Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/bash/src/lib/sh/zcatfd.c |
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1 | /* zcatfd - copy contents of file descriptor to another */ | - | ||||||
2 | - | |||||||
3 | /* Copyright (C) 2002 Free Software Foundation, Inc. | - | ||||||
4 | - | |||||||
5 | This file is part of GNU Bash, the Bourne Again SHell. | - | ||||||
6 | - | |||||||
7 | Bash is free software: you can redistribute it and/or modify | - | ||||||
8 | it under the terms of the GNU General Public License as published by | - | ||||||
9 | the Free Software Foundation, either version 3 of the License, or | - | ||||||
10 | (at your option) any later version. | - | ||||||
11 | - | |||||||
12 | Bash is distributed in the hope that it will be useful, | - | ||||||
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | - | ||||||
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | - | ||||||
15 | GNU General Public License for more details. | - | ||||||
16 | - | |||||||
17 | You should have received a copy of the GNU General Public License | - | ||||||
18 | along with Bash. If not, see <http://www.gnu.org/licenses/>. | - | ||||||
19 | */ | - | ||||||
20 | - | |||||||
21 | #include <config.h> | - | ||||||
22 | - | |||||||
23 | #include <sys/types.h> | - | ||||||
24 | - | |||||||
25 | #if defined (HAVE_UNISTD_H) | - | ||||||
26 | # include <unistd.h> | - | ||||||
27 | #endif | - | ||||||
28 | - | |||||||
29 | #include <errno.h> | - | ||||||
30 | - | |||||||
31 | #include <stdc.h> | - | ||||||
32 | - | |||||||
33 | #if !defined (errno) | - | ||||||
34 | extern int errno; | - | ||||||
35 | #endif | - | ||||||
36 | - | |||||||
37 | extern ssize_t zread __P((int, char *, size_t)); | - | ||||||
38 | extern int zwrite __P((int, char *, ssize_t)); | - | ||||||
39 | - | |||||||
40 | /* Dump contents of file descriptor FD to OFD. FN is the filename for | - | ||||||
41 | error messages (not used right now). */ | - | ||||||
42 | int | - | ||||||
43 | zcatfd (fd, ofd, fn) | - | ||||||
44 | int fd, ofd; | - | ||||||
45 | char *fn; | - | ||||||
46 | { | - | ||||||
47 | ssize_t nr; | - | ||||||
48 | int rval; | - | ||||||
49 | char lbuf[128]; | - | ||||||
50 | - | |||||||
51 | rval = 0; | - | ||||||
52 | while (1) | - | ||||||
53 | { | - | ||||||
54 | nr = zread (fd, lbuf, sizeof (lbuf)); | - | ||||||
55 | if (nr == 0)
| 3 | ||||||
56 | break; executed 3 times by 1 test: break; Executed by:
| 3 | ||||||
57 | else if (nr < 0)
| 0-3 | ||||||
58 | { | - | ||||||
59 | rval = -1; | - | ||||||
60 | break; never executed: break; | 0 | ||||||
61 | } | - | ||||||
62 | else if (zwrite (ofd, lbuf, nr) < 0)
| 0-3 | ||||||
63 | { | - | ||||||
64 | rval = -1; | - | ||||||
65 | break; never executed: break; | 0 | ||||||
66 | } | - | ||||||
67 | } executed 3 times by 1 test: end of block Executed by:
| 3 | ||||||
68 | - | |||||||
69 | return rval; executed 3 times by 1 test: return rval; Executed by:
| 3 | ||||||
70 | } | - | ||||||
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