mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-29 12:03:03 +00:00
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/* pututline.c: A replacement for the pututline() function
|
|
|
|
%%% copyright-cmetz-96
|
|
This software is Copyright 1996-2001 by Craig Metz, All Rights Reserved.
|
|
The Inner Net License Version 3 applies to this software.
|
|
You should have received a copy of the license with this software. If
|
|
you didn't get a copy, you may request one from <license@inner.net>.
|
|
|
|
History:
|
|
|
|
Modified by cmetz for OPIE 2.32. Fixed check for fread() return
|
|
value.
|
|
Modified by cmetz for OPIE 2.31. If the OS won't tell us where
|
|
_PATH_UTMP is, use Autoconf-discovered values.
|
|
Created by cmetz for OPIE 2.3.
|
|
*/
|
|
|
|
#include "opie_cfg.h"
|
|
#include <stdio.h>
|
|
#include <utmp.h>
|
|
#include "opie.h"
|
|
|
|
#ifndef _PATH_UTMP
|
|
#define _PATH_UTMP PATH_UTMP_AC
|
|
#endif /* _PATH_UTMP */
|
|
|
|
void pututline FUNCTION((utmp), struct utmp *utmp)
|
|
{
|
|
FILE *f;
|
|
struct utmp u;
|
|
int i;
|
|
|
|
if (!(f = __opieopen(_PATH_UTMP, 1, 0644)))
|
|
return;
|
|
|
|
#if HAVE_TTYSLOT
|
|
if (i = ttyslot()) {
|
|
if (fseek(f, i * sizeof(struct utmp), SEEK_SET) < 0)
|
|
goto ret;
|
|
fwrite(utmp, sizeof(struct utmp), 1, f);
|
|
goto ret;
|
|
}
|
|
#endif /* HAVE_TTYSLOT */
|
|
|
|
while(fread(&u, sizeof(struct utmp), 1, f) == 1) {
|
|
if (!strncmp(utmp->ut_line, u.ut_line, sizeof(u.ut_line) - 1)) {
|
|
if ((i = ftell(f)) < 0)
|
|
goto ret;
|
|
if (fseek(f, i - sizeof(struct utmp), SEEK_SET) < 0)
|
|
goto ret;
|
|
fwrite(utmp, sizeof(struct utmp), 1, f);
|
|
goto ret;
|
|
}
|
|
}
|
|
|
|
fclose(f);
|
|
|
|
if (!(f = __opieopen(_PATH_UTMP, 2, 0644)))
|
|
return;
|
|
fwrite(utmp, sizeof(struct utmp), 1, f);
|
|
|
|
ret:
|
|
fclose(f);
|
|
}
|