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;
82 /* Search forward from the current point in the utmp file until the
83 next entry with a ut_line matching LINE->ut_line. */
84 extern struct utmp *getutline (__const struct utmp *__line) __THROW;
85 libc_hidden_proto(getutline)
87 /* Write out entry pointed to by UTMP_PTR into the utmp file. */
88 extern struct utmp *pututline (__const struct utmp *__utmp_ptr) __THROW;
89 libc_hidden_proto(pututline)
92 #if 0 /* def __USE_MISC */
93 /* Reentrant versions of the file for handling utmp files. */
94 extern int getutent_r (struct utmp *__buffer, struct utmp **__result) __THROW;
96 extern int getutid_r (__const struct utmp *__id, struct utmp *__buffer,
97 struct utmp **__result) __THROW;
99 extern int getutline_r (__const struct utmp *__line,
100 struct utmp *__buffer, struct utmp **__result) __THROW;
102 #endif /* Use misc. */