You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.7 KiB
46 lines
1.7 KiB
6 years ago
|
diff -up graphviz-2.34.0/cmd/lefty/os/unix/io.c.orig graphviz-2.34.0/cmd/lefty/os/unix/io.c
|
||
|
|
--- graphviz-2.34.0/cmd/lefty/os/unix/io.c.orig 2013-09-07 03:07:52.000000000 +0200
|
||
|
|
+++ graphviz-2.34.0/cmd/lefty/os/unix/io.c 2013-10-30 17:38:59.746296595 +0100
|
||
|
|
@@ -285,9 +285,8 @@ int IOwriteline (int ioi, char *bufp) {
|
||
|
|
|
||
|
|
static FILE *serverconnect (char *name) {
|
||
|
|
char *host, *portp, buf[1024];
|
||
|
|
- int port;
|
||
|
|
- struct hostent *hp;
|
||
|
|
- struct sockaddr_in sin;
|
||
|
|
+ struct addrinfo *ai;
|
||
|
|
+ struct addrinfo hints;
|
||
|
|
int cfd;
|
||
|
|
|
||
|
|
strcpy (buf, name);
|
||
|
|
@@ -295,17 +294,18 @@ static FILE *serverconnect (char *name)
|
||
|
|
portp = strchr (host, '/');
|
||
|
|
if (*host == 0 || !portp)
|
||
|
|
return NULL;
|
||
|
|
- *portp++ = 0, port = atoi (portp);
|
||
|
|
- if (!(hp = gethostbyname (host)))
|
||
|
|
- return NULL;
|
||
|
|
- memset ((char *) &sin, 1, sizeof (sin));
|
||
|
|
- memcpy ((char *) &sin.sin_addr, hp->h_addr, hp->h_length);
|
||
|
|
- sin.sin_family = hp->h_addrtype;
|
||
|
|
- sin.sin_port = htons (port);
|
||
|
|
- if ((cfd = socket (hp->h_addrtype, SOCK_STREAM, 0)) < 0)
|
||
|
|
- return NULL;
|
||
|
|
- if (connect (cfd, (struct sockaddr *) &sin, sizeof (sin)) < 0)
|
||
|
|
- return NULL;
|
||
|
|
+ *portp++ = 0;
|
||
|
|
+ memset (&hints, 0, sizeof (hints));
|
||
|
|
+ hints.ai_family = AF_UNSPEC;
|
||
|
|
+ hints.ai_flags = AI_ADDRCONFIG | AI_NUMERICSERV;
|
||
|
|
+ hints.ai_socktype = SOCK_STREAM;
|
||
|
|
+ if (getaddrinfo (host, portp, &hints, &ai))
|
||
|
|
+ return freeaddrinfo(ai), NULL;
|
||
|
|
+ if ((cfd = socket (ai->ai_family, ai->ai_socktype, ai->ai_protocol)) < 0)
|
||
|
|
+ return freeaddrinfo(ai), NULL;
|
||
|
|
+ if (connect (cfd, ai->ai_addr, ai->ai_addrlen) < 0)
|
||
|
|
+ return freeaddrinfo(ai), NULL;
|
||
|
|
+ freeaddrinfo(ai);
|
||
|
|
return fdopen (cfd, "w+");
|
||
|
|
}
|
||
|
|
|