/* -------------------------------------------------------------------- *//* SMS Client, send messages to mobile phones and pagers		*//*									*//* common.c								*//*									*//*  Copyright (C) 1997,1998 Angelo Masci				*//*									*//*  This library is free software; you can redistribute it and/or	*//*  modify it under the terms of the GNU Library General Public		*//*  License as published by the Free Software Foundation; either	*//*  version 2 of the License, or (at your option) any later version.	*//*									*//*  This library 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	*//*  Library General Public License for more details.			*//*									*//*  You should have received a copy of the GNU Library General Public	*//*  License along with this library; if not, write to the Free		*//*  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	*//*									*//*  You can contact the author at this e-mail address:			*//*									*//*  angelo@styx.demon.co.uk						*//*									*//* -------------------------------------------------------------------- *//* $Id$   -------------------------------------------------------------------- */#include <stdio.h>#include <string.h>#include "common.h"#include <sys/time.h>#include <sys/types.h>/* -------------------------------------------------------------------- *//* -------------------------------------------------------------------- */size_t sms_strlen(const char *s){	if (s == NULL)	{	fprintf(stderr, "WARNING: SMS Client tried to calculate the length of a NULL string\n");		return 0;	}	return strlen(s);}/* -------------------------------------------------------------------- *//* -------------------------------------------------------------------- */char *sms_strcpy(char *dest, const char *src){	if (dest == NULL)	{	fprintf(stderr, "WARNING: SMS Client tried to copy a string to an address set to NULL\n");		return NULL;	} 	if (src == NULL)	{	fprintf(stderr, "WARNING: SMS Client tried to copy a NULL string\n");		dest[0] = '\0';		return dest;	}	return strcpy(dest, src);}/* -------------------------------------------------------------------- *//* -------------------------------------------------------------------- */char *sms_strcat(char *dest, const char *src){	if (dest == NULL)	{	fprintf(stderr, "WARNING: SMS Client tried to append a string to an address set to NULL\n");		return NULL;	}	if (src == NULL)	{	fprintf(stderr, "WARNING: SMS Client tried to append a NULL string\n");		return dest;	}	return strcat(dest, src);}/* -------------------------------------------------------------------- *//* -------------------------------------------------------------------- */void sms_usleep(long microseconds){#if defined(LINUX)	usleep(microseconds);#else        struct  timeval                 timeout;                timeout.tv_usec = microseconds % 1000000;        timeout.tv_sec  = microseconds / 1000000;                select(0, NULL, NULL, NULL, &timeout);#endif}/* -------------------------------------------------------------------- *//* -------------------------------------------------------------------- */void sms_bzero(void *destination, size_t length){#if defined(LINUX)	bzero(destination, length);#else	memset(destination, '\0', length);#endif}/* -------------------------------------------------------------------- *//* -------------------------------------------------------------------- */