+++ /dev/null
-/*
- * Copyright (c) 2009-2010 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 <config.h>
-
-#include <sys/param.h>
-#include <sys/types.h>
-#include <sys/time.h>
-
-#include <stdio.h>
-#ifdef STDC_HEADERS
-# include <stdlib.h>
-# include <stddef.h>
-#else
-# ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-# endif
-#endif /* STDC_HEADERS */
-#ifdef HAVE_STRING_H
-# if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
-# include <memory.h>
-# endif
-# include <string.h>
-#endif /* HAVE_STRING_H */
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif /* HAVE_STRINGS_H */
-#include <limits.h>
-#if TIME_WITH_SYS_TIME
-# include <time.h>
-#endif
-
-#ifdef HAVE_SYSCTL
-# include <sys/sysctl.h>
-#endif
-
-#include "compat.h"
-#include "missing.h"
-
-/*
- * Fill in a struct timeval with the time the system booted.
- * Returns 1 on success and 0 on failure.
- */
-
-#if defined(__linux__)
-int
-get_boottime(tv)
- struct timeval *tv;
-{
- char *line = NULL;
- size_t linesize = 0;
- ssize_t len;
- FILE * fp;
-
- /* read btime from /proc/stat */
- fp = fopen("/proc/stat", "r");
- if (fp != NULL) {
- while ((len = getline(&line, &linesize, fp)) != -1) {
- if (strncmp(line, "btime ", 6) == 0) {
- tv->tv_sec = atoi(line + 6);
- tv->tv_usec = 0;
- return 1;
- }
- }
- fclose(fp);
- free(line);
- }
-
- return 0;
-}
-
-#elif defined(HAVE_SYSCTL) && defined(KERN_BOOTTIME)
-
-int
-get_boottime(tv)
- struct timeval *tv;
-{
- size_t size;
- int mib[2];
-
- mib[0] = CTL_KERN;
- mib[1] = KERN_BOOTTIME;
- size = sizeof(*tv);
- if (sysctl(mib, 2, tv, &size, NULL, 0) != -1)
- return 1;
-
- return 0;
-}
-
-#elif defined(HAVE_GETUTXID)
-
-#include <utmpx.h>
-int
-get_boottime(tv)
- struct timeval *tv;
-{
- struct utmpx *ut, key;
-
- memset(&key, 0, sizeof(key));
- key.ut_type = BOOT_TIME;
- if ((ut = getutxid(&key)) != NULL) {
- tv->tv_sec = ut->ut_tv.tv_sec;
- tv->tv_usec = ut->ut_tv.tv_usec;
- endutxent();
- }
- return ut != NULL;
-}
-
-#elif defined(HAVE_GETUTID)
-
-#include <utmp.h>
-int
-get_boottime(tv)
- struct timeval *tv;
-{
- struct utmp *ut, key;
-
- memset(&key, 0, sizeof(key));
- key.ut_type = BOOT_TIME;
- if ((ut = getutid(&key)) != NULL) {
- tv->tv_sec = ut->ut_time;
- tv->tv_usec = 0;
- endutent();
- }
- return ut != NULL;
-}
-
-#else
-
-int
-get_boottime(tv)
- struct timeval *tv;
-{
- return 0;
-}
-#endif