/*
 * The Npic library
 *
 * Copyright (C) 2003 Edouard Thiel <Edouard.Thiel@lif.univ-mrs.fr>
 *
 * This library is free software under the terms of the 
 * GNU Lesser General Public License (LGPL) version 2.1.
*/

/*
 * misc.c - 01/11/2008
 *
 * Miscellaneous
*/


#include <npic.h>
#include <sys/time.h>


/*--------------------- P U B L I C - I N T E R F A C E ----------------------*/

/*
 * Return time since Epoch in seconds.microseconds
*/

double NpicGetTime ()
{
  struct timeval tp;

  if (gettimeofday (&tp, (struct timezone *) NULL) == 0)
       return (double) tp.tv_sec + (double) tp.tv_usec / (double) 1E6;
  else return (double) 0;
}


/*
 * Implement strndup() for system which don't have it.
*/

char *NpicStrndup (const char *s, size_t n)
{
    size_t len = strlen (s);
    char *ret;

    if (len <= n)
	return strdup (s);

    ret = malloc(n + 1);
    strncpy(ret, s, n);
    ret[n] = '\0';
    return ret;
}


/*-------------------- P R I V A T E - F U N C T I O N S ---------------------*/