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1d8dc4293f
* sysdeps/posix/getcwd.c [__GNU_LIBRARY__]: Include unistd.h. * io/fts.h (FTSENT): Define fts_compar member with prototype. * hurd/hurd.h: Use prototype in getcttyid decl. * stdlib/l64a.c: Fix typo in last change. * stdlib/drand48-iter.c: Test limits.h macros instead of sizeof for determining size of types. * stdlib/srand48_r.c: Likewise. * misc/utmp.h: Declare login, logout, logwtmp. * misc/logout.c: Declare argument as pointer to const. * misc/login.c: Likewise. * misc/logwtmp.c: Likewise. Include time.h, string.h. * misc/efgcvt_r.c: Include stdlib.h. * io/mknod.c: Include sys/types.h. * gmon/sys/gmon.h: Declare monstartup, _mcleanup. * csu/gmon-start.c (_start, etext): Declare with prototypes. * stdio-common/vfscanf.c (%[): Fix range handling.
68 lines
2.6 KiB
C
68 lines
2.6 KiB
C
/*
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)logwtmp.c 8.1 (Berkeley) 6/4/93";
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#endif /* LIBC_SCCS and not lint */
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#include <sys/types.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <time.h>
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#include <string.h>
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#include <unistd.h>
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#include <utmp.h>
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void
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logwtmp(line, name, host)
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const char *line, *name, *host;
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{
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struct utmp ut;
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struct stat buf;
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int fd;
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if ((fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) < 0)
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return;
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if (fstat(fd, &buf) == 0) {
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(void) strncpy(ut.ut_line, line, sizeof(ut.ut_line));
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(void) strncpy(ut.ut_name, name, sizeof(ut.ut_name));
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(void) strncpy(ut.ut_host, host, sizeof(ut.ut_host));
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(void) time(&ut.ut_time);
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if (write(fd, (char *)&ut, sizeof(struct utmp)) !=
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sizeof(struct utmp))
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(void) ftruncate(fd, buf.st_size);
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}
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(void) close(fd);
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}
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