blob: a01a327ddbd7c73b23ff0b22df185b57736ad7f7 (
plain)
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
|
/*
filesystem/file.c
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include "filesystem/diskfile.h"
namespace filesystem {
DiskFile::DiskFile()
{
diskfile_handle = 0;
}
DiskFile::~DiskFile()
{
if (diskfile_handle)
fclose(diskfile_handle);
}
bool DiskFile::open(const char *filename)
{
if (diskfile_handle) {
con_warn << file_name << " already open!" << std::endl;
return false;
}
file_name.assign(filename);
std::string fn;
// if moddir is set, try the mods subdir first
if (moddir.size()) {
// try homedir + moddir
file_path = homedir;
file_path.append(moddir);
fn = file_path;
fn.append(filename);
diskfile_handle = fopen(fn.c_str(), "rb");
if (diskfile_handle)
return true;
// try datadir + moddir
file_path = datadir;
file_path.append(moddir);
fn = file_path;
fn.append(filename);
diskfile_handle = fopen(fn.c_str(), "rb");
if (diskfile_handle)
return true;
}
// try homedir + basedir
file_path = homedir;
file_path.append(basedir);
fn = file_path;
fn.append(filename);
diskfile_handle = fopen(fn.c_str(), "rb");
if (diskfile_handle)
return true;
// try datadir + basedir
file_path = datadir;
file_path.append(basedir);
fn = file_path;
fn.append(filename);
diskfile_handle = fopen(fn.c_str(), "rb");
if (diskfile_handle)
return true;
//con_error << "Could not open " << filename << std::endl;
return false;
}
void DiskFile::close()
{
if (diskfile_handle)
fclose(diskfile_handle);
diskfile_handle = 0;
}
size_t DiskFile::read(void *buffer, const size_t count)
{
if (!diskfile_handle)
return 0;
return (fread(buffer, count, 1, diskfile_handle));
}
void DiskFile::skip(size_t count)
{
fseek(diskfile_handle, (long) count, SEEK_CUR);
}
} // namespace filesystem
|
