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diff --git a/backend/lpd.c b/backend/lpd.c
index 6e4ab36..bbffb82 100644
--- a/backend/lpd.c
+++ b/backend/lpd.c
@@ -1244,6 +1244,7 @@ rresvport_af(int *port, /* IO - Port number to bind to */
{
http_addr_t addr; /* Socket address */
int fd; /* Socket file descriptor */
+ socklen_t socksz=sizeof(struct sockaddr); /* size of struct sockaddr* */
/*
@@ -1260,6 +1261,23 @@ rresvport_af(int *port, /* IO - Port number to bind to */
memset(&addr, 0, sizeof(addr));
addr.addr.sa_family = family;
+ switch(family) {
+ case AF_INET:
+ socksz = sizeof(struct sockaddr_in);
+ break;
+#ifdef AF_INET6
+ case AF_INET6:
+ socksz = sizeof(struct sockaddr_in6);
+ break;
+#endif
+#ifdef AF_LOCAL
+ case AF_LOCAL:
+ socksz = sizeof(struct sockaddr_un);
+#endif
+ default:
+ break;
+ }
+
/*
* Try to bind the socket to a reserved port...
*/
@@ -1276,7 +1294,7 @@ rresvport_af(int *port, /* IO - Port number to bind to */
* Try binding the port to the socket; return if all is OK...
*/
- if (!bind(fd, (struct sockaddr *)&addr, sizeof(addr)))
+ if (!bind(fd, (struct sockaddr *)&addr, socksz))
return (fd);
/*
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