/* Copyright (C) 1992, 1993, 1994, 1995 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/ormodify it under the terms of the GNU Library General Public License aspublished by the Free Software Foundation; either version 2 of theLicense, 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 ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNULibrary General Public License for more details.You should have received a copy of the GNU Library General PublicLicense along with the GNU C Library; see the file COPYING.LIB.  Ifnot, write to the Free Software Foundation, Inc., 675 Mass Ave,Cambridge, MA 02139, USA.  *//* Changes:   * uses 'fgets' instead of 'getline' to work outside glibc   * trivial replacement for AmigaDOS (without ixemul)	by Dieter Baron and Armin Obersteiner*/#include <stdio.h>#ifdef AMIGAchar *getpass(char *prompt){    char x[1024];    printf("WARNING: password will be echoed!\n");    printf("%s",prompt);    fflush(stdout);    return gets(x);}#else /* unix */#include <termios.h>#include <unistd.h>/* It is desireable 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#endifchar *getpass (prompt)     const char *prompt;{  FILE *in, *out;  struct termios t;  int echo_off;  static char buf[256];  size_t bufsize = 256;  ssize_t nread;  /* Try to write to and read from the terminal if we can.     If we can't open the terminal, use stderr and stdin.  */  in = fopen ("/dev/tty", "w+");  if (in == NULL)    {      in = stdin;      out = stderr;    }  else    out = in;  /* Turn echoing off if it is on now.  */  if (tcgetattr (fileno (in), &t) == 0)    {      if (t.c_lflag & ECHO)	{	  t.c_lflag &= ~ECHO;	  echo_off = tcsetattr (fileno (in), TCSAFLUSH|TCSASOFT, &t) == 0;	  t.c_lflag |= ECHO;	}      else	echo_off = 0;    }  else    echo_off = 0;  /* Write the prompt.  */  fputs (prompt, out);  fflush (out);  /* Read the password.  */  if (fgets(buf,bufsize,in) != NULL) {    nread=strlen(buf);    if (buf[nread - 1] == '\n')      {	/* Remove the newline.  */	buf[nread - 1] = '\0';	if (echo_off)	  /* Write the newline that was not echoed.  */	  putc ('\n', out);      }  }  /* Restore echoing.  */  if (echo_off)    (void) tcsetattr (fileno (in), TCSAFLUSH|TCSASOFT, &t);  if (in != stdin)    /* We opened the terminal; now close it.  */    fclose (in);  return buf;}#endif /* unix */