/*---------------------------------------------------------------  * Copyright (c) 1999,2000,2001,2002,2003                               * The Board of Trustees of the University of Illinois             * All Rights Reserved.                                            *---------------------------------------------------------------  * Permission is hereby granted, free of charge, to any person     * obtaining a copy of this software (Iperf) and associated        * documentation files (the "Software"), to deal in the Software   * without restriction, including without limitation the           * rights to use, copy, modify, merge, publish, distribute,         * sublicense, and/or sell copies of the Software, and to permit      * persons to whom the Software is furnished to do * so, subject to the following conditions:  * *      * Redistributions of source code must retain the above  * copyright notice, this list of conditions and  * the following disclaimers.  * *      * Redistributions in binary form must reproduce the above  * copyright notice, this list of conditions and the following  * disclaimers in the documentation and/or other materials  * provided with the distribution.  *  *      * Neither the names of the University of Illinois, NCSA,  * nor the names of its contributors may be used to endorse  * or promote products derived from this Software without * specific prior written permission.  *  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND  * NONINFRINGEMENT. IN NO EVENT SHALL THE CONTIBUTORS OR COPYRIGHT  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  * ________________________________________________________________ * National Laboratory for Applied Network Research  * National Center for Supercomputing Applications  * University of Illinois at Urbana-Champaign  * http://www.ncsa.uiuc.edu * ________________________________________________________________  * Author: Mark Gates * * snprintf.c * * This is from * W. Richard Stevens, 'UNIX Network Programming', Vol 1, 2nd Edition, *   Prentice Hall, 1998. * * * Throughout the book I use snprintf() because it's safer than sprintf(). * But as of the time of this writing, not all systems provide this * function.  The function below should only be built on those systems * that do not provide a real snprintf(). * The function below just acts like sprintf(); it is not safe, but it * tries to detect overflow. * ________________________________________________________________ */#ifdef HAVE_CONFIG_H    #include "config.h"#endif#ifndef HAVE_SNPRINTF    #include <stdlib.h>    #include <string.h>    #include <stdio.h>    #include <stdarg.h>    #include "snprintf.h"    #ifdef __cplusplusextern "C" {#endifint snprintf(char *buf, size_t size, const char *fmt, ...) {    int n;    va_list ap;    va_start(ap, fmt);    vsprintf(buf, fmt, ap); /* Sigh, some vsprintf's return ptr, not length */    n = strlen(buf);    va_end(ap);    if ( n >= size ) {        fprintf( stderr, "snprintf: overflowed array\n" );        exit(1);    }    return(n);}#ifdef __cplusplus} /* end extern "C" */    #endif#endif /* HAVE_SNPRINTF */