mirror of
https://github.com/RGBCube/serenity
synced 2025-05-31 14:38:11 +00:00
31 lines
754 B
C++
31 lines
754 B
C++
#include <stdio.h>
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int main(int, char**)
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{
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FILE* fp = fopen("/proc/uptime", "r");
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if (!fp) {
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perror("fopen(/proc/uptime)");
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return 1;
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}
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char buffer[BUFSIZ];
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auto* p = fgets(buffer, sizeof(buffer), fp);
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if (!p) {
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perror("fgets");
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return 1;
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}
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unsigned seconds;
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sscanf(buffer, "%u", &seconds);
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printf("Up %d day%s, ", seconds / 86400, (seconds / 86400) == 1 ? "" : "s");
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seconds %= 86400;
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printf("%d hour%s, ", seconds / 3600, (seconds / 3600) == 1 ? "" : "s");
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seconds %= 3600;
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printf("%d minute%s, ", seconds / 60, (seconds / 60) == 1 ? "" : "s");
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seconds %= 60;
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printf("%d second%s\n", seconds, seconds == 1 ? "" : "s");
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fclose(fp);
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return 0;
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}
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