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
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#define FORBIDDEN_SYMBOL_ALLOW_ALL
#include "backends/fs/posix/posix-iostream.h"
#include <sys/stat.h>
PosixIoStream::PosixIoStream(void *handle) :
StdioStream(handle) {
}
int64 PosixIoStream::size() const {
int fd = fileno((FILE *)_handle);
if (fd == -1) {
return StdioStream::size();
}
// Using fstat to obtain the file size is generally faster than fseek / ftell
// because it does not affect the IO buffer.
struct stat st;
if (fstat(fd, &st) == -1) {
return StdioStream::size();
}
return st.st_size;
}
|
