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-rw-r--r--login/logwtmp.c59
-rw-r--r--login/utmp.h4
2 files changed, 37 insertions, 26 deletions
diff --git a/login/logwtmp.c b/login/logwtmp.c
index 876388323f..b6af813e73 100644
--- a/login/logwtmp.c
+++ b/login/logwtmp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -25,38 +25,17 @@
#include <sys/stat.h>
void
-logwtmp (const char *line, const char *name, const char *host)
+updwtmp (const char *wtmp_file, const struct utmp *ut)
{
- struct utmp ut;
struct stat st;
size_t written;
int fd;
/* Open WTMP file. */
- fd = __open (_PATH_WTMP, O_WRONLY | O_APPEND);
+ fd = __open (wtmp_file, O_WRONLY | O_APPEND);
if (fd < 0)
return;
- /* Set information in new entry. */
- memset (&ut, 0, sizeof (ut));
-#if _HAVE_UT_PID - 0
- ut.ut_pid = getpid ();
-#endif
-#if _HAVE_UT_TYPE - 0
- ut.ut_type = name[0] ? USER_PROCESS : DEAD_PROCESS;
-#endif
- strncpy (ut.ut_line, line, sizeof ut.ut_line);
- strncpy (ut.ut_name, name, sizeof ut.ut_name);
-#if _HAVE_UT_HOST - 0
- strncpy (ut.ut_host, host, sizeof ut.ut_host);
-#endif
-
-#if _HAVE_UT_TV - 0
- __gettimeofday (&ut.ut_tv, NULL);
-#else
- time (&ut.ut_time);
-#endif
-
/* Try to lock the file. */
if (__flock (fd, LOCK_EX | LOCK_NB) < 0 && errno != ENOSYS)
{
@@ -74,8 +53,8 @@ logwtmp (const char *line, const char *name, const char *host)
/* Write the entry. If we can't write all the bytes, reset the file
size back to the original size. That way, no partial entries
will remain. */
- written = __write (fd, &ut, sizeof (ut));
- if (written > 0 && written != sizeof (ut))
+ written = __write (fd, ut, sizeof (struct utmp));
+ if (written > 0 && written != sizeof (struct utmp))
ftruncate (fd, st.st_size);
done:
@@ -85,3 +64,31 @@ done:
/* Close WTMP file. */
__close (fd);
}
+
+void
+logwtmp (const char *line, const char *name, const char *host)
+{
+ struct utmp ut;
+
+ /* Set information in new entry. */
+ memset (&ut, 0, sizeof (ut));
+#if _HAVE_UT_PID - 0
+ ut.ut_pid = getpid ();
+#endif
+#if _HAVE_UT_TYPE - 0
+ ut.ut_type = name[0] ? USER_PROCESS : DEAD_PROCESS;
+#endif
+ strncpy (ut.ut_line, line, sizeof ut.ut_line);
+ strncpy (ut.ut_name, name, sizeof ut.ut_name);
+#if _HAVE_UT_HOST - 0
+ strncpy (ut.ut_host, host, sizeof ut.ut_host);
+#endif
+
+#if _HAVE_UT_TV - 0
+ __gettimeofday (&ut.ut_tv, NULL);
+#else
+ time (&ut.ut_time);
+#endif
+
+ updwtmp(_PATH_WTMP, &ut);
+}
diff --git a/login/utmp.h b/login/utmp.h
index 2e87070537..9be0ec5b06 100644
--- a/login/utmp.h
+++ b/login/utmp.h
@@ -49,6 +49,10 @@ extern void login __P ((__const struct utmp *__entry));
/* Write the utmp entry to say the user on UT_LINE has logged out. */
extern int logout __P ((__const char *__ut_line));
+/* Append the given entry to a wtmp file. */
+extern void updwtmp __P ((__const char *__wtmp_file,
+ __const struct utmp *__entry));
+
/* Append to wtmp an entry for the current time and the given info. */
extern void logwtmp __P ((__const char *__ut_line, __const char *__ut_name,
__const char *__ut_host));