0300 */
0216, 0217, 0220, 0232, 0233, 0234, 0235, 0236, /* 0310 */
0237, 0240, 0252, 0253, 0254, 0255, 0256, 0257, /* 0320 */
0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, /* 0330 */
0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277, /* 0340 */
0312, 0313, 0314, 0315, 0316, 0317, 0332, 0333, /* 0350 */
0334, 0335, 0336, 0337, 0352, 0353, 0354, 0355, /* 0360 */
0356, 0357, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */
};
/* EBCDIC to ASCII -- POSIX and System V compatible. */
const u_char e2a_POSIX[] = {
0000, 0001, 0002, 0003, 0234, 0011, 0206, 0177, /* 0000 */
0227, 0215, 0216, 0013, 0014, 0015, 0016, 0017, /* 0010 */
0020, 0021, 0022, 0023, 0235, 0205, 0010, 0207, /* 0020 */
0030, 0031, 0222, 0217, 0034, 0035, 0036, 0037, /* 0030 */
0200, 0201, 0202, 0203, 0204, 0012, 0027, 0033, /* 0040 */
0210, 0211, 0212, 0213, 0214, 0005, 0006, 0007, /* 0050 */
0220, 0221, 0026, 0223, 0224, 0225, 0226, 0004, /* 0060 */
0230, 0231, 0232, 0233, 0024, 0025, 0236, 0032, /* 0070 */
0040, 0240, 0241, 0242, 0243, 0244, 0245, 0246, /* 0100 */
0247, 0250, 0325, 0056, 0074, 0050, 0053, 0174, /* 0110 */
0046, 0251, 0252, 0253, 0254, 0255, 0256, 0257, /* 0120 */
0260, 0261, 0041, 0044, 0052, 0051, 0073, 0176, /* 0130 */
0055, 0057, 0262, 0263, 0264, 0265, 0266, 0267, /* 0140 */
0270, 0271, 0313, 0054, 0045, 0137, 0076, 0077, /* 0150 */
0272, 0273, 0274, 0275, 0276, 0277, 0300, 0301, /* 0160 */
0302, 0140, 0072, 0043, 0100, 0047, 0075, 0042, /* 0170 */
0303, 0141, 0142, 0143, 0144, 0145, 0146, 0147, /* 0200 */
0150, 0151, 0304, 0305, 0306, 0307, 0310, 0311, /* 0210 */
0312, 0152, 0153, 0154, 0155, 0156, 0157, 0160, /* 0220 */
0161, 0162, 0136, 0314, 0315, 0316, 0317, 0320, /* 0230 */
0321, 0345, 0163, 0164, 0165, 0166, 0167, 0170, /* 0240 */
0171, 0172, 0322, 0323, 0324, 0133, 0326, 0327, /* 0250 */
0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337, /* 0260 */
0340, 0341, 0342, 0343, 0344, 0135, 0346, 0347, /* 0270 */
0173, 0101, 0102, 0103, 0104, 0105, 0106, 0107, /* 0300 */
0110, 0111, 0350, 0351, 0352, 0353, 0354, 0355, /* 0310 */
0175, 0112, 0113, 0114, 0115, 0116, 0117, 0120, /* 0320 */
0121, 0122, 0356, 0357, 0360, 0361, 0362, 0363, /* 0330 */
0134, 0237, 0123, 0124, 0125, 0126, 0127, 0130, /* 0340 */
0131, 0132, 0364, 0365, 0366, 0367, 0370, 0371, /* 0350 */
0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067, /* 0360 */
0070, 0071, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */
};
/* ASCII to EBCDIC -- POSIX and System V compatible. */
const u_char a2e_POSIX[] = {
0000, 0001, 0002, 0003, 0067, 0055, 0056, 0057, /* 0000 */
0026, 0005, 0045, 0013, 0014, 0015, 0016, 0017, /* 0010 */
0020, 0021, 0022, 0023, 0074, 0075, 0062, 0046, /* 0020 */
0030, 0031, 0077, 0047, 0034, 0035, 0036, 0037, /* 0030 */
0100, 0132, 0177, 0173, 0133, 0154, 0120, 0175, /* 0040 */
0115, 0135, 0134, 0116, 0153, 0140, 0113, 0141, /* 0050 */
0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, /* 0060 */
0370, 0371, 0172, 0136, 0114, 0176, 0156, 0157, /* 0070 */
0174, 0301, 0302, 0303, 0304, 0305, 0306, 0307, /* 0100 */
0310, 0311, 0321, 0322, 0323, 0324, 0325, 0326, /* 0110 */
0327, 0330, 0331, 0342, 0343, 0344, 0345, 0346, /* 0120 */
0347, 0350, 0351, 0255, 0340, 0275, 0232, 0155, /* 0130 */
0171, 0201, 0202, 0203, 0204, 0205, 0206, 0207, /* 0140 */
0210, 0211, 0221, 0222, 0223, 0224, 0225, 0226, /* 0150 */
0227, 0230, 0231, 0242, 0243, 0244, 0245, 0246, /* 0160 */
0247, 0250, 0251, 0300, 0117, 0320, 0137, 0007, /* 0170 */
0040, 0041, 0042, 0043, 0044, 0025, 0006, 0027, /* 0200 */
0050, 0051, 0052, 0053, 0054, 0011, 0012, 0033, /* 0210 */
0060, 0061, 0032, 0063, 0064, 0065, 0066, 0010, /* 0220 */
0070, 0071, 0072, 0073, 0004, 0024, 0076, 0341, /* 0230 */
0101, 0102, 0103, 0104, 0105, 0106, 0107, 0110, /* 0240 */
0111, 0121, 0122, 0123, 0124, 0125, 0126, 0127, /* 0250 */
0130, 0131, 0142, 0143, 0144, 0145, 0146, 0147, /* 0260 */
0150, 0151, 0160, 0161, 0162, 0163, 0164, 0165, /* 0270 */
0166, 0167, 0170, 0200, 0212, 0213, 0214, 0215, /* 0300 */
0216, 0217, 0220, 0152, 0233, 0234, 0235, 0236, /* 0310 */
0237, 0240, 0252, 0253, 0254, 0112, 0256, 0257, /* 0320 */
0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, /* 0330 */
0270, 0271, 0272, 0273, 0274, 0241, 0276, 0277, /* 0340 */
0312, 0313, 0314, 0315, 0316, 0317, 0332, 0333, /* 0350 */
0334, 0335, 0336, 0337, 0352, 0353, 0354, 0355, /* 0360 */
0356, 0357, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */
};
/* ASCII to IBM EBCDIC -- POSIX and System V compatible. */
const u_char a2ibm_POSIX[] = {
0000, 0001, 0002, 0003, 0067, 0055, 0056, 0057, /* 0000 */
0026, 0005, 0045, 0013, 0014, 0015, 0016, 0017, /* 0010 */
0020, 0021, 0022, 0023, 0074, 0075, 0062, 0046, /* 0020 */
0030, 0031, 0077, 0047, 0034, 0035, 0036, 0037, /* 0030 */
0100, 0132, 0177, 0173, 0133, 0154, 0120, 0175, /* 0040 */
0115, 0135, 0134, 0116, 0153, 0140, 0113, 0141, /* 0050 */
0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367, /* 0060 */
0370, 0371, 0172, 0136, 0114, 0176, 0156, 0157, /* 0070 */
0174, 0301, 0302, 0303, 0304, 0305, 0306, 0307, /* 0100 */
0310, 0311, 0321, 0322, 0323, 0324, 0325, 0326, /* 0110 */
0327, 0330, 0331, 0342, 0343, 0344, 0345, 0346, /* 0120 */
0347, 0350, 0351, 0255, 0340, 0275, 0137, 0155, /* 0130 */
0171, 0201, 0202, 0203, 0204, 0205, 0206, 0207, /* 0140 */
0210, 0211, 0221, 0222, 0223, 0224, 0225, 0226, /* 0150 */
0227, 0230, 0231, 0242, 0243, 0244, 0245, 0246, /* 0160 */
0247, 0250, 0251, 0300, 0117, 0320, 0241, 0007, /* 0170 */
0040, 0041, 0042, 0043, 0044, 0025, 0006, 0027, /* 0200 */
0050, 0051, 0052, 0053, 0054, 0011, 0012, 0033, /* 0210 */
0060, 0061, 0032, 0063, 0064, 0065, 0066, 0010, /* 0220 */
0070, 0071, 0072, 0073, 0004, 0024, 0076, 0341, /* 0230 */
0101, 0102, 0103, 0104, 0105, 0106, 0107, 0110, /* 0240 */
0111, 0121, 0122, 0123, 0124, 0125, 0126, 0127, /* 0250 */
0130, 0131, 0142, 0143, 0144, 0145, 0146, 0147, /* 0260 */
0150, 0151, 0160, 0161, 0162, 0163, 0164, 0165, /* 0270 */
0166, 0167, 0170, 0200, 0212, 0213, 0214, 0215, /* 0300 */
0216, 0217, 0220, 0232, 0233, 0234, 0235, 0236, /* 0310 */
0237, 0240, 0252, 0253, 0254, 0255, 0256, 0257, /* 0320 */
0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267, /* 0330 */
0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277, /* 0340 */
0312, 0313, 0314, 0315, 0316, 0317, 0332, 0333, /* 0350 */
0334, 0335, 0336, 0337, 0352, 0353, 0354, 0355, /* 0360 */
0356, 0357, 0372, 0373, 0374, 0375, 0376, 0377, /* 0370 */
};