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214 lines
4.3 KiB
C
214 lines
4.3 KiB
C
/* Utility and Unix shadow routines for GNU Emacs support programs on NT.
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Copyright (C) 1994, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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Geoff Voelker (voelker@cs.washington.edu) 10-8-94
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*/
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#include <windows.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <time.h>
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#include <direct.h>
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#include "ntlib.h"
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#define MAXPATHLEN _MAX_PATH
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/* Emulate sleep...we could have done this with a define, but that
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would necessitate including windows.h in the files that used it.
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This is much easier. */
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void
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sleep(unsigned long seconds)
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{
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Sleep (seconds * 1000);
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}
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/* Get the current working directory. */
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char *
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getwd (char *dir)
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{
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if (GetCurrentDirectory (MAXPATHLEN, dir) > 0)
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return dir;
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return NULL;
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}
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static HANDLE getppid_parent;
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static int getppid_ppid;
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int
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getppid(void)
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{
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char *ppid;
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DWORD result;
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ppid = getenv ("EM_PARENT_PROCESS_ID");
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if (!ppid)
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{
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printf("no pid.\n");
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return 0;
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}
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else
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{
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getppid_ppid = atoi (ppid);
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}
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if (!getppid_parent)
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{
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getppid_parent = OpenProcess (SYNCHRONIZE, FALSE, atoi(ppid));
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if (!getppid_parent)
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{
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printf ("Failed to open handle to parent process: %d\n",
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GetLastError());
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exit (1);
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}
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}
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result = WaitForSingleObject (getppid_parent, 0);
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switch (result)
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{
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case WAIT_TIMEOUT:
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/* The parent is still alive. */
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return getppid_ppid;
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case WAIT_OBJECT_0:
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/* The parent is gone. Return the pid of Unix init (1). */
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return 1;
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case WAIT_FAILED:
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default:
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printf ("Checking parent status failed: %d\n", GetLastError());
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exit (1);
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}
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}
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char *
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getlogin ()
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{
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static char user_name[256];
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DWORD length = sizeof (user_name);
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if (GetUserName (user_name, &length))
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return user_name;
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return NULL;
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}
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char *
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cuserid (char * s)
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{
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char * name = getlogin ();
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if (s)
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return strcpy (s, name ? name : "");
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return name;
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}
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int
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getuid ()
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{
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return 0;
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}
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int
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setuid (int uid)
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{
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return 0;
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}
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struct passwd *
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getpwuid (int uid)
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{
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return NULL;
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}
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char *
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getpass (const char * prompt)
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{
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static char input[256];
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HANDLE in;
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HANDLE err;
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DWORD count;
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in = GetStdHandle (STD_INPUT_HANDLE);
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err = GetStdHandle (STD_ERROR_HANDLE);
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if (in == INVALID_HANDLE_VALUE || err == INVALID_HANDLE_VALUE)
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return NULL;
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if (WriteFile (err, prompt, strlen (prompt), &count, NULL))
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{
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int istty = (GetFileType (in) == FILE_TYPE_CHAR);
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DWORD old_flags;
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int rc;
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if (istty)
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{
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if (GetConsoleMode (in, &old_flags))
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SetConsoleMode (in, ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT);
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else
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istty = 0;
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}
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rc = ReadFile (in, input, sizeof (input), &count, NULL);
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if (count >= 2 && input[count - 2] == '\r')
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input[count - 2] = '\0';
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else
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{
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char buf[256];
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while (ReadFile (in, buf, sizeof (buf), &count, NULL) > 0)
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if (count >= 2 && buf[count - 2] == '\r')
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break;
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}
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WriteFile (err, "\r\n", 2, &count, NULL);
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if (istty)
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SetConsoleMode (in, old_flags);
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if (rc)
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return input;
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}
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return NULL;
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}
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int
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fchown (int fd, int uid, int gid)
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{
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return 0;
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}
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/* Place a wrapper around the MSVC version of ctime. It returns NULL
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on network directories, so we handle that case here.
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(Ulrich Leodolter, 1/11/95). */
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char *
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sys_ctime (const time_t *t)
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{
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char *str = (char *) ctime (t);
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return (str ? str : "Sun Jan 01 00:00:00 1970");
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}
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FILE *
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sys_fopen(const char * path, const char * mode)
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{
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return fopen (path, mode);
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}
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int
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sys_chdir (const char * path)
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{
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return _chdir (path);
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}
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/* arch-tag: 7b63fb83-70ee-4124-8822-54e53e5d0773
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(do not change this comment) */
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