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uptime: Simplifiy and clean up

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This commit is contained in:
Aaron Marcher 2018-05-02 08:41:06 +02:00
parent f007007156
commit e43c3a16f0
1 changed files with 19 additions and 20 deletions
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39
components/uptime.c
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@ -1,41 +1,43 @@
/* See LICENSE file for copyright and license details. */ /* See LICENSE file for copyright and license details. */
#include <errno.h>
#include <stdio.h> #include <stdio.h>
#include <string.h>
#include "../util.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__) #if defined(__linux__)
#include <sys/sysinfo.h> #include <sys/sysinfo.h>
const char * const char *
uptime(void) uptime(void)
{ {
int h; int uptime;
int m;
int uptime = 0;
struct sysinfo info; struct sysinfo info;
sysinfo(&info); sysinfo(&info);
uptime = info.uptime; uptime = info.uptime;
h = uptime / 3600; return format(uptime);
m = (uptime - h * 3600) / 60;
return bprintf("%dh %dm", h, m);
} }
#elif defined(__OpenBSD__) #elif defined(__OpenBSD__)
#include <errno.h>
#include <string.h>
#include <sys/sysctl.h> #include <sys/sysctl.h>
#include <sys/time.h> #include <sys/time.h>
const char * const char *
uptime(void) uptime(void)
{ {
int h; int mib[2], uptime;
int m;
int uptime = 0;
int mib[2];
size_t size; size_t size;
time_t now; time_t now;
struct timeval boottime; struct timeval boottime;
@ -47,16 +49,13 @@
size = sizeof(boottime); size = sizeof(boottime);
if (sysctl(mib, 2, &boottime, &size, NULL, 0) != -1) if (sysctl(mib, 2, &boottime, &size, NULL, 0) == -1)
uptime = now - boottime.tv_sec;
else {
fprintf(stderr, "sysctl 'KERN_BOOTTIME': %s\n", strerror(errno)); fprintf(stderr, "sysctl 'KERN_BOOTTIME': %s\n", strerror(errno));
return NULL; return NULL;
} }
h = uptime / 3600; uptime = now - boottime.tv_sec;
m = (uptime - h * 3600) / 60;
return bprintf("%dh %dm", h, m); return format(uptime);
} }
#endif #endif