thermferm/xutil.c

Fri, 11 Mar 2016 20:27:02 +0100

author
Michiel Broek <mbroek@mbse.eu>
date
Fri, 11 Mar 2016 20:27:02 +0100
changeset 492
750f2468dec5
parent 213
2317b8d644fa
permissions
-rw-r--r--

Changed PID code. PID parameters are now stored 3 digits instead of 2 behind the decimal point. Prevent extreme heating or cooling in Beer mode. Heat and Cool lockdown now allows the lagest value to win instead of zero them both. PID output treshold from 2% to 50%.

/*****************************************************************************
 * Copyright (C) 2008-2014
 *   
 * Michiel Broek <mbroek at mbse dot eu>
 *
 * This file is part of the mbsePi-apps
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * mbsePi-apps is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with ThermFerm; see the file COPYING.  If not, write to the Free
 * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *****************************************************************************/

#include "thermferm.h"
#include "xutil.h"


char *xmalloc(size_t size)
{
    char *tmp;

    tmp = malloc(size);
    if (!tmp) 
	abort();
			            
    return tmp;
}



char *xstrcpy(char *src)
{
    char    *tmp;

    if (src == NULL) 
	return(NULL);
    tmp = xmalloc(strlen(src)+1);
    strcpy(tmp, src);
    return tmp;
}



char *xstrcat(char *src, char *add)
{
    char    *tmp;
    size_t  size = 0;

    if ((add == NULL) || (strlen(add) == 0))
	return src;
    if (src)
	size = strlen(src);
    size += strlen(add);
    tmp = xmalloc(size + 1);
    *tmp = '\0';
    if (src) {
	strcpy(tmp, src);
	free(src);
    }
    strcat(tmp, add);
    return tmp;
}

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