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/LibC/Uefi/GetPass.c

@@ -0,0 +1,57 @@
+/** @file Implement the getpass function.
+
+  Copyright (c) 2011, Intel Corporation <BR>
+  All rights reserved. This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <Library/ShellLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiLib.h>
+#include <Library/PcdLib.h>
+
+static CHAR8   *ReturnStringAscii = NULL;
+
+char *getpass(const char *Prompt)
+{
+  BOOLEAN Ascii;
+  CHAR16  *ReturnString;
+
+  Ascii = FALSE;
+
+  Print(L"%a", Prompt);
+
+  ReturnString = ShellFileHandleReturnLine (gEfiShellParametersProtocol->StdIn, &Ascii);
+  if (ReturnString == NULL) {
+    return (NULL);
+  }
+
+  ReturnStringAscii = AllocateZeroPool((StrLen(ReturnString)+1)*sizeof(CHAR8));
+  if (ReturnStringAscii == NULL) {
+    return (NULL);
+  }
+
+  UnicodeStrToAsciiStr(ReturnString, ReturnStringAscii);
+
+  FreePool(ReturnString);
+
+  return (ReturnStringAscii);
+}
+
+EFI_STATUS
+EFIAPI
+DestructMePlease (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  SHELL_FREE_NON_NULL(ReturnStringAscii);
+
+  return EFI_SUCCESS;
+}