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author | Kiyoshi Aman <kiyoshi.aman+adelie@gmail.com> | 2019-02-01 22:55:37 +0000 |
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committer | Kiyoshi Aman <kiyoshi.aman+adelie@gmail.com> | 2019-02-03 18:22:05 -0600 |
commit | 5b57d28ffb6e1ef86b50f7d05d977826eae89bfe (patch) | |
tree | 154a22fe556b49e6927197336f8bf91b12eacd5e /usr.bin/who/utmpentry.h | |
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initial population
Diffstat (limited to 'usr.bin/who/utmpentry.h')
-rw-r--r-- | usr.bin/who/utmpentry.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/usr.bin/who/utmpentry.h b/usr.bin/who/utmpentry.h new file mode 100644 index 0000000..263a33a --- /dev/null +++ b/usr.bin/who/utmpentry.h @@ -0,0 +1,76 @@ +/* $NetBSD: utmpentry.h,v 1.8 2015/11/21 15:01:43 christos Exp $ */ + +/*- + * Copyright (c) 2002 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Christos Zoulas. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#if defined(SUPPORT_UTMPX) +# include <utmpx.h> +# define WHO_NAME_LEN _UTX_USERSIZE +# define WHO_LINE_LEN _UTX_LINESIZE +# define WHO_HOST_LEN _UTX_HOSTSIZE +#elif defined(SUPPORT_UTMP) +# include <utmp.h> +# define WHO_NAME_LEN UT_NAMESIZE +# define WHO_LINE_LEN UT_LINESIZE +# define WHO_HOST_LEN UT_HOSTSIZE +#else +# error Either SUPPORT_UTMPX or SUPPORT_UTMP must be defined! +#endif + + +struct utmpentry { + char name[WHO_NAME_LEN + 1]; + char line[WHO_LINE_LEN + 1]; + char host[WHO_HOST_LEN + 1]; + struct timeval tv; + pid_t pid; + uint16_t term; + uint16_t exit; + uint16_t sess; + uint16_t type; + struct utmpentry *next; +}; + +extern size_t maxname, maxline, maxhost; +extern int etype; + +/* + * getutentries provides a linked list of struct utmpentry and returns + * the number of entries. The first argument, if not null, names an + * alternate utmp(x) file to look in. + * + * The memory returned by getutentries belongs to getutentries. The + * list returned (or elements of it) may be returned again later if + * utmp hasn't changed in the meantime. + * + * endutentries clears and frees the cached data. + */ + +size_t getutentries(const char *, struct utmpentry **); +void endutentries(void); |