File: ebcdic.c

package info (click to toggle)
recode 3.4.1-11
  • links: PTS
  • area: main
  • in suites: slink
  • size: 1,560 kB
  • ctags: 622
  • sloc: ansic: 10,572; perl: 339; makefile: 317; lisp: 243; sh: 173; lex: 165; awk: 127; sed: 10
file content (189 lines) | stat: -rw-r--r-- 8,717 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
/* Conversion of files between different charsets and usages.
   Copyright (C) 1990, 1993 Free Software Foundation, Inc.
   Francois Pinard <pinard@iro.umontreal.ca>, 1988.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#define ASCII "ASCII"
/* Previously: #define ASCII "ASCII-BS" */

#include "recode.h"

static unsigned char const ascii_to_ebcdic[256] =
  {
      0,   1,   2,   3,  55,  45,  46,  47,     /*   0 -   7 */
     22,   5,  37,  11,  12,  13,  14,  15,     /*   8 -  15 */
     16,  17,  18,  19,  60,  61,  50,  38,     /*  16 -  23 */
     24,  25,  63,  39,  28,  29,  30,  31,     /*  24 -  31 */
     64,  79, 127, 123,  91, 108,  80, 125,     /*  32 -  39 */
     77,  93,  92,  78, 107,  96,  75,  97,     /*  40 -  47 */
    240, 241, 242, 243, 244, 245, 246, 247,     /*  48 -  55 */
    248, 249, 122,  94,  76, 126, 110, 111,     /*  56 -  63 */
    124, 193, 194, 195, 196, 197, 198, 199,     /*  64 -  71 */
    200, 201, 209, 210, 211, 212, 213, 214,     /*  72 -  79 */
    215, 216, 217, 226, 227, 228, 229, 230,     /*  80 -  87 */
    231, 232, 233,  74, 224,  90,  95, 109,     /*  88 -  95 */
    121, 129, 130, 131, 132, 133, 134, 135,     /*  96 - 103 */
    136, 137, 145, 146, 147, 148, 149, 150,     /* 104 - 111 */
    151, 152, 153, 162, 163, 164, 165, 166,     /* 112 - 119 */
    167, 168, 169, 192, 106, 208, 161,   7,     /* 120 - 127 */
     32,  33,  34,  35,  36,  21,   6,  23,     /* 128 - 135 */
     40,  41,  42,  43,  44,   9,  10,  27,     /* 136 - 143 */
     48,  49,  26,  51,  52,  53,  54,   8,     /* 144 - 151 */
     56,  57,  58,  59,   4,  20,  62, 225,     /* 152 - 159 */
     65,  66,  67,  68,  69,  70,  71,  72,     /* 160 - 167 */
     73,  81,  82,  83,  84,  85,  86,  87,     /* 168 - 175 */
     88,  89,  98,  99, 100, 101, 102, 103,     /* 176 - 183 */
    104, 105, 112, 113, 114, 115, 116, 117,     /* 184 - 191 */
    118, 119, 120, 128, 138, 139, 140, 141,     /* 192 - 199 */
    142, 143, 144, 154, 155, 156, 157, 158,     /* 200 - 207 */
    159, 160, 170, 171, 172, 173, 174, 175,     /* 208 - 215 */
    176, 177, 178, 179, 180, 181, 182, 183,     /* 216 - 223 */
    184, 185, 186, 187, 188, 189, 190, 191,     /* 224 - 231 */
    202, 203, 204, 205, 206, 207, 218, 219,     /* 232 - 239 */
    220, 221, 222, 223, 234, 235, 236, 237,     /* 240 - 247 */
    238, 239, 250, 251, 252, 253, 254, 255,     /* 248 - 255 */
  };

static unsigned char const ascii_to_ebcdic_ccc[256] =
  {
      0,   1,   2,   3,  55,  45,  46,  47,     /*   0 -   7 */
     22,   5,  37,  11,  12,  13,  14,  15,     /*   8 -  15 */
     16,  17,  18,  19,  60,  61,  50,  38,     /*  16 -  23 */
     24,  25,  63,  39,  28,  29,  30,  31,     /*  24 -  31 */
     64,  90, 127, 123,  91, 108,  80, 125,     /*  32 -  39 */
     77,  93,  92,  78, 107,  96,  75,  97,     /*  40 -  47 */
    240, 241, 242, 243, 244, 245, 246, 247,     /*  48 -  55 */
    248, 249, 122,  94,  76, 126, 110, 111,     /*  56 -  63 */
    124, 193, 194, 195, 196, 197, 198, 199,     /*  64 -  71 */
    200, 201, 209, 210, 211, 212, 213, 214,     /*  72 -  79 */
    215, 216, 217, 226, 227, 228, 229, 230,     /*  80 -  87 */
    231, 232, 233,  74, 224,  79,  95, 109,     /*  88 -  95 */
    121, 129, 130, 131, 132, 133, 134, 135,     /*  96 - 103 */
    136, 137, 145, 146, 147, 148, 149, 150,     /* 104 - 111 */
    151, 152, 153, 162, 163, 164, 165, 166,     /* 112 - 119 */
    167, 168, 169, 192, 106, 208, 161,   7,     /* 120 - 127 */
      4,   6,   8,   9,  10,  20,  21,  23,     /* 128 - 135 */
     26,  27, 138, 139, 140, 141, 142, 143,     /* 136 - 143 */
     32,  33,  34,  35,  36,  40,  41,  42,     /* 144 - 151 */
     43,  44, 154, 155, 156, 157, 158, 159,     /* 152 - 159 */
     48,  49,  51,  52,  53,  54,  56,  57,     /* 160 - 167 */
     58,  59, 170, 171, 172, 173, 174, 175,     /* 168 - 175 */
    176, 177, 178, 179, 180, 181, 182, 183,     /* 176 - 183 */
    184, 185, 186, 187, 188, 189, 190, 191,     /* 184 - 191 */
    128,  65,  66,  67,  68,  69,  70,  71,     /* 192 - 199 */
     72,  73, 202, 203, 204, 205, 206, 207,     /* 200 - 207 */
    144,  81,  82,  83,  84,  85,  86,  87,     /* 208 - 215 */
     88,  89, 218, 219, 220, 221, 222, 223,     /* 216 - 223 */
    160, 225,  98,  99, 100, 101, 102, 103,     /* 224 - 231 */
    104, 105, 234, 235, 236, 237, 238, 239,     /* 232 - 239 */
    112, 113, 114, 115, 116, 117, 118, 119,     /* 240 - 247 */
    120,  62, 250, 251, 252, 253, 254, 255,     /* 248 - 255 */
  };

/* This is almost identical to GNU dd's "ibm" table.  In dd's "ibm"
   table, both 91 and 213 recode to 173, both 93 and 229 recode to 189,
   and no character recodes to 74 or 106.  I suspect two errors in there.
   So, I arbitrarily choose to recode 213 by 74 and 229 by 106.  */

static unsigned char const ascii_to_ebcdic_ibm[256] =
  {
      0,   1,   2,   3,  55,  45,  46,  47,     /*   0 -   7 */
     22,   5,  37,  11,  12,  13,  14,  15,     /*   8 -  15 */
     16,  17,  18,  19,  60,  61,  50,  38,     /*  16 -  23 */
     24,  25,  63,  39,  28,  29,  30,  31,     /*  24 -  31 */
     64,  90, 127, 123,  91, 108,  80, 125,     /*  32 -  39 */
     77,  93,  92,  78, 107,  96,  75,  97,     /*  40 -  47 */
    240, 241, 242, 243, 244, 245, 246, 247,     /*  48 -  55 */
    248, 249, 122,  94,  76, 126, 110, 111,     /*  56 -  63 */
    124, 193, 194, 195, 196, 197, 198, 199,     /*  64 -  71 */
    200, 201, 209, 210, 211, 212, 213, 214,     /*  72 -  79 */
    215, 216, 217, 226, 227, 228, 229, 230,     /*  80 -  87 */
    231, 232, 233, 173, 224, 189,  95, 109,     /*  88 -  95 */
    121, 129, 130, 131, 132, 133, 134, 135,     /*  96 - 103 */
    136, 137, 145, 146, 147, 148, 149, 150,     /* 104 - 111 */
    151, 152, 153, 162, 163, 164, 165, 166,     /* 112 - 119 */
    167, 168, 169, 192,  79, 208, 161,   7,     /* 120 - 127 */
     32,  33,  34,  35,  36,  21,   6,  23,     /* 128 - 135 */
     40,  41,  42,  43,  44,   9,  10,  27,     /* 136 - 143 */
     48,  49,  26,  51,  52,  53,  54,   8,     /* 144 - 151 */
     56,  57,  58,  59,   4,  20,  62, 225,     /* 152 - 159 */
     65,  66,  67,  68,  69,  70,  71,  72,     /* 160 - 167 */
     73,  81,  82,  83,  84,  85,  86,  87,     /* 168 - 175 */
     88,  89,  98,  99, 100, 101, 102, 103,     /* 176 - 183 */
    104, 105, 112, 113, 114, 115, 116, 117,     /* 184 - 191 */
    118, 119, 120, 128, 138, 139, 140, 141,     /* 192 - 199 */
    142, 143, 144, 154, 155, 156, 157, 158,     /* 200 - 207 */
    159, 160, 170, 171, 172,  74, 174, 175,     /* 208 - 215 */
    176, 177, 178, 179, 180, 181, 182, 183,     /* 216 - 223 */
    184, 185, 186, 187, 188, 106, 190, 191,     /* 224 - 231 */
    202, 203, 204, 205, 206, 207, 218, 219,     /* 232 - 239 */
    220, 221, 222, 223, 234, 235, 236, 237,     /* 240 - 247 */
    238, 239, 250, 251, 252, 253, 254, 255,     /* 248 - 255 */
  };

static void
init_ascii_ebcdic (STEP *step)
{
  step->one_to_one = ascii_to_ebcdic;
}

static void
init_ebcdic_ascii (STEP *step)
{
  step->one_to_one = invert_table (ascii_to_ebcdic);
}

static void
init_ascii_ebcdic_ccc (STEP *step)
{
  step->one_to_one = ascii_to_ebcdic_ccc;
}

static void
init_ebcdic_ccc_ascii (STEP *step)
{
  step->one_to_one = invert_table (ascii_to_ebcdic_ccc);
}

static void
init_ascii_ebcdic_ibm (STEP *step)
{
  step->one_to_one = ascii_to_ebcdic_ibm;
}

static void
init_ebcdic_ibm_ascii (STEP *step)
{
  step->one_to_one = invert_table (ascii_to_ebcdic_ibm);
}

void
module_ebcdic (void)
{
  declare_step (ASCII, "EBCDIC", REVERSIBLE, init_ascii_ebcdic,
		file_one_to_one);
  declare_step ("EBCDIC", ASCII, REVERSIBLE, init_ebcdic_ascii,
		file_one_to_one);
  declare_step (ASCII, "EBCDIC-CCC", REVERSIBLE, init_ascii_ebcdic_ccc,
		file_one_to_one);
  declare_step ("EBCDIC-CCC", ASCII, REVERSIBLE, init_ebcdic_ccc_ascii,
		file_one_to_one);
  declare_step (ASCII, "EBCDIC-IBM", REVERSIBLE, init_ascii_ebcdic_ibm,
		file_one_to_one);
  declare_step ("EBCDIC-IBM", ASCII, REVERSIBLE, init_ebcdic_ibm_ascii,
		file_one_to_one);
}