1 /* Copyright (C) 1993, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
24 #include <sys/types.h>
29 /* Get system dependent values and data structures. */
30 #include <bits/utmp.h>
32 /* Compatibility names for the strings of the canonical file names. */
33 #define UTMP_FILE _PATH_UTMP
34 #define UTMP_FILENAME _PATH_UTMP
35 #define WTMP_FILE _PATH_WTMP
36 #define WTMP_FILENAME _PATH_WTMP
40 #ifdef __UCLIBC_HAS_LIBUTIL__
41 /* Make FD be the controlling terminal, stdin, stdout, and stderr;
42 then close FD. Returns 0 on success, nonzero on error. */
43 extern int login_tty (int __fd
) __THROW
;
46 /* Write the given entry into utmp and wtmp. */
47 extern void login (__const
struct utmp
*__entry
) __THROW
;
49 /* Write the utmp entry to say the user on UT_LINE has logged out. */
50 extern int logout (__const
char *__ut_line
) __THROW
;
52 /* Append to wtmp an entry for the current time and the given info. */
53 extern void logwtmp (__const
char *__ut_line
, __const
char *__ut_name
,
54 __const
char *__ut_host
) __THROW
;
57 /* Append entry UTMP to the wtmp-like file WTMP_FILE. */
58 extern void updwtmp (__const
char *__wtmp_file
, __const
struct utmp
*__utmp
)
60 libc_hidden_proto(updwtmp
)
62 /* Change name of the utmp file to be examined. */
63 extern int utmpname (__const
char *__file
) __THROW
;
64 libc_hidden_proto(utmpname
)
66 /* Read next entry from a utmp-like file. */
67 extern struct utmp
*getutent (void) __THROW
;
68 libc_hidden_proto(getutent
)
70 /* Reset the input stream to the beginning of the file. */
71 extern void setutent (void) __THROW
;
72 libc_hidden_proto(setutent
)
74 /* Close the current open file. */
75 extern void endutent (void) __THROW
;
76 libc_hidden_proto(endutent
)
78 /* Search forward from the current point in the utmp file until the
79 next entry with a ut_type matching ID->ut_type. */
80 extern struct utmp
*getutid (__const
struct utmp
*__id
) __THROW
;
81 libc_hidden_proto(getutid
)
83 /* Search forward from the current point in the utmp file until the
84 next entry with a ut_line matching LINE->ut_line. */
85 extern struct utmp
*getutline (__const
struct utmp
*__line
) __THROW
;
86 libc_hidden_proto(getutline
)
88 /* Write out entry pointed to by UTMP_PTR into the utmp file. */
89 extern struct utmp
*pututline (__const
struct utmp
*__utmp_ptr
) __THROW
;
90 libc_hidden_proto(pututline
)
93 #if 0 /* def __USE_MISC */
94 /* Reentrant versions of the file for handling utmp files. */
95 extern int getutent_r (struct utmp
*__buffer
, struct utmp
**__result
) __THROW
;
97 extern int getutid_r (__const
struct utmp
*__id
, struct utmp
*__buffer
,
98 struct utmp
**__result
) __THROW
;
100 extern int getutline_r (__const
struct utmp
*__line
,
101 struct utmp
*__buffer
, struct utmp
**__result
) __THROW
;
103 #endif /* Use misc. */