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* alphanbsd-tdep.c (alphanbsd_skip_sigtramp_frame): Delete.
[deliverable/binutils-gdb.git] / libiberty / hex.c
CommitLineData
252b5132 1/* Hex character manipulation support.
d311a83a 2 Copyright (C) 1995, 2001 Free Software Foundation, Inc.
252b5132
RH		 3
4This file is part of the libiberty library.
5Libiberty is free software; you can redistribute it and/or
6modify it under the terms of the GNU Library General Public
7License as published by the Free Software Foundation; either
8version 2 of the License, or (at your option) any later version.
9
10Libiberty is distributed in the hope that it will be useful,
11but WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13Library General Public License for more details.
14
15You should have received a copy of the GNU Library General Public
16License along with libiberty; see the file COPYING.LIB. If
17not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18Boston, MA 02111-1307, USA. */
19
d311a83a 20#include <stdio.h> /* for EOF */
252b5132
RH		 21#include "libiberty.h"
22
7dd4d42a
DD		 23/*
24
25@deftypefn Extension void hex_init (void)
26
27Initializes the array mapping the current character set to
28corresponding hex values. This function must be called before any
29call to @code{hex_p} or @code{hex_value}. If you fail to call it, a
30default ASCII-based table will normally be used on ASCII systems.
31
32@end deftypefn
33
34@deftypefn Extension int hex_p (int @var{c})
35
36Evaluates to non-zero if the given character is a valid hex character,
37or zero if it is not. Note that the value you pass will be cast to
38@code{unsigned char} within the macro.
39
40@end deftypefn
41
e4f79046 42@deftypefn Extension unsigned int hex_value (int @var{c})
7dd4d42a
DD		 43
44Returns the numeric equivalent of the given character when interpreted
45as a hexidecimal digit. The result is undefined if you pass an
46invalid hex digit. Note that the value you pass will be cast to
47@code{unsigned char} within the macro.
48
e4f79046
JB		 49The @code{hex_value} macro returns @code{unsigned int}, rather than
50signed @code{int}, to make it easier to use in parsing addresses from
51hex dump files: a signed @code{int} would be sign-extended when
52converted to a wider unsigned type --- like @code{bfd_vma}, on some
53systems.
54
7dd4d42a
DD		 55@end deftypefn
56
57@undocumented _hex_array_size
58@undocumented _hex_bad
59@undocumented _hex_value
60
61*/
62
d311a83a
DD		 63
64/* Are we ASCII? */
65#if '\n' == 0x0A && ' ' == 0x20 && '0' == 0x30 \
66 && 'A' == 0x41 && 'a' == 0x61 && '!' == 0x21 \
67 && EOF == -1
68
e4f79046 69const unsigned char _hex_value[_hex_array_size] =
d311a83a
DD		 70{
71 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* NUL SOH STX ETX */
72 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* EOT ENQ ACK BEL */
73 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* BS HT LF VT */
74 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* FF CR SO SI */
75 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* DLE DC1 DC2 DC3 */
76 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* DC4 NAK SYN ETB */
77 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* CAN EM SUB ESC */
78 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* FS GS RS US */
79
80 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* SP ! " # */
81 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* $ % & ' */
82 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* ( ) * + */
83 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* , - . / */
84 0, 1, 2, 3, /* 0 1 2 3 */
85 4, 5, 6, 7, /* 4 5 6 7 */
86 8, 9, _hex_bad, _hex_bad, /* 8 9 : ; */
87 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* < = > ? */
88
89 _hex_bad, 10, 11, 12, /* @ A B C */
90 13, 14, 15, _hex_bad, /* D E F G */
91 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* H I J K */
92 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* L M N O */
93 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* P Q R S */
94 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* T U V W */
95 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* X Y Z [ */
96 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* \ ] ^ _ */
97
98 _hex_bad, 10, 11, 12, /* ` a b c */
99 13, 14, 15, _hex_bad, /* d e f g */
100 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* h i j k */
101 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* l m n o */
102 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* p q r s */
103 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* t u v w */
104 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* x y z { */
105 _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* | } ~ DEL */
106
107 /* The high half of unsigned char, all values are _hex_bad. */
108 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
109 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
110 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
111 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
112 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
113 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
114 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
115 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
116
117 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
118 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
119 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
120 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
121 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
122 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
123 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
124 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
125
126 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
127 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
128 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
129 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
130 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
131 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
132 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
133 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
134
135 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
136 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
137 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
138 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
139 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
140 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
141 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
142 _hex_bad, _hex_bad, _hex_bad, _hex_bad,
143};
7dd4d42a
DD		 144#define HEX_TABLE_INITIALIZED
145
d311a83a 146#else
7dd4d42a 147
e4f79046 148unsigned char _hex_value[_hex_array_size];
7dd4d42a 149
d311a83a 150#endif /* not ASCII */
7dd4d42a
DD		 151
152void
153hex_init ()
154{
155#ifndef HEX_TABLE_INITIALIZED
156 int i;
157
158 for (i=0; i<_hex_array_size; i++)
159 {
160 switch (i)
161 {
162 case '0': _hex_value[i] = 0; break;
163 case '1': _hex_value[i] = 1; break;
164 case '2': _hex_value[i] = 2; break;
165 case '3': _hex_value[i] = 3; break;
166 case '4': _hex_value[i] = 4; break;
167 case '5': _hex_value[i] = 5; break;
168 case '6': _hex_value[i] = 6; break;
169 case '7': _hex_value[i] = 7; break;
170 case '8': _hex_value[i] = 8; break;
171 case '9': _hex_value[i] = 9; break;
172
173 case 'a': case 'A': _hex_value[i] = 10; break;
174 case 'b': case 'B': _hex_value[i] = 11; break;
175 case 'c': case 'C': _hex_value[i] = 12; break;
176 case 'd': case 'D': _hex_value[i] = 13; break;
177 case 'e': case 'E': _hex_value[i] = 14; break;
178 case 'f': case 'F': _hex_value[i] = 15; break;
179
180 default:
181 _hex_value[i] = _hex_bad;
182 break;
183 }
184 }
185#endif
186}
GDB Binutils - Deliverables
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