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
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
/*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* binfile.h - Binary file I/O
* Copyright (C) 2002, 2003 Simon Peter <dn.tlp@gmx.net>
*/
#include <stdio.h>
#include <errno.h>
#include "binfile.h"
extern DB_functions_t *deadbeef;
/***** binfbase *****/
binfbase::binfbase()
: f(NULL)
{
}
binfbase::~binfbase()
{
if(f != NULL) close();
}
void binfbase::close()
{
if(f != NULL) {
deadbeef->fclose(f);
f = NULL;
} else
err |= NotOpen;
}
void binfbase::seek(long pos, Offset offs)
{
int error = 0;
if(f == NULL) { err |= NotOpen; return; }
switch(offs) {
case Set: error = deadbeef->fseek(f, pos, SEEK_SET); break;
case Add: error = deadbeef->fseek(f, pos, SEEK_CUR); break;
case End: error = deadbeef->fseek(f, pos, SEEK_END); break;
}
if(error == -1) err |= Fatal;
}
long binfbase::pos()
{
long pos;
if(f == NULL) { err |= NotOpen; return 0; }
pos = deadbeef->ftell(f);
if(pos == -1) {
err |= Fatal;
return 0;
} else
return pos;
}
/***** binifstream *****/
binifstream::binifstream()
{
}
binifstream::binifstream(const char *filename, const Mode mode)
{
open(filename, mode);
}
#if BINIO_ENABLE_STRING
binifstream::binifstream(const std::string &filename, const Mode mode)
{
open(filename, mode);
}
#endif
binifstream::~binifstream()
{
}
void binifstream::open(const char *filename, const Mode mode)
{
f = deadbeef->fopen(filename);
if(f == NULL)
switch(errno) {
case ENOENT: err |= NotFound; break;
case EACCES: err |= Denied; break;
default: err |= NotOpen; break;
}
}
#if BINIO_ENABLE_STRING
void binifstream::open(const std::string &filename, const Mode mode)
{
open(filename.c_str(), mode);
}
#endif
binifstream::Byte binifstream::getByte()
{
int read;
if(f != NULL) {
if (1 != deadbeef->fread (&read, 1, 1, f)) {
err |= Eof;
}
return (Byte)read;
} else {
err |= NotOpen;
return 0;
}
}
/***** binofstream *****/
binofstream::binofstream()
{
}
binofstream::binofstream(const char *filename, const Mode mode)
{
open(filename, mode);
}
#if BINIO_ENABLE_STRING
binofstream::binofstream(const std::string &filename, const Mode mode)
{
open(filename, mode);
}
#endif
binofstream::~binofstream()
{
}
void binofstream::open(const char *filename, const Mode mode)
{
#if 0
const char *modestr = "wb";
// Check if append mode is desired
if(mode & Append) modestr = "ab";
f = fopen(filename, modestr);
if(f == NULL)
switch(errno) {
case EEXIST:
case EACCES:
case EROFS:
err |= Denied;
break;
case ENOENT: err |= NotFound; break;
default: err |= NotOpen; break;
}
#endif
}
#if BINIO_ENABLE_STRING
void binofstream::open(const std::string &filename, const Mode mode)
{
open(filename.c_str(), mode);
}
#endif
void binofstream::putByte(Byte b)
{
#if 0
if(f == NULL) { err |= NotOpen; return; }
if(fputc(b, f) == EOF)
err |= Fatal;
#endif
}
/***** binfstream *****/
binfstream::binfstream()
{
}
binfstream::binfstream(const char *filename, const Mode mode)
{
open(filename, mode);
}
#if BINIO_ENABLE_STRING
binfstream::binfstream(const std::string &filename, const Mode mode)
{
open(filename, mode);
}
#endif
binfstream::~binfstream()
{
}
void binfstream::open(const char *filename, const Mode mode)
{
const char *modestr = "w+b"; // Create & at beginning
int ferror = 0;
// Apply desired mode
if(mode & NoCreate) {
if(!(mode & Append))
modestr = "r+b"; // NoCreate & at beginning
} else
if(mode & Append) // Create & append
modestr = "a+b";
f = deadbeef->fopen(filename);
// NoCreate & append (emulated -- not possible with standard C fopen())
if(f != NULL && (mode & Append) && (mode & NoCreate))
ferror = deadbeef->fseek(f, 0, SEEK_END);
if(f == NULL || ferror == -1) {
switch(errno) {
case EEXIST:
case EACCES:
case EROFS:
err |= Denied;
break;
case ENOENT: err |= NotFound; break;
default: err |= NotOpen; break;
}
}
}
#if BINIO_ENABLE_STRING
void binfstream::open(const std::string &filename, const Mode mode)
{
open(filename.c_str(), mode);
}
#endif
|
