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nerves_time

0.1.0
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Keep time in sync on Nerves devices

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nerves_time src ntpd_script.c
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src/ntpd_script.c 

#include <err.h>

#include <stdlib.h>

#include <stdio.h>



static const char *getenv_default(const char *key, const char *default_value)

{

    const char *result = getenv(key);

    return result != NULL ? result : default_value;

}



int main(int argc, char *argv[])

{

    if (argc < 2)

        errx(EXIT_FAILURE, "Expecting on argument from ntpd.");



    printf("ntpd_script: %s,%s,%s,%s,%s\n",

           argv[1],

           getenv_default("freq_drift_ppm", "0"),

           getenv_default("offset", "0.000000"),

           getenv_default("stratum", "16"),

           getenv_default("poll_interval", "0")

           );



    exit(EXIT_SUCCESS);

}