eliminate use of inefficient match-data

[bpt/emacs.git] / lib-src / ntlib.c

diff --git a/lib-src/ntlib.c b/lib-src/ntlib.c
index 1e1fc86..261a6b4 100644 (file)
--- a/lib-src/ntlib.c
+++ b/lib-src/ntlib.c
@@ -1,21 +1,22 @@
 /* Utility and Unix shadow routines for GNU Emacs support programs on NT.
    Copyright (C) 1994 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 2, 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; see the file COPYING.  If not, write to the Free Software
-   Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+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.
 
    Geoff Voelker (voelker@cs.washington.edu)                         10-8-94
 */
@@ -23,6 +24,10 @@
 #include <windows.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <time.h>
+#include <direct.h>
+
+#include "ntlib.h"
 
 #define MAXPATHLEN _MAX_PATH
 
@@ -30,16 +35,18 @@
    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;
@@ -51,21 +58,21 @@ getppid(void)
   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());
@@ -74,7 +81,7 @@ getppid(void)
     }
 
   result = WaitForSingleObject (getppid_parent, 0);
-  switch (result) 
+  switch (result)
     {
     case WAIT_TIMEOUT:
       /* The parent is still alive.  */
@@ -88,3 +95,119 @@ getppid(void)
       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) */