function to return the current time in a struct timespec

gettime.c

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2004 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <time.h>
+#include <stdio.h>
+
+#include "config.h"
+#include <compat.h>
+
+#ifndef lint
+static const char rcsid[] = "$Sudo$";
+#endif /* lint */
+
+/*
+ * Get the current time via gettimeofday() for systems with
+ * timespecs in struct stat or, otherwise, using time().
+ * XXX - configure check for gettimeofday() - XXX
+ */
+int
+gettime(ts)
+    struct timespec *ts;
+{
+    int rval;
+#if defined(HAVE_GETTIMEOFDAY) && (defined(HAVE_ST_MTIM) || defined(HAVE_ST_MTIMESPEC))
+    struct timeval tv;
+
+    rval = gettimeofday(&tv, NULL);
+    ts->tv_sec = tv.tv_sec;
+    ts->tv_nsec = tv.tv_usec * 1000;
+#else
+    rval = (int)time(&ts->tv_sec);
+    ts->tv_nsec = 0;
+#endif
+    return (rval);
+}