-/* Copyright (C) 1992-2001, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2001, 2003-2007, 2009-2013 Free Software Foundation, Inc.
+
This file is part of the GNU C Library.
This program is free software; you can redistribute it and/or modify
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ with this program; if not, see <http://www.gnu.org/licenses/>. */
-#if HAVE_CONFIG_H
+#ifndef _LIBC
# include <config.h>
#endif
-#if !_LIBC
-# include "getpass.h"
-#endif
-
-#if _LIBC
-# define HAVE_STDIO_EXT_H 1
-#endif
-
-#include <stdbool.h>
+#include "getpass.h"
#include <stdio.h>
-#if HAVE_STDIO_EXT_H
-# include <stdio_ext.h>
-#else
-# define __fsetlocking(stream, type) /* empty */
-#endif
-#if !_LIBC
-# include "getline.h"
-#endif
-
-#include <termios.h>
-#include <unistd.h>
-
-#if _LIBC
-# include <wchar.h>
-#endif
-
-#if _LIBC
-# define NOTCANCEL_MODE "c"
-#else
-# define NOTCANCEL_MODE
-#endif
-#if _LIBC
-# define flockfile(s) _IO_flockfile (s)
-# define funlockfile(s) _IO_funlockfile (s)
-#elif USE_UNLOCKED_IO
-# include "unlocked-io.h"
-#else
-# undef fflush_unlocked
-# define fflush_unlocked(x) fflush (x)
-# undef flockfile
-# define flockfile(x) ((void) 0)
-# undef funlockfile
-# define funlockfile(x) ((void) 0)
-# undef fputs_unlocked
-# define fputs_unlocked(str,stream) fputs (str, stream)
-# undef putc_unlocked
-# define putc_unlocked(c,stream) putc (c, stream)
-#endif
-
-#if _LIBC
-# include <bits/libc-lock.h>
-#else
-# define __libc_cleanup_push(function, arg) /* empty */
-# define __libc_cleanup_pop(execute) /* empty */
-#endif
-
-#if !_LIBC
-# define __getline getline
-# define __tcgetattr tcgetattr
-#endif
+#if !((defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__)
+
+# include <stdbool.h>
+
+# if HAVE_DECL___FSETLOCKING && HAVE___FSETLOCKING
+# if HAVE_STDIO_EXT_H
+# include <stdio_ext.h>
+# endif
+# else
+# define __fsetlocking(stream, type) /* empty */
+# endif
+
+# if HAVE_TERMIOS_H
+# include <termios.h>
+# endif
+
+# if USE_UNLOCKED_IO
+# include "unlocked-io.h"
+# else
+# if !HAVE_DECL_FFLUSH_UNLOCKED
+# undef fflush_unlocked
+# define fflush_unlocked(x) fflush (x)
+# endif
+# if !HAVE_DECL_FLOCKFILE
+# undef flockfile
+# define flockfile(x) ((void) 0)
+# endif
+# if !HAVE_DECL_FUNLOCKFILE
+# undef funlockfile
+# define funlockfile(x) ((void) 0)
+# endif
+# if !HAVE_DECL_FPUTS_UNLOCKED
+# undef fputs_unlocked
+# define fputs_unlocked(str,stream) fputs (str, stream)
+# endif
+# if !HAVE_DECL_PUTC_UNLOCKED
+# undef putc_unlocked
+# define putc_unlocked(c,stream) putc (c, stream)
+# endif
+# endif
/* 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
+# ifndef TCSASOFT
+# define TCSASOFT 0
+# endif
static void
call_fclose (void *arg)
FILE *tty;
FILE *in, *out;
struct termios s, t;
- bool tty_changed;
+ bool tty_changed = false;
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. */
- tty = fopen ("/dev/tty", "w+" NOTCANCEL_MODE);
+ tty = fopen ("/dev/tty", "w+");
if (tty == NULL)
{
in = stdin;
out = in = tty;
}
- /* Make sure the stream we opened is closed even if the thread is
- canceled. */
- __libc_cleanup_push (call_fclose, tty);
-
flockfile (out);
/* Turn echoing off if it is on now. */
-
- if (__tcgetattr (fileno (in), &t) == 0)
+# if HAVE_TCGETATTR
+ 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);
+ t.c_lflag &= ~(ECHO | ISIG);
+ tty_changed = (tcsetattr (fileno (in), TCSAFLUSH | TCSASOFT, &t) == 0);
}
- else
- tty_changed = false;
+# endif
/* Write the prompt. */
-#ifdef USE_IN_LIBIO
- if (_IO_fwide (out, 0) > 0)
- __fwprintf (out, L"%s", prompt);
- else
-#endif
- fputs_unlocked (prompt, out);
+ fputs_unlocked (prompt, out);
fflush_unlocked (out);
/* Read the password. */
- nread = __getline (&buf, &bufsize, in);
-
-#if !_LIBC
- /* As far as is known, glibc doesn't need this no-op fseek. */
+ nread = getline (&buf, &bufsize, in);
/* According to the C standard, input may not be followed by output
on the same stream without an intervening call to a file
== fileno (out). The POSIX restrictions are tricky and change
from POSIX version to POSIX version, so play it safe and invoke
fseek even if in != out. */
- fseek (out, 0, SEEK_CUR);
-#endif
+ fseeko (out, 0, SEEK_CUR);
if (buf != NULL)
{
if (nread < 0)
- buf[0] = '\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. */
-#ifdef USE_IN_LIBIO
- if (_IO_fwide (out, 0) > 0)
- putwc_unlocked (L'\n', out);
- else
-#endif
- putc_unlocked ('\n', out);
- }
- }
+ {
+ /* Remove the newline. */
+ buf[nread - 1] = '\0';
+ if (tty_changed)
+ {
+ /* Write the newline that was not echoed. */
+ putc_unlocked ('\n', out);
+ }
+ }
}
/* Restore the original setting. */
+# if HAVE_TCSETATTR
if (tty_changed)
- (void) tcsetattr (fileno (in), TCSAFLUSH|TCSASOFT, &s);
+ tcsetattr (fileno (in), TCSAFLUSH | TCSASOFT, &s);
+# endif
funlockfile (out);
- __libc_cleanup_pop (0);
-
call_fclose (tty);
return buf;
}
+
+#else /* W32 native */
+
+/* Windows implementation by Martin Lambers <marlam@marlam.de>,
+ improved by Simon Josefsson. */
+
+/* For PASS_MAX. */
+# include <limits.h>
+/* For _getch(). */
+# include <conio.h>
+/* For strdup(). */
+# include <string.h>
+
+# ifndef PASS_MAX
+# define PASS_MAX 512
+# endif
+
+char *
+getpass (const char *prompt)
+{
+ char getpassbuf[PASS_MAX + 1];
+ size_t i = 0;
+ int c;
+
+ if (prompt)
+ {
+ fputs (prompt, stderr);
+ fflush (stderr);
+ }
+
+ for (;;)
+ {
+ c = _getch ();
+ if (c == '\r')
+ {
+ getpassbuf[i] = '\0';
+ break;
+ }
+ else if (i < PASS_MAX)
+ {
+ getpassbuf[i++] = c;
+ }
+
+ if (i >= PASS_MAX)
+ {
+ getpassbuf[i] = '\0';
+ break;
+ }
+ }
+
+ if (prompt)
+ {
+ fputs ("\r\n", stderr);
+ fflush (stderr);
+ }
+
+ return strdup (getpassbuf);
+}
+#endif
projects / gnulib.git / blobdiff