1 files changed, 68 insertions, 0 deletions
diff --git a/src/os/linux-os_final_wtmp.c b/src/os/linux-os_final_wtmp.c
new file mode 100644
index 0000000..b3ce7c5
--- /dev/null
+++ b/src/os/linux-os_final_wtmp.c
@@ -0,0 +1,68 @@
+/* ISC license. */
+
+#include <skalibs/nonposix.h>
+
+#include <string.h>
+#include <unistd.h>
+#include <sys/time.h>
+#include <utmpx.h>
+
+#include <skalibs/strerr2.h>
+#include <skalibs/tai.h>
+
+#include "os.h"
+
+#ifndef WTMPX_FILE
+# include <utmp.h>
+# ifdef WTMP_FILE
+#  define WTMPX_FILE WTMP_FILE
+# else
+# ifdef _PATH_WTMP
+#  define WTMPX_FILE _PATH_WTMP
+# else
+#  define WTMPX_FILE "/var/log/wtmp"
+# endif
+# endif
+#endif
+
+#ifndef UT_NAMESIZE
+# define UT_NAMESIZE 32
+#endif
+
+#ifndef UT_HOSTSIZE
+# define UT_HOSTSIZE 256
+#endif
+
+void os_final_wtmp (int what)
+{
+  struct utmpx utx =
+  {
+    .ut_type = RUN_LVL,
+    .ut_pid = getpid(),
+    .ut_line = "~",
+    .ut_id = "",
+    .ut_session = getsid(0)
+  } ;
+  strncpy(utx.ut_user, what == 3 ? "reboot" : "shutdown", UT_NAMESIZE) ;
+  if (gethostname(utx.ut_host, UT_HOSTSIZE) < 0)
+  {
+    utx.ut_host[0] = 0 ;
+    strerr_warnwu1sys("gethostname") ;
+  }
+  else utx.ut_host[UT_HOSTSIZE - 1] = 0 ;
+
+ /* glibc multilib can go fuck itself */
+#ifdef  __WORDSIZE_TIME64_COMPAT32
+  {
+    struct timeval tv ;
+    if (!timeval_from_tain(&tv, &STAMP))
+      strerr_warnwu1sys("timeval_from_tain") ;
+    utx.ut_tv.tv_sec = tv.tv_sec ;
+    utx.ut_tv.tv_usec = tv.tv_usec ;
+  }
+#else
+  if (!timeval_from_tain(&utx.ut_tv, &STAMP))
+    strerr_warnwu1sys("timeval_from_tain") ;
+#endif
+  updwtmpx(WTMPX_FILE, &utx) ;
+}