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1 | /* |
2 | * Copyright (c) 1988 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
6 | * provided that the above copyright notice and this paragraph are | |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
16 | */ | |
17 | ||
18 | #if defined(LIBC_SCCS) && !defined(lint) | |
fdb7c742 | 19 | static char sccsid[] = "@(#)logwtmp.c 5.2 (Berkeley) %G%"; |
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20 | #endif /* LIBC_SCCS and not lint */ |
21 | ||
22 | #include <sys/types.h> | |
23 | #include <sys/file.h> | |
24 | #include <sys/time.h> | |
fdb7c742 | 25 | #include <sys/stat.h> |
b27de394 KB |
26 | #include <utmp.h> |
27 | ||
28 | #define WTMPFILE "/usr/adm/wtmp" | |
29 | ||
fdb7c742 KB |
30 | logwtmp(line, name, host) |
31 | char *line, *name, *host; | |
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32 | { |
33 | struct utmp ut; | |
fdb7c742 | 34 | struct stat buf; |
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35 | int fd; |
36 | time_t time(); | |
37 | char *strncpy(); | |
38 | ||
39 | if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) < 0) | |
40 | return; | |
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41 | if (!fstat(fd, &buf)) { |
42 | (void)strncpy(ut.ut_line, line, sizeof(ut.ut_line)); | |
43 | (void)strncpy(ut.ut_name, name, sizeof(ut.ut_name)); | |
44 | (void)strncpy(ut.ut_host, host, sizeof(ut.ut_host)); | |
45 | (void)time(&ut.ut_time); | |
46 | if (write(fd, (char *)&ut, sizeof(struct utmp)) != | |
47 | sizeof(struct utmp)) | |
48 | (void) ftruncate(fd, buf.st_size); | |
49 | } | |
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50 | (void)close(fd); |
51 | } |