From dc38f646af4582a3adffda20d7bb0e449df5e22e Mon Sep 17 00:00:00 2001
From: Volker Lendecke <vl@samba.org>
Date: Sat, 6 Dec 2014 11:28:16 +0100
Subject: [PATCH] lib: Use iov_buf in unix_msg

Now that iov_buf does not pull in talloc we can use it

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
---
 source3/lib/unix_msg/unix_msg.c    | 25 ++-----------------------
 source3/lib/unix_msg/wscript_build |  2 +-
 2 files changed, 3 insertions(+), 24 deletions(-)

diff --git a/source3/lib/unix_msg/unix_msg.c b/source3/lib/unix_msg/unix_msg.c
index 7ca506a85c6..78b29c2d071 100644
--- a/source3/lib/unix_msg/unix_msg.c
+++ b/source3/lib/unix_msg/unix_msg.c
@@ -23,6 +23,7 @@
 #include "system/network.h"
 #include "dlinklist.h"
 #include "pthreadpool/pthreadpool.h"
+#include "lib/iov_buf.h"
 #include <fcntl.h>
 
 /*
@@ -77,7 +78,6 @@ struct unix_dgram_ctx {
 	char path[];
 };
 
-static ssize_t iov_buflen(const struct iovec *iov, int iovlen);
 static void unix_dgram_recv_handler(struct poll_watch *w, int fd, short events,
 				    void *private_data);
 
@@ -583,10 +583,7 @@ static int queue_msg(struct unix_dgram_send_queue *q,
 	}
 #endif /*  HAVE_STRUCT_MSGHDR_MSG_CONTROL */
 
-	for (i=0; i<iovlen; i++) {
-		memcpy(data_buf, iov[i].iov_base, iov[i].iov_len);
-		data_buf += iov[i].iov_len;
-	}
+	iov_buf(iov, iovlen, data_buf, data_len);
 
 	DLIST_ADD_END(q->msgs, msg, struct unix_dgram_msg);
 	return 0;
@@ -1106,21 +1103,3 @@ int unix_msg_free(struct unix_msg_ctx *ctx)
 	free(ctx);
 	return 0;
 }
-
-static ssize_t iov_buflen(const struct iovec *iov, int iovlen)
-{
-	size_t buflen = 0;
-	int i;
-
-	for (i=0; i<iovlen; i++) {
-		size_t thislen = iov[i].iov_len;
-		size_t tmp = buflen + thislen;
-
-		if ((tmp < buflen) || (tmp < thislen)) {
-			/* overflow */
-			return -1;
-		}
-		buflen = tmp;
-	}
-	return buflen;
-}
diff --git a/source3/lib/unix_msg/wscript_build b/source3/lib/unix_msg/wscript_build
index 200840d0265..e638ea677d9 100644
--- a/source3/lib/unix_msg/wscript_build
+++ b/source3/lib/unix_msg/wscript_build
@@ -2,7 +2,7 @@
 
 bld.SAMBA3_SUBSYSTEM('UNIX_MSG',
                      source='unix_msg.c',
-		     deps='replace PTHREADPOOL')
+		     deps='replace PTHREADPOOL iov_buf')
 
 bld.SAMBA3_BINARY('unix_msg_test',
                   source='tests.c',
-- 
2.11.4.GIT