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
|
/* Copyright (C) 2002 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash 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, or (at your option) any later
version.
Bash 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 Bash; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#include <config.h>
#include <sys/types.h>
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif
#include <errno.h>
#include <stdc.h>
#if !defined (errno)
extern int errno;
#endif
extern ssize_t zread __P((int, char *, size_t));
extern int zwrite __P((int, char *, ssize_t));
/* Dump contents of file descriptor FD to OFD. FN is the filename for
error messages (not used right now). */
int
zcatfd (fd, ofd, fn)
int fd, ofd;
char *fn;
{
ssize_t nr;
int rval;
char lbuf[128];
rval = 0;
while (1)
{
nr = zread (fd, lbuf, sizeof (lbuf));
if (nr == 0)
break;
else if (nr < 0)
{
rval = -1;
break;
}
else if (zwrite (ofd, lbuf, nr) < 0)
{
rval = -1;
break;
}
}
return rval;
}
|