sinit.c

项目描述: slsnif is a serial port logging utility. It listens to the specified serial port and logs all

/* Sinit.c: this file contains interfaces to initialize and cleanup.
 *  Most o/s's don't need this, but some (WIN32, MSDOS) do.
 */
#include <stdio.h>
#include "sockets.h"

static int ssl_init= 0;

/* --------------------------------------------------------------------- */

/* Sinit: initializes Sockets */
void Sinit()
{

#ifdef MSDOS
/* initialize WIN/API DOS Socket library */
if(ssl_init == 0) {
	ssl_init= 1;
	if(socket_init()) error(XTDIO_ERROR,"socket_init() returned -1, cannot start\n");
	}
#endif

#if defined(__WIN32__) || defined(_MSC_VER)
if(ssl_init == 0) {
	static WORD    wVersionRequested;
	static WSADATA wsaData;
	int     err;
	ssl_init= 1;
	wVersionRequested= MAKEWORD(1,1);
	err= WSAStartup(wVersionRequested,&wsaData);
	if(err) error(XTDIO_ERROR,"unable to use sockets, needs version 2.0 or better\n");
	if(LOBYTE(wsaData.wVersion) != 1 ||
	   HIBYTE(wsaData.wVersion) != 1) {
		int hiver;
		int lover;
		hiver= LOBYTE(wsaData.wVersion);
		lover= HIBYTE(wsaData.wVersion);
		WSACleanup();
		error(XTDIO_ERROR,"wrong sockets version (wants 1.1, has %d.%d)\n",
		  hiver,lover);
		}
	atexit((void (*)(void)) WSACleanup);
	}
#endif

}

/* ---------------------------------------------------------------------
 * vim: ts=4
 */