counter.c
author Markus Bröker<broeker.markus@googlemail.com>
Sun, 22 Oct 2017 22:55:27 +0200
changeset 172 43ae72f88d06
parent 131 b5ad49852adc
permissions -rw-r--r--
2er Komplement und integerToString
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/**
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 * counter.c
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 * Copyright (C) 2008 Markus Broeker
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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int main (int argc, char **argv)
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{
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    time_t t;
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    struct tm *time_str;
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    int start, end;
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    if (argc != 2) {
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        printf ("Usage: %s \"<command>\"\n", argv[0]);
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        return EXIT_FAILURE;
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    }
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    time (&t);
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    time_str = gmtime (&t);
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    start = time_str->tm_hour * 60 * 60 + time_str->tm_min * 60 + time_str->tm_sec;
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    if (system (argv[1]) == -1) {
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        return EXIT_FAILURE;
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    }
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    time (&t);
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    time_str = gmtime (&t);
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    end = time_str->tm_hour * 60 * 60 + time_str->tm_min * 60 + time_str->tm_sec;
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    printf ("Command Execution Time: %8ds\n", end - start);
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    return EXIT_SUCCESS;
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}