/* 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.
-GNU Emacs is free software; you can redistribute it and/or modify
+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.
+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
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., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
+
Geoff Voelker (voelker@cs.washington.edu) 10-8-94
*/
#include <stdio.h>
#include <time.h>
#include <direct.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
#include "ntlib.h"
would necessitate including windows.h in the files that used it.
This is much easier. */
void
-sleep(int seconds)
+sleep(unsigned long seconds)
{
Sleep (seconds * 1000);
}
DWORD result;
ppid = getenv ("EM_PARENT_PROCESS_ID");
- if (!ppid)
+ 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. */
}
/* Place a wrapper around the MSVC version of ctime. It returns NULL
- on network directories, so we handle that case here.
+ on network directories, so we handle that case here.
(Ulrich Leodolter, 1/11/95). */
char *
sys_ctime (const time_t *t)
{
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) */
HCoop / bpt / emacs.git / blobdiff