[Midnightbsd-cvs] src [6487] trunk: add allocaddrinfo(3)

[laffer1 at midnightbsd.org]

Revision: 6487
          http://svnweb.midnightbsd.org/src/?rev=6487
Author:   laffer1
Date:     2013-12-14 14:59:36 -0500 (Sat, 14 Dec 2013)
Log Message:
-----------
add allocaddrinfo(3)

Modified Paths:
--------------
    trunk/include/netdb.h
    trunk/lib/libc/net/Makefile.inc
    trunk/lib/libc/net/Symbol.map
    trunk/lib/libc/net/getaddrinfo.c

Modified: trunk/include/netdb.h
===================================================================
--- trunk/include/netdb.h	2013-12-12 03:09:55 UTC (rev 6486)
+++ trunk/include/netdb.h	2013-12-14 19:59:36 UTC (rev 6487)
@@ -281,6 +281,9 @@
 void		setnetgrent(const char *);
 #endif
 
+#if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 520 || __BSD_VISIBLE
+struct addrinfo *allocaddrinfo(socklen_t);
+#endif
 
 /*
  * PRIVATE functions specific to the FreeBSD implementation

Modified: trunk/lib/libc/net/Makefile.inc
===================================================================
--- trunk/lib/libc/net/Makefile.inc	2013-12-12 03:09:55 UTC (rev 6486)
+++ trunk/lib/libc/net/Makefile.inc	2013-12-14 19:59:36 UTC (rev 6487)
@@ -60,7 +60,7 @@
 	ethers.3 ether_ntoa.3 ethers.3 ether_ntohost.3
 MLINKS+=eui64.3 eui64_aton.3 eui64.3 eui64_hostton.3 \
 	eui64.3 eui64_ntoa.3 eui64.3 eui64_ntohost.3
-MLINKS+=getaddrinfo.3 freeaddrinfo.3 
+MLINKS+=getaddrinfo.3 freeaddrinfo.3 getaddrinfo.3 allocaddrinfo.3
 MLINKS+=gethostbyname.3 endhostent.3 gethostbyname.3 gethostbyaddr.3 \
 	gethostbyname.3 gethostbyname2.3 gethostbyname.3 gethostent.3 \
 	gethostbyname.3 herror.3 gethostbyname.3 hstrerror.3 \

Modified: trunk/lib/libc/net/Symbol.map
===================================================================
--- trunk/lib/libc/net/Symbol.map	2013-12-12 03:09:55 UTC (rev 6486)
+++ trunk/lib/libc/net/Symbol.map	2013-12-14 19:59:36 UTC (rev 6487)
@@ -148,6 +148,10 @@
 	sctp_sendv;
 };
 
+MNBSD_1.1 {
+	allocaddrinfo;
+};
+
 FBSDprivate_1.0 {
 	_nsdispatch;
 	_nsyyerror;	/* generated from nslexer.l */

Modified: trunk/lib/libc/net/getaddrinfo.c
===================================================================
--- trunk/lib/libc/net/getaddrinfo.c	2013-12-12 03:09:55 UTC (rev 6486)
+++ trunk/lib/libc/net/getaddrinfo.c	2013-12-14 19:59:36 UTC (rev 6487)
@@ -1300,6 +1300,20 @@
 	return 0;
 }
 
+struct addrinfo *
+allocaddrinfo(socklen_t addrlen)
+{
+	struct addrinfo *ai;
+ 
+	ai = calloc(sizeof(struct addrinfo) + addrlen, 1);
+	if (ai) {
+		ai->ai_addr = (void *)(ai+1);
+		ai->ai_addrlen = ai->ai_addr->sa_len = addrlen;
+	}
+ 
+	return ai;
+}
+
 static struct addrinfo *
 get_ai(const struct addrinfo *pai, const struct afd *afd, const char *addr)
 {