Subversion Repositories adv_debug_sys

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#include "utilities.h"

#include "errcodes.h"

int check_buffer_size(char **buf, int *buf_size_bytes, int requested_size_bytes)

{

  int ret = APP_ERR_NONE;

  if(*buf_size_bytes >= requested_size_bytes)

    {

      return APP_ERR_NONE;

    }

  free(*buf);

  *buf = (char *) malloc(requested_size_bytes);

  if(*buf != NULL) {

    *buf_size_bytes = requested_size_bytes;

  }

  else {

    *buf_size_bytes = 0;

    ret = APP_ERR_MALLOC;

  }

  return ret;

}

int create_timer(timeout_timer * timer)

{

        int r;

        //first timer alarm

        timer->wait_time.it_value.tv_sec = 1;

        timer->wait_time.it_value.tv_nsec = 0;

        //continuous timer alarm -> 0 (we only want one alarm)

        timer->wait_time.it_interval.tv_sec = 0;

        timer->wait_time.it_interval.tv_nsec = 0;

        timer->sev.sigev_notify = SIGEV_NONE;

        r = timer_create(CLOCK_REALTIME, &timer->sev, &timer->timer);

        if ( r )

        {

                fprintf(stderr, "Timer for timeout failed: %s\n", strerror(r));

                return APP_ERR_USB;

        }

        //remaining timer time

        timer->remaining_time = timer->wait_time;

        r = timer_settime(timer->timer, 0, &timer->wait_time, NULL);

        if ( r )

        {

                fprintf(stderr, "Setting timer failed: %s\n", strerror(r));

                return APP_ERR_USB;

        }

        return APP_ERR_NONE;

}

int timedout(timeout_timer * timer)

{

        int timed_out = 0;

        timer_gettime(timer->timer, &timer->remaining_time);

        timed_out = timer->remaining_time.it_value.tv_sec == 0 && timer->remaining_time.it_value.tv_nsec == 0;

        return timed_out;

}