[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/libc/unistd/getpass.c b/ap/build/uClibc/libc/unistd/getpass.c
new file mode 100644
index 0000000..c311a15
--- /dev/null
+++ b/ap/build/uClibc/libc/unistd/getpass.c
@@ -0,0 +1,99 @@
+/* Copyright (C) 1992-1999,2001,2003,2004,2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdio.h>
+#include <string.h>
+#include <termios.h>
+#include <unistd.h>
+
+#if defined __USE_BSD || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
+
+
+/* It is desirable to use this bit on systems that have it.
+   The only bit of terminal state we want to twiddle is echoing, which is
+   done in software; there is no need to change the state of the terminal
+   hardware.  */
+
+#ifndef TCSASOFT
+#define TCSASOFT 0
+#endif
+#define PWD_BUFFER_SIZE 256
+
+char * getpass (const char *prompt)
+{
+  FILE *in, *out;
+  struct termios s, t;
+  int tty_changed;
+  static char buf[PWD_BUFFER_SIZE];
+  int nread;
+
+  /* Try to write to and read from the terminal if we can.
+     If we can't open the terminal, use stderr and stdin.  */
+
+  out = in = fopen ("/dev/tty", "r+");
+  if (in == NULL)
+    {
+      in = stdin;
+      out = stderr;
+    }
+  else
+    {
+      /* Disable buffering for read/write FILE to prevent problems with
+       * fseek and buffering for read/write auto-transitioning. */
+      setvbuf(in, NULL, _IONBF, 0);
+    }
+
+  /* Turn echoing off if it is on now.  */
+
+  tty_changed = 0;
+  if (tcgetattr (fileno (in), &t) == 0)
+    {
+      /* Save the old one. */
+      s = t;
+      /* Tricky, tricky. */
+      t.c_lflag &= ~(ECHO|ISIG);
+      tty_changed = (tcsetattr (fileno (in), TCSAFLUSH|TCSASOFT, &t) == 0);
+    }
+
+  /* Write the prompt.  */
+  fputs(prompt, out);
+  fflush(out);
+
+  /* Read the password.  */
+  if (!fgets (buf, sizeof(buf), in))
+    buf[0] = '\0';
+  nread = strlen(buf);
+  if (nread > 0 && buf[nread - 1] == '\n')
+      /* Remove the newline.  */
+      buf[nread - 1] = '\0';
+
+  if (tty_changed)
+    {
+      /* Write the newline that was not echoed.  */
+      putc('\n', out);
+      /* Restore the original setting.  */
+      (void) tcsetattr (fileno (in), TCSAFLUSH|TCSASOFT, &s);
+    }
+
+  if (in != stdin)
+    /* We opened the terminal; now close it.  */
+    fclose (in);
+
+  return buf;
+}
+#endif