New file, from Bruno Haible. Required for BeOS.

1 files changed, 102 insertions, 0 deletions

diff --git a/lib/getpass.c b/lib/getpass.c
new file mode 100644
index 000000000..08edd28d8
--- /dev/null
+++ b/lib/getpass.c
@@ -0,0 +1,102 @@
+/* Copyright (C) 1992,93,94,95,96,97,98,99,2000 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdio.h>
+#include <termios.h>
+#include <unistd.h>
+#include "getline.h"
+
+/* 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
+
+char *
+getpass (prompt)
+     const char *prompt;
+{
+  FILE *in, *out;
+  struct termios s, t;
+  int tty_changed;
+  static char *buf;
+  static size_t bufsize;
+  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)
+    {
+      /* Save the old one. */
+      s = t;
+      /* Tricky, tricky. */
+      t.c_lflag &= ~(ECHO|ISIG);
+      tty_changed = (tcsetattr (fileno (in), TCSAFLUSH|TCSASOFT, &t) == 0);
+    }
+  else
+    tty_changed = 0;
+
+  /* Write the prompt.  */
+  fputs (prompt, out);
+  fflush (out);
+
+  /* Read the password.  */
+  nread = getline (&buf, &bufsize, in);
+  if (buf != NULL)
+    {
+      if (nread < 0)
+	buf[0] = '\0';
+      else if (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.  */
+  if (tty_changed)
+    (void) tcsetattr (fileno (in), TCSAFLUSH|TCSASOFT, &s);
+
+  if (in != stdin)
+    /* We opened the terminal; now close it.  */
+    fclose (in);
+
+  return buf;
+}