Add sethostname

	* net.cc (sethostname): New function.
	* common.din (sethostname): Export
	* include/cygwin/version.h (CYGWIN_VERSION_DLL_MAJOR): Bump to 2001.
	(CYGWIN_VERSION_DLL_MINOR): Set to 0.

	* new-features.xml (ov-new): Rename from ov-new1.7.
	(ov-new2.1): Add new section.  Document sethostname.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

7 files changed, 44 insertions, 3 deletions

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 062b065ce..58a382158 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,10 @@
+2015-06-17  Corinna Vinschen  <corinna@vinschen.de>
+
+	* net.cc (sethostname): New function.
+	* common.din (sethostname): Export
+	* include/cygwin/version.h (CYGWIN_VERSION_DLL_MAJOR): Bump to 2001.
+	(CYGWIN_VERSION_DLL_MINOR): Set to 0.
+
 2015-06-15  Corinna Vinschen  <corinna@vinschen.de>
 
 	* fhandler_socket.cc (LOCK_EVENTS): Don't enter critical section with
diff --git a/winsup/cygwin/common.din b/winsup/cygwin/common.din
index f14b33107..dd9bb2576 100644
--- a/winsup/cygwin/common.din
+++ b/winsup/cygwin/common.din
@@ -1054,6 +1054,7 @@ sendmsg = cygwin_sendmsg SIGFE
 sendto = cygwin_sendto SIGFE
 setbuf SIGFE
 setbuffer SIGFE
+sethostname SIGFE
 setdtablesize SIGFE
 setegid SIGFE
 setenv SIGFE
diff --git a/winsup/cygwin/include/cygwin/version.h b/winsup/cygwin/include/cygwin/version.h
index 8305b07a5..3d5d4de58 100644
--- a/winsup/cygwin/include/cygwin/version.h
+++ b/winsup/cygwin/include/cygwin/version.h
@@ -42,8 +42,8 @@ details. */
 	 the Cygwin shared library".  This version is used to track important
 	 changes to the DLL and is mainly informative in nature. */
 
-#define CYGWIN_VERSION_DLL_MAJOR 2000
-#define CYGWIN_VERSION_DLL_MINOR 5
+#define CYGWIN_VERSION_DLL_MAJOR 2001
+#define CYGWIN_VERSION_DLL_MINOR 0
 
       /* Major numbers before CYGWIN_VERSION_DLL_EPOCH are
 	 incompatible. */
diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc
index ae8612952..20b4d3cb1 100644
--- a/winsup/cygwin/net.cc
+++ b/winsup/cygwin/net.cc
@@ -1095,6 +1095,20 @@ cygwin_gethostname (char *name, size_t len)
   return res;
 }
 
+extern "C" int
+sethostname (const char *name, size_t len)
+{
+  WCHAR wname[MAX_COMPUTERNAME_LENGTH + 1];
+
+  sys_mbstowcs (wname, MAX_COMPUTERNAME_LENGTH + 1, name, len);
+  if (!SetComputerNameExW (ComputerNamePhysicalDnsHostname, wname))
+    {
+      __seterrno ();
+      return -1;
+    }
+  return 0;
+}
+
 /* exported as gethostbyname: standards? */
 extern "C" struct hostent *
 cygwin_gethostbyname (const char *name)
diff --git a/winsup/cygwin/release/2.0.5 b/winsup/cygwin/release/2.1.0
index 9f26a8a59..5680cb31e 100644
--- a/winsup/cygwin/release/2.0.5
+++ b/winsup/cygwin/release/2.1.0
@@ -1,6 +1,8 @@
 What's new:
 -----------
 
+- New API: sethostname.
+
 
 What changed:
 -------------
diff --git a/winsup/doc/ChangeLog b/winsup/doc/ChangeLog
index 6f1b01aa0..02bf22e80 100644
--- a/winsup/doc/ChangeLog
+++ b/winsup/doc/ChangeLog
@@ -1,3 +1,8 @@
+2015-06-17  Corinna Vinschen  <corinna@vinschen.de>
+
+	* new-features.xml (ov-new): Rename from ov-new1.7.
+	(ov-new2.1): Add new section.  Document sethostname.
+
 2015-06-12  Jon Turney  <jon.turney@dronecode.org.uk>
 
 	* Makefile.in (install-man, utils2man.stamp): Add rules to build
diff --git a/winsup/doc/new-features.xml b/winsup/doc/new-features.xml
index 2d0ed0b03..6edde24e1 100644
--- a/winsup/doc/new-features.xml
+++ b/winsup/doc/new-features.xml
@@ -2,7 +2,19 @@
 <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook V4.5//EN"
 		"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
 
-<sect1 id="ov-new1.7"><title>What's new and what changed in Cygwin</title>
+<sect1 id="ov-new"><title>What's new and what changed in Cygwin</title>
+
+<sect2 id="ov-new2.1"><title>What's new and what changed in 2.1</title>
+
+<itemizedlist mark="bullet">
+
+<listitem><para>
+New API: sethostname.
+</para></listitem>
+
+</itemizedlist>
+
+</sect2>
 
 <sect2 id="ov-new2.0"><title>What's new and what changed in 2.0</title>