/* Utility and Unix shadow routines for GNU Emacs support programs on NT.
- Copyright (C) 1994 Free Software Foundation, Inc.
+ Copyright (C) 1994, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+ 2008, 2009 Free Software Foundation, Inc.
- This file is part of GNU Emacs.
+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 2, or (at your option) any later
- version.
+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 of the License, 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.
+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. If not, see <http://www.gnu.org/licenses/>.
- 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, 675 Mass Ave, Cambridge, MA 02139, 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 <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+#include "ntlib.h"
#define MAXPATHLEN _MAX_PATH
would necessitate including windows.h in the files that used it.
This is much easier. */
void
-nt_sleep(int seconds)
+sleep(unsigned long seconds)
{
Sleep (seconds * 1000);
}
/* Get the current working directory. */
-int
+char *
getwd (char *dir)
{
- return GetCurrentDirectory (MAXPATHLEN, dir);
+ if (GetCurrentDirectory (MAXPATHLEN, dir) > 0)
+ return dir;
+ return NULL;
}
static HANDLE getppid_parent;
char *ppid;
DWORD result;
- ppid = getenv ("__PARENT_PROCESS_ID");
- if (!ppid)
+ ppid = getenv ("EM_PARENT_PROCESS_ID");
+ if (!ppid)
{
printf("no pid.\n");
return 0;
- }
- else
+ }
+ else
{
getppid_ppid = atoi (ppid);
}
- if (!getppid_parent)
+ if (!getppid_parent)
{
getppid_parent = OpenProcess (SYNCHRONIZE, FALSE, atoi(ppid));
- if (!getppid_parent)
+ if (!getppid_parent)
{
printf ("Failed to open handle to parent process: %d\n",
GetLastError());
}
result = WaitForSingleObject (getppid_parent, 0);
- switch (result)
+ switch (result)
{
case WAIT_TIMEOUT:
/* The parent is still alive. */
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);
+}
+
+static FILETIME utc_base_ft;
+static long double utc_base;
+static int init = 0;
+
+static time_t
+convert_time (FILETIME ft)
+{
+ long double ret;
+
+ if (CompareFileTime (&ft, &utc_base_ft) < 0)
+ return 0;
+
+ ret = (long double) ft.dwHighDateTime
+ * 4096.0L * 1024.0L * 1024.0L + ft.dwLowDateTime;
+ ret -= utc_base;
+ return (time_t) (ret * 1e-7L);
+}
+
+static int
+is_exec (const char * name)
+{
+ char * p = strrchr (name, '.');
+ return
+ (p != NULL
+ && (stricmp (p, ".exe") == 0 ||
+ stricmp (p, ".com") == 0 ||
+ stricmp (p, ".bat") == 0 ||
+ stricmp (p, ".cmd") == 0));
+}
+
+#define IS_DIRECTORY_SEP(x) ((x) == '/' || (x) == '\\')
+
+/* We need this because nt/inc/sys/stat.h defines struct stat that is
+ incompatible with the MS run-time libraries. */
+int
+stat (const char * path, struct stat * buf)
+{
+ WIN32_FIND_DATA wfd;
+ HANDLE fh;
+ int permission;
+ int len;
+ int rootdir = FALSE;
+ char *name = alloca (FILENAME_MAX);
+
+ if (!init)
+ {
+ /* Determine the delta between 1-Jan-1601 and 1-Jan-1970. */
+ SYSTEMTIME st;
+
+ st.wYear = 1970;
+ st.wMonth = 1;
+ st.wDay = 1;
+ st.wHour = 0;
+ st.wMinute = 0;
+ st.wSecond = 0;
+ st.wMilliseconds = 0;
+
+ SystemTimeToFileTime (&st, &utc_base_ft);
+ utc_base = (long double) utc_base_ft.dwHighDateTime
+ * 4096.0L * 1024.0L * 1024.0L + utc_base_ft.dwLowDateTime;
+ init = 1;
+ }
+
+ if (path == NULL || buf == NULL || *path == '\0')
+ {
+ errno = EFAULT;
+ return -1;
+ }
+ if (_mbspbrk (path, "*?|<>\""))
+ {
+ errno = ENOENT;
+ return -1;
+ }
+
+ strcpy (name, path);
+ /* Remove trailing directory separator, unless name is the root
+ directory of a drive in which case ensure there is a trailing
+ separator. */
+ len = strlen (name);
+ rootdir = IS_DIRECTORY_SEP (name[0])
+ || (len == 3 && name[1] == ':' && IS_DIRECTORY_SEP (name[2]));
+ if (rootdir)
+ {
+ if (GetDriveType (name) < 2)
+ {
+ errno = ENOENT;
+ return -1;
+ }
+ memset (&wfd, 0, sizeof (wfd));
+ wfd.dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;
+ wfd.ftCreationTime = utc_base_ft;
+ wfd.ftLastAccessTime = utc_base_ft;
+ wfd.ftLastWriteTime = utc_base_ft;
+ strcpy (wfd.cFileName, name);
+ }
+ else
+ {
+ if (IS_DIRECTORY_SEP (name[len-1]))
+ name[len - 1] = 0;
+
+ fh = FindFirstFile (name, &wfd);
+ if (fh == INVALID_HANDLE_VALUE)
+ {
+ errno = ENOENT;
+ return -1;
+ }
+ FindClose (fh);
+ }
+ buf->st_mode = (wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ?
+ S_IFDIR : S_IFREG;
+ buf->st_nlink = 1;
+ buf->st_ino = 0;
+
+ if (name[0] && name[1] == ':')
+ buf->st_dev = tolower (name[0]) - 'a' + 1;
+ else
+ buf->st_dev = _getdrive ();
+ buf->st_rdev = buf->st_dev;
+
+ buf->st_size = wfd.nFileSizeLow;
+
+ /* Convert timestamps to Unix format. */
+ buf->st_mtime = convert_time (wfd.ftLastWriteTime);
+ buf->st_atime = convert_time (wfd.ftLastAccessTime);
+ if (buf->st_atime == 0) buf->st_atime = buf->st_mtime;
+ buf->st_ctime = convert_time (wfd.ftCreationTime);
+ if (buf->st_ctime == 0) buf->st_ctime = buf->st_mtime;
+
+ /* determine rwx permissions */
+ if (wfd.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
+ permission = S_IREAD;
+ else
+ permission = S_IREAD | S_IWRITE;
+
+ if (wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+ permission |= S_IEXEC;
+ else if (is_exec (name))
+ permission |= S_IEXEC;
+
+ buf->st_mode |= permission | (permission >> 3) | (permission >> 6);
+
+ return 0;
+}
+
+/* arch-tag: 7b63fb83-70ee-4124-8822-54e53e5d0773
+ (do not change this comment) */