mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-11 09:20:51 +00:00
215 lines
4.4 KiB
C
215 lines
4.4 KiB
C
/* Utility and Unix shadow routines for GNU Emacs support programs on NT.
|
|
Copyright (C) 1994, 2001, 2002, 2003, 2004, 2005,
|
|
2006, 2007 Free Software Foundation, Inc.
|
|
|
|
This file is part of GNU Emacs.
|
|
|
|
GNU Emacs is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3, or (at your option)
|
|
any later version.
|
|
|
|
GNU Emacs 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GNU Emacs; see the file COPYING. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
|
|
Geoff Voelker (voelker@cs.washington.edu) 10-8-94
|
|
*/
|
|
|
|
#include <windows.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
#include <direct.h>
|
|
|
|
#include "ntlib.h"
|
|
|
|
#define MAXPATHLEN _MAX_PATH
|
|
|
|
/* Emulate sleep...we could have done this with a define, but that
|
|
would necessitate including windows.h in the files that used it.
|
|
This is much easier. */
|
|
void
|
|
sleep(unsigned long seconds)
|
|
{
|
|
Sleep (seconds * 1000);
|
|
}
|
|
|
|
/* Get the current working directory. */
|
|
char *
|
|
getwd (char *dir)
|
|
{
|
|
if (GetCurrentDirectory (MAXPATHLEN, dir) > 0)
|
|
return dir;
|
|
return NULL;
|
|
}
|
|
|
|
static HANDLE getppid_parent;
|
|
static int getppid_ppid;
|
|
|
|
int
|
|
getppid(void)
|
|
{
|
|
char *ppid;
|
|
DWORD result;
|
|
|
|
ppid = getenv ("EM_PARENT_PROCESS_ID");
|
|
if (!ppid)
|
|
{
|
|
printf("no pid.\n");
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
getppid_ppid = atoi (ppid);
|
|
}
|
|
|
|
if (!getppid_parent)
|
|
{
|
|
getppid_parent = OpenProcess (SYNCHRONIZE, FALSE, atoi(ppid));
|
|
if (!getppid_parent)
|
|
{
|
|
printf ("Failed to open handle to parent process: %d\n",
|
|
GetLastError());
|
|
exit (1);
|
|
}
|
|
}
|
|
|
|
result = WaitForSingleObject (getppid_parent, 0);
|
|
switch (result)
|
|
{
|
|
case WAIT_TIMEOUT:
|
|
/* The parent is still alive. */
|
|
return getppid_ppid;
|
|
case WAIT_OBJECT_0:
|
|
/* The parent is gone. Return the pid of Unix init (1). */
|
|
return 1;
|
|
case WAIT_FAILED:
|
|
default:
|
|
printf ("Checking parent status failed: %d\n", GetLastError());
|
|
exit (1);
|
|
}
|
|
}
|
|
|
|
char *
|
|
getlogin ()
|
|
{
|
|
static char user_name[256];
|
|
DWORD length = sizeof (user_name);
|
|
|
|
if (GetUserName (user_name, &length))
|
|
return user_name;
|
|
return NULL;
|
|
}
|
|
|
|
char *
|
|
cuserid (char * s)
|
|
{
|
|
char * name = getlogin ();
|
|
if (s)
|
|
return strcpy (s, name ? name : "");
|
|
return name;
|
|
}
|
|
|
|
int
|
|
getuid ()
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
setuid (int uid)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
struct passwd *
|
|
getpwuid (int uid)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
char *
|
|
getpass (const char * prompt)
|
|
{
|
|
static char input[256];
|
|
HANDLE in;
|
|
HANDLE err;
|
|
DWORD count;
|
|
|
|
in = GetStdHandle (STD_INPUT_HANDLE);
|
|
err = GetStdHandle (STD_ERROR_HANDLE);
|
|
|
|
if (in == INVALID_HANDLE_VALUE || err == INVALID_HANDLE_VALUE)
|
|
return NULL;
|
|
|
|
if (WriteFile (err, prompt, strlen (prompt), &count, NULL))
|
|
{
|
|
int istty = (GetFileType (in) == FILE_TYPE_CHAR);
|
|
DWORD old_flags;
|
|
int rc;
|
|
|
|
if (istty)
|
|
{
|
|
if (GetConsoleMode (in, &old_flags))
|
|
SetConsoleMode (in, ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT);
|
|
else
|
|
istty = 0;
|
|
}
|
|
rc = ReadFile (in, input, sizeof (input), &count, NULL);
|
|
if (count >= 2 && input[count - 2] == '\r')
|
|
input[count - 2] = '\0';
|
|
else
|
|
{
|
|
char buf[256];
|
|
while (ReadFile (in, buf, sizeof (buf), &count, NULL) > 0)
|
|
if (count >= 2 && buf[count - 2] == '\r')
|
|
break;
|
|
}
|
|
WriteFile (err, "\r\n", 2, &count, NULL);
|
|
if (istty)
|
|
SetConsoleMode (in, old_flags);
|
|
if (rc)
|
|
return input;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int
|
|
fchown (int fd, int uid, int gid)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/* Place a wrapper around the MSVC version of ctime. It returns NULL
|
|
on network directories, so we handle that case here.
|
|
(Ulrich Leodolter, 1/11/95). */
|
|
char *
|
|
sys_ctime (const time_t *t)
|
|
{
|
|
char *str = (char *) ctime (t);
|
|
return (str ? str : "Sun Jan 01 00:00:00 1970");
|
|
}
|
|
|
|
FILE *
|
|
sys_fopen(const char * path, const char * mode)
|
|
{
|
|
return fopen (path, mode);
|
|
}
|
|
|
|
int
|
|
sys_chdir (const char * path)
|
|
{
|
|
return _chdir (path);
|
|
}
|
|
|
|
/* arch-tag: 7b63fb83-70ee-4124-8822-54e53e5d0773
|
|
(do not change this comment) */
|