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	uptime.c - slstatus - status monitor
	git clone git://git.suckless.org/slstatus
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	---
	uptime.c (702B)
	---
	1 /* See LICENSE file for copyright and license details. */
	2 #include <stdint.h>
	3 #include <stdio.h>
	4 #include <time.h>
	5
	6 #include "../slstatus.h"
	7 #include "../util.h"
	8
	9 #if defined(CLOCK_BOOTTIME)
	10 #define UPTIME_FLAG CLOCK_BOOTTIME
	11 #elif defined(CLOCK_UPTIME)
	12 #define UPTIME_FLAG CLOCK_UPTIME
	13 #else
	14 #define UPTIME_FLAG CLOCK_MONOTONIC
	15 #endif
	16
	17 const char *
	18 uptime(const char *unused)
	19 {
	20 char warn_buf[256];
	21 uintmax_t h, m;
	22 struct timespec uptime;
	23
	24 if (clock_gettime(UPTIME_FLAG, &uptime) < 0) {
	25 snprintf(warn_buf, sizeof(warn_buf), "clock_gettime %d",…
	26 warn(warn_buf);
	27 return NULL;
	28 }
	29
	30 h = uptime.tv_sec / 3600;
	31 m = uptime.tv_sec % 3600 / 60;
	32
	33 return bprintf("%juh %jum", h, m);
	34 }