46 lines
928 B
C++
46 lines
928 B
C++
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#include <stdio.h>
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#include <unistd.h>
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size_t Seconds(size_t ms)
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{
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return (ms / 1000UL) % (60UL);
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}
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size_t Minutes(size_t ms)
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{
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return (ms / (1000UL * 60UL)) % (60UL);
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}
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size_t Hours(size_t ms)
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{
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return (ms / (1000UL * 60UL * 60UL)) % (24UL);
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}
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size_t Days(size_t ms)
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{
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return (ms / (1000UL * 60UL * 60UL * 24UL)) % (24UL);
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}
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void PrintElement(size_t num, const char* single, const char* multiple)
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{
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static const char* prefix = "";
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if ( !num ) { return; }
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const char* str = (num>1) ? multiple : single;
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printf("%s%zu %s", prefix, num, str);
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prefix = ", ";
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}
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int main(int argc, char* argv[])
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{
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uintmax_t mssinceboot;
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if ( uptime(&mssinceboot) ) { perror("uptime"); return 1; }
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PrintElement(Days(mssinceboot), "day", "days");
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PrintElement(Hours(mssinceboot), "hour", "hours");
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PrintElement(Minutes(mssinceboot), "min", "mins");
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PrintElement(Seconds(mssinceboot), "sec", "secs");
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printf("\n");
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return 0;
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}
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