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
|
#include "file.h"
#include "exceptions.h"
#include <errno.h>
Bu::File::File( const char *sName, const char *sFlags )
{
fh = fopen( sName, sFlags );
if( fh == NULL )
{
throw Bu::FileException( errno, strerror(errno) );
}
}
Bu::File::~File()
{
close();
}
void Bu::File::close()
{
if( fh )
{
fclose( fh );
fh = NULL;
}
}
size_t Bu::File::read( void *pBuf, size_t nBytes )
{
if( !fh )
throw FileException("File not open.");
int nAmnt = fread( pBuf, 1, nBytes, fh );
if( nAmnt == 0 )
throw FileException("End of file.");
return nAmnt;
}
size_t Bu::File::write( const void *pBuf, size_t nBytes )
{
if( !fh )
throw FileException("File not open.");
return fwrite( pBuf, 1, nBytes, fh );
}
long Bu::File::tell()
{
if( !fh )
throw FileException("File not open.");
return ftell( fh );
}
void Bu::File::seek( long offset )
{
if( !fh )
throw FileException("File not open.");
fseek( fh, offset, SEEK_CUR );
}
void Bu::File::setPos( long pos )
{
if( !fh )
throw FileException("File not open.");
fseek( fh, pos, SEEK_SET );
}
void Bu::File::setPosEnd( long pos )
{
if( !fh )
throw FileException("File not open.");
fseek( fh, pos, SEEK_END );
}
bool Bu::File::isEOS()
{
return feof( fh );
}
bool Bu::File::canRead()
{
return true;
}
bool Bu::File::canWrite()
{
return true;
}
bool Bu::File::canSeek()
{
return true;
}
|
