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/*
* socket.c -- socket library functions
*
* For license terms, see the file COPYING in this directory.
*/
#include <config.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netdb.h>
#if defined(STDC_HEADERS)
#include <stdlib.h>
#endif
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#ifndef INADDR_NONE
#ifdef INADDR_BROADCAST
#define INADDR_NONE INADDR_BROADCAST
#else
#define INADDR_NONE -1
#endif
#endif
#define INTERNAL_BUFSIZE 2048
FILE *sockopen(host, clientPort)
char *host;
int clientPort;
{
int sock;
unsigned long inaddr;
struct sockaddr_in ad;
struct hostent *hp;
FILE *sockfp;
memset(&ad, 0, sizeof(ad));
ad.sin_family = AF_INET;
inaddr = inet_addr(host);
if (inaddr != INADDR_NONE)
memcpy(&ad.sin_addr, &inaddr, sizeof(inaddr));
else
{
hp = gethostbyname(host);
if (hp == NULL)
return (FILE *)NULL;
memcpy(&ad.sin_addr, hp->h_addr, hp->h_length);
}
ad.sin_port = htons(clientPort);
sock = socket(AF_INET, SOCK_STREAM, 0);
if (sock < 0)
return (FILE *)NULL;
if (connect(sock, (struct sockaddr *) &ad, sizeof(ad)) < 0)
{
close(sock);
return (FILE *)NULL;
}
sockfp = fdopen(sock, "r+");
setvbuf(sockfp, NULL, _IOLBF, INTERNAL_BUFSIZE);
return sockfp;
}
/* socket.c ends here */
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