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b27de394 | 1 | /* |
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2 | * Copyright (c) 1988, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
b27de394 | 4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
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32 | */ |
33 | ||
34 | #if defined(LIBC_SCCS) && !defined(lint) | |
ad787160 | 35 | static char sccsid[] = "@(#)logwtmp.c 8.1 (Berkeley) 6/4/93"; |
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36 | #endif /* LIBC_SCCS and not lint */ |
37 | ||
38 | #include <sys/types.h> | |
39 | #include <sys/file.h> | |
40 | #include <sys/time.h> | |
fdb7c742 | 41 | #include <sys/stat.h> |
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42 | |
43 | #include <unistd.h> | |
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44 | #include <utmp.h> |
45 | ||
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46 | logwtmp(line, name, host) |
47 | char *line, *name, *host; | |
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48 | { |
49 | struct utmp ut; | |
fdb7c742 | 50 | struct stat buf; |
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51 | int fd; |
52 | time_t time(); | |
53 | char *strncpy(); | |
54 | ||
4a07d1a5 | 55 | if ((fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) < 0) |
b27de394 | 56 | return; |
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57 | if (fstat(fd, &buf) == 0) { |
58 | (void) strncpy(ut.ut_line, line, sizeof(ut.ut_line)); | |
59 | (void) strncpy(ut.ut_name, name, sizeof(ut.ut_name)); | |
60 | (void) strncpy(ut.ut_host, host, sizeof(ut.ut_host)); | |
61 | (void) time(&ut.ut_time); | |
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62 | if (write(fd, (char *)&ut, sizeof(struct utmp)) != |
63 | sizeof(struct utmp)) | |
64 | (void) ftruncate(fd, buf.st_size); | |
65 | } | |
a53c2dd2 | 66 | (void) close(fd); |
b27de394 | 67 | } |