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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/* dvipos-20070107
Copyright (C) 2003 by Jin-Hwan <chofchof@ktug.or.kr>
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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "utils.h"
#include <stdarg.h>
UNSIGNED_BYTE get_unsigned_byte (FILE *fp)
{
return (UNSIGNED_BYTE)(fgetc(fp) & 0xFF);
}
SIGNED_BYTE get_signed_byte (FILE *fp)
{
UNSIGNED_BYTE byte = get_unsigned_byte(fp);
return (SIGNED_BYTE)(byte & 0x80 ? byte - 0x100 : byte);
}
UNSIGNED_PAIR get_unsigned_pair (FILE *fp)
{
UNSIGNED_PAIR pair = get_unsigned_byte(fp);
/* Read the second byte */
pair = pair << 8; pair += get_unsigned_byte(fp);
return pair;
}
SIGNED_PAIR get_signed_pair (FILE *fp)
{
UNSIGNED_PAIR pair;
UNSIGNED_BYTE byte = get_unsigned_byte(fp);
pair = (byte & 0x80 ? byte - 0x100 : byte);
/* Read the second byte */
pair = pair << 8; pair += get_unsigned_byte(fp);
return (SIGNED_PAIR)pair;
}
UNSIGNED_TRIPLE get_unsigned_triple (FILE *fp)
{
UNSIGNED_TRIPLE triple = get_unsigned_byte(fp);
/* Read the second, the third byte */
triple = triple << 8; triple += get_unsigned_byte(fp);
triple = triple << 8; triple += get_unsigned_byte(fp);
return triple;
}
SIGNED_TRIPLE get_signed_triple (FILE *fp)
{
UNSIGNED_TRIPLE triple;
/* Read the first byte and check the sign */
UNSIGNED_BYTE byte = get_unsigned_byte(fp);
triple = (byte & 0x80 ? byte - 0x100 : byte);
/* Read the second, the third byte */
triple = triple << 8; triple += get_unsigned_byte(fp);
triple = triple << 8; triple += get_unsigned_byte(fp);
return (SIGNED_TRIPLE)triple;
}
UNSIGNED_QUAD get_unsigned_quad (FILE *fp)
{
UNSIGNED_QUAD quad = get_unsigned_byte(fp);
/* Read the second, the third, and the fourth byte */
quad = quad << 8; quad += get_unsigned_byte(fp);
quad = quad << 8; quad += get_unsigned_byte(fp);
quad = quad << 8; quad += get_unsigned_byte(fp);
return quad;
}
SIGNED_QUAD get_signed_quad (FILE *fp)
{
UNSIGNED_QUAD quad;
/* Read the first byte and check the sign */
UNSIGNED_BYTE byte = get_unsigned_byte(fp);
quad = (byte & 0x80 ? byte - 0x100 : byte);
/* Read the second, the third, and the fourth byte */
quad = quad << 8; quad += get_unsigned_byte(fp);
quad = quad << 8; quad += get_unsigned_byte(fp);
quad = quad << 8; quad += get_unsigned_byte(fp);
return (SIGNED_QUAD)quad;
}
void put_unsigned_byte (SIGNED_QUAD quad, FILE *fp)
{
fputc(quad & 0xff, fp);
dbg_location++;
}
void put_signed_byte (SIGNED_QUAD quad, FILE *fp)
{
if (quad < 0) fputc((quad + 0x100) & 0xff, fp);
else fputc(quad & 0xff, fp);
dbg_location++;
}
void put_unsigned_pair (SIGNED_QUAD quad, FILE *fp)
{
put_unsigned_byte(quad >> 8, fp);
put_unsigned_byte(quad, fp);
}
void put_signed_pair (SIGNED_QUAD quad, FILE *fp)
{
put_signed_byte(quad >> 8, fp);
put_unsigned_byte(quad, fp);
}
void put_unsigned_triple (SIGNED_QUAD quad, FILE *fp)
{
put_unsigned_byte(quad >> 16, fp);
put_unsigned_pair(quad & 0xffff, fp);
}
void put_signed_triple (SIGNED_QUAD quad, FILE *fp)
{
put_signed_byte(quad >> 16, fp);
put_unsigned_pair(quad & 0xffff, fp);
}
void put_signed_quad (SIGNED_QUAD quad, FILE *fp)
{
put_signed_byte(quad >> 24, fp);
put_unsigned_triple(quad & 0xffffff, fp);
}
void sput_signed_pair (char *buf, SIGNED_QUAD quad)
{
if (quad < 0) *buf++ = (quad >> 8) + 0x100;
else *buf++ = quad >> 8;
*buf = quad & 0xff;
}
void sput_signed_quad (char *buf, SIGNED_QUAD quad)
{
if (quad < 0) *buf++ = (quad >> 24) + 0x100;
else *buf++ = quad >> 24;
*buf++ = quad >> 16;
*buf++ = quad >> 8;
*buf = quad & 0xff;
}
#ifndef KPATHSEA
/* Borrowed from the kpathsea library, concat3.c */
char *concat (const char *s1, const char *s2)
{
unsigned s1len = strlen(s1);
unsigned s2len = strlen(s2);
char *answer = (char *)xmalloc(s1len + s2len + 1);
strcpy(answer, s1);
strcat(answer + s1len, s2);
return answer;
}
/* Borrowed from the kpathsea library, concat3.c */
char *concat3 (const char *s1, const char *s2, const char *s3)
{
char *answer = (char *)xmalloc(strlen(s1) + strlen(s2) + strlen(s3) + 1);
strcpy(answer, s1);
strcat(answer, s2);
strcat(answer, s3);
return answer;
}
/* Borrowed from the kpathsea library, make-suffix.c */
/* Return a new string: S suffixed with SUFFIX, regardless of what it
* was before. This returns a newly allocated string. */
char *make_suffix (const char *s, const char *suffix)
{
char *new_s;
const char *dot_pos = strrchr(s, '.');
const char *slash_pos;
for (slash_pos = s + strlen(s) - 1; slash_pos > dot_pos && slash_pos > s; slash_pos--)
if (IS_DIR_SEP(*slash_pos)) break;
if (dot_pos == NULL || slash_pos > dot_pos)
new_s = concat3(s, ".", suffix);
else {
unsigned past_dot_index = dot_pos + 1 - s;
new_s = (char *)xmalloc (past_dot_index + strlen (suffix) + 1);
strncpy(new_s, s, dot_pos + 1 - s);
strcpy(new_s + past_dot_index, suffix);
}
return new_s;
}
#endif
void msg_out (int level, char *fmt, ...)
{
va_list args;
if (verbose & level) {
va_start(args, fmt);
vfprintf(stdout, fmt, args);
va_end(args);
}
if (level == M_FAIL)
exit(1);
}
|
