ee5ec75621
- Use block for single statement ifs - Keep lines to reasonable length (current debate as to reasonable) - When functions return -1 for error test against 0 not -1 - Do not indent cases another level - Do not test against NULL and 0 explicitly - Use tabs for indentation, use spaces for alignment
61 lines
958 B
C
61 lines
958 B
C
/* See LICENSE file for copyright and license details. */
|
|
#include <stdio.h>
|
|
|
|
#include "../util.h"
|
|
|
|
const char *
|
|
format(int uptime)
|
|
{
|
|
int h, m;
|
|
|
|
h = uptime / 3600;
|
|
m = (uptime - h * 3600) / 60;
|
|
|
|
return bprintf("%dh %dm", h, m);
|
|
}
|
|
|
|
#if defined(__linux__)
|
|
#include <sys/sysinfo.h>
|
|
|
|
const char *
|
|
uptime(void)
|
|
{
|
|
int uptime;
|
|
struct sysinfo info;
|
|
|
|
sysinfo(&info);
|
|
uptime = info.uptime;
|
|
|
|
return format(uptime);
|
|
}
|
|
#elif defined(__OpenBSD__)
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/time.h>
|
|
|
|
const char *
|
|
uptime(void)
|
|
{
|
|
int mib[2], uptime;
|
|
size_t size;
|
|
time_t now;
|
|
struct timeval boottime;
|
|
|
|
time(&now);
|
|
|
|
mib[0] = CTL_KERN;
|
|
mib[1] = KERN_BOOTTIME;
|
|
|
|
size = sizeof(boottime);
|
|
|
|
if (sysctl(mib, 2, &boottime, &size, NULL, 0) < 0) {
|
|
fprintf(stderr, "sysctl 'KERN_BOOTTIME': %s\n", strerror(errno));
|
|
return NULL;
|
|
}
|
|
|
|
uptime = now - boottime.tv_sec;
|
|
|
|
return format(uptime);
|
|
}
|
|
#endif
|