main/xutil.c

Sun, 16 Apr 2023 12:27:12 +0200

author
Michiel Broek <mbroek@mbse.eu>
date
Sun, 16 Apr 2023 12:27:12 +0200
changeset 30
7448b8dd4288
parent 5
b1f38105ca7e
permissions
-rw-r--r--

Preparations for BLE GATT. Added extra time after INA219 is powered on before measurement. Reduced LEDC frequency to 60 Hz, that makes the LED lights less nervous. Hardware mod on output 4, now needs external pulldown resistor.

/*****************************************************************************
 * Copyright (C) 2008-2019
 *
 * 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 "config.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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