Add Socket Libraries.

Add Posix functions for porting compatibility.
Fix compliance issues with ISO/IEC 9899:199409
New Functions:
  setenv(), fparseln(), GetFileNameFromPath(), rename(),
  realpath(), setprogname(), getprogname(), strlcat(), strlcpy(),
  strsep(), setitimer(), getitimer(), timegm(), getopt(), basename(),
  mkstemp(), ffs(), vsnprintf(), snprintf(), getpass(), usleep(), select(),
  writev(), strcasecmp(), getcwd(), chdir(), tcgetpgrp(), getpgrp(), gettimeofday(),
  bcopy(), 


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12061 6f19259b-4bc3-4df7-8a09-765794883524

StdLib/BsdSocketLib/sethostname.c

@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 1999, 2000
+ * Intel Corporation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this software must
+ *    display the following acknowledgement:
+ *
+ *    This product includes software developed by Intel Corporation and its
+ *    contributors.
+ *
+ * 4. Neither the name of Intel Corporation or its contributors may be used to
+ *    endorse or promote products derived from this software without specific
+ *    prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL INTEL CORPORATION OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <Uefi.h>
+#include <unistd.h>
+#include <wchar.h>
+
+/*++
+
+Module Name:
+
+    sethostname.c
+
+Abstract:
+
+    Map FreeBSD sethostname call to EFI Interface
+
+
+Revision History
+
+--*/
+
+int
+sethostname(
+  const char * name,
+  size_t namelen
+  )
+/*++
+
+Routine Description:
+
+    Set the hostname for this system.
+
+Arguments:
+
+  name    - Pointer to hostname.
+  namelen   - Length of name
+
+Returns:
+
+  0 on success, -1 if not set
+
+--*/
+{
+  int SetStatus;
+  char * pName;
+
+  //
+  //  Allocate a new buffer for name since the input value
+  //  does not need to be zero terminated
+  //
+  pName = malloc ( namelen + 1 );
+  if ( NULL == pName ) {
+    errno = ENOMEM;
+    SetStatus = -1;
+  }
+  else {
+    //
+    //  Create a zero terminated string for name
+    //
+    memcpy ( pName, name, namelen );
+    pName [ namelen ] = 0;
+  
+    //
+    //  Set the environment variable
+    //
+    SetStatus = setenv ("HOSTNAME", pName, TRUE);
+
+    //
+    //  Free the temporary buffer
+    //
+    free ( pName );
+  }
+
+  //
+  //  Return the results
+  //
+  return SetStatus;
+}