1 /* getutline.c: A replacement for the getutline() function
4 This software is Copyright 1996-2001 by Craig Metz, All Rights Reserved.
5 The Inner Net License Version 3 applies to this software.
6 You should have received a copy of the license with this software. If
7 you didn't get a copy, you may request one from <license@inner.net>.
11 Modified by cmetz for OPIE 2.32. Fixed check for fread() return
13 Modified by cmetz for OPIE 2.31. If the OS won't tell us where
14 _PATH_UTMP is, play the SVID game, then use
15 Autoconf-discovered values.
16 Created by cmetz for OPIE 2.3.
28 #define _PATH_UTMP UTMP_FILE
30 #define _PATH_UTMP PATH_UTMP_AC
31 #endif /* UTMP_FILE */
32 #endif /* _PATH_UTMP */
34 struct utmp
*getutline
FUNCTION((utmp
), struct utmp
*utmp
)
39 if (!(f
= __opieopen(_PATH_UTMP
, 0, 0644)))
44 if (fseek(f
, i
* sizeof(struct utmp
), SEEK_SET
) < 0)
46 if (fread(&u
, sizeof(struct utmp
), 1, f
) != 1)
51 #endif /* HAVE_TTYSLOT */
53 while(fread(&u
, sizeof(struct utmp
), 1, f
) == 1) {
54 if (!strncmp(utmp
->ut_line
, u
.ut_line
, sizeof(u
.ut_line
) - 1)) {