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uptime: break time down into more understandable units

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80 seconds -> 1 minute, 20 seconds for example
647 seconds would be 10 minutes, 47 seconds
and more...
This commit is contained in:
apio 2022-10-30 10:31:59 +01:00
parent af0f4d2037
commit 4c096bd36c
1 changed files with 29 additions and 1 deletions
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30
apps/src/uptime.c
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@ -1,10 +1,38 @@
#include <stdio.h>
#include <time.h>
#define VALUE_SINGULAR_AT_ONE(v) v, v == 1 ? "" : "s"
int main()
{
struct timespec tp;
clock_gettime(CLOCK_MONOTONIC, &tp); // On Luna, CLOCK_MONOTONIC starts at boot.
printf("up for %ld seconds\n", tp.tv_sec);
struct tm* time = gmtime(
&tp.tv_sec); // just splitting the value into seconds, minutes, hours, days... not the best way to do it but ok.
time->tm_year -= 70;
if (time->tm_year)
{
printf("up for %d year%s, %d day%s, %d hour%s, %d minute%s, %d second%s\n",
VALUE_SINGULAR_AT_ONE(time->tm_year), VALUE_SINGULAR_AT_ONE(time->tm_yday),
VALUE_SINGULAR_AT_ONE(time->tm_hour), VALUE_SINGULAR_AT_ONE(time->tm_min),
VALUE_SINGULAR_AT_ONE(time->tm_sec));
}
else if (time->tm_yday)
{
printf("up for %d day%s, %d hour%s, %d minute%s, %d second%s\n", VALUE_SINGULAR_AT_ONE(time->tm_yday),
VALUE_SINGULAR_AT_ONE(time->tm_hour), VALUE_SINGULAR_AT_ONE(time->tm_min),
VALUE_SINGULAR_AT_ONE(time->tm_sec));
}
else if (time->tm_hour)
{
printf("up for %d hour%s, %d minute%s, %d second%s\n", VALUE_SINGULAR_AT_ONE(time->tm_hour),
VALUE_SINGULAR_AT_ONE(time->tm_min), VALUE_SINGULAR_AT_ONE(time->tm_sec));
}
else if (time->tm_min)
printf("up for %d minute%s, %d second%s\n", VALUE_SINGULAR_AT_ONE(time->tm_min),
VALUE_SINGULAR_AT_ONE(time->tm_sec));
else
printf("up for %d second%s\n", VALUE_SINGULAR_AT_ONE(time->tm_sec));
}