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
|
//
// tardy - a tar post-processor
// Copyright (C) 1998, 1999, 2003 Peter Miller;
// All rights reserved.
//
// 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, USA.
//
// MANIFEST: functions to manipulate file output normals
//
#include <ac/fcntl.h>
#include <ac/unistd.h>
#include <file/output/normal.h>
file_output_normal::~file_output_normal()
{
if (fd >= 0 && ::close(fd))
nfatal("close");
}
file_output_normal::file_output_normal(const char *arg) :
fn(arg),
fd(-1)
{
fd = ::creat(arg, 0666);
if (fd < 0)
nfatal("open");
}
file_output_normal::file_output_normal(const file_output_normal &arg) :
fn(arg.fn),
fd(-1)
{
fd = dup(arg.fd);
if (fd < 0)
nfatal("dup");
}
file_output_normal &
file_output_normal::operator = (const file_output_normal &arg)
{
if (&arg != this)
{
if (fd >= 0)
::close(fd);
fn = arg.fn;
fd = dup(arg.fd);
if (fd < 0)
nfatal("dup");
}
return *this;
}
void
file_output_normal::write(const void *buffer, int nbytes)
{
int count = ::write(fd, buffer, nbytes);
if (count < 0)
nfatal("write");
if (count != nbytes)
fatal("short write (gave %d, got %d)", nbytes, count);
}
const char *
file_output_normal::filename()
const
{
return fn;
}
|
