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Diffstat (limited to 'imap/src/osdep/nt/ip4_nt.c')
-rw-r--r--imap/src/osdep/nt/ip4_nt.c47
1 files changed, 26 insertions, 21 deletions
diff --git a/imap/src/osdep/nt/ip4_nt.c b/imap/src/osdep/nt/ip4_nt.c
index 23d399e1..4ebb32b1 100644
--- a/imap/src/osdep/nt/ip4_nt.c
+++ b/imap/src/osdep/nt/ip4_nt.c
@@ -1,4 +1,18 @@
/* ========================================================================
+ * Copyright 2008-2011 Mark Crispin
+ * ========================================================================
+ */
+
+/*
+ * Program: UNIX IPv4 routines
+ *
+ * Author: Mark Crispin
+ *
+ * Date: 18 December 2003
+ * Last Edited: 23 May 2011
+ *
+ * Previous versions of this file were:
+ *
* Copyright 1988-2006 University of Washington
*
* Licensed under the Apache License, Version 2.0 (the "License");
@@ -11,20 +25,6 @@
* ========================================================================
*/
-/*
- * Program: UNIX IPv4 routines
- *
- * Author: Mark Crispin
- * Networks and Distributed Computing
- * Computing & Communications
- * University of Washington
- * Administration Building, AG-44
- * Seattle, WA 98195
- * Internet: MRC@CAC.Washington.EDU
- *
- * Date: 18 December 2003
- * Last Edited: 30 August 2006
- */
#define SADRLEN sizeof (struct sockaddr)
@@ -37,22 +37,23 @@
/* IP abstraction layer */
-char *ip_sockaddrtostring (struct sockaddr *sadr);
+char *ip_sockaddrtostring (struct sockaddr *sadr,char *buf);
long ip_sockaddrtoport (struct sockaddr *sadr);
void *ip_stringtoaddr (char *text,size_t *len,int *family);
struct sockaddr *ip_newsockaddr (size_t *len);
struct sockaddr *ip_sockaddr (int family,void *adr,size_t adrlen,
unsigned short port,size_t *len);
-char *ip_sockaddrtoname (struct sockaddr *sadr);
+char *ip_sockaddrtoname (struct sockaddr *sadr,char *buf);
void *ip_nametoaddr (char *name,size_t *len,int *family,char **canonical,
- void **next);
+ void **next,void **cleanup);
/* Return IP address string from socket address
* Accepts: socket address
+ * buffer
* Returns: IP address as name string
*/
-char *ip_sockaddrtostring (struct sockaddr *sadr)
+char *ip_sockaddrtostring (struct sockaddr *sadr,char *buf)
{
return (sadr->sa_family == PF_INET) ?
inet_ntoa (SADR4ADR (sadr)) : "NON-IPv4";
@@ -133,10 +134,11 @@ struct sockaddr *ip_sockaddr (int family,void *adr,size_t adrlen,
/* Return name from socket address
* Accepts: socket address
+ * buffer
* Returns: canonical name for that address or NIL if none
*/
-char *ip_sockaddrtoname (struct sockaddr *sadr)
+char *ip_sockaddrtoname (struct sockaddr *sadr,char *buf)
{
struct hostent *he;
return ((sadr->sa_family == PF_INET) &&
@@ -151,14 +153,17 @@ char *ip_sockaddrtoname (struct sockaddr *sadr)
* pointer to previous/returned address family
* pointer to previous/returned canonical name
* pointer to previous/return state for next-address calls
+ * pointer to cleanup
* Returns: address with length/family/canonical updated if needed, or NIL
*/
void *ip_nametoaddr (char *name,size_t *len,int *family,char **canonical,
- void **next)
+ void **next,void **cleanup)
{
char **adl,tmp[MAILTMPLEN];
struct hostent *he;
+ /* cleanup data never permitted */
+ if (cleanup && *cleanup) abort ();
if (name) { /* first lookup? */
/* yes, do case-independent lookup */
if ((strlen (name) < MAILTMPLEN) &&
@@ -166,7 +171,7 @@ void *ip_nametoaddr (char *name,size_t *len,int *family,char **canonical,
adl = he->h_addr_list;
if (len) *len = he->h_length;
if (family) *family = he->h_addrtype;
- if (canonical) *canonical = (char *) he->h_name;
+ if (canonical) *canonical = cpystr ((char *) he->h_name);
if (next) *next = (void *) adl;
}
else { /* error */