Commit | Line | Data |
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95ed0025 | 1 | /* Utility and Unix shadow routines for GNU Emacs support programs on NT. |
b3d90e46 | 2 | Copyright (C) 1994, 2001, 2002, 2003, 2004, 2005, |
a5b68355 | 3 | 2006, 2007, 2008 Free Software Foundation, Inc. |
95ed0025 | 4 | |
3b7ad313 EN |
5 | This file is part of GNU Emacs. |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4a9f99bd | 9 | the Free Software Foundation; either version 3, or (at your option) |
3b7ad313 EN |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
364c38d3 LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, USA. | |
95ed0025 RS |
21 | |
22 | Geoff Voelker (voelker@cs.washington.edu) 10-8-94 | |
23 | */ | |
24 | ||
25 | #include <windows.h> | |
26 | #include <stdlib.h> | |
27 | #include <stdio.h> | |
14f29224 GV |
28 | #include <time.h> |
29 | #include <direct.h> | |
30 | ||
31 | #include "ntlib.h" | |
95ed0025 RS |
32 | |
33 | #define MAXPATHLEN _MAX_PATH | |
34 | ||
35 | /* Emulate sleep...we could have done this with a define, but that | |
36 | would necessitate including windows.h in the files that used it. | |
37 | This is much easier. */ | |
38 | void | |
c09c2c99 | 39 | sleep(unsigned long seconds) |
95ed0025 RS |
40 | { |
41 | Sleep (seconds * 1000); | |
42 | } | |
43 | ||
44 | /* Get the current working directory. */ | |
133319ab | 45 | char * |
95ed0025 RS |
46 | getwd (char *dir) |
47 | { | |
14f29224 GV |
48 | if (GetCurrentDirectory (MAXPATHLEN, dir) > 0) |
49 | return dir; | |
50 | return NULL; | |
95ed0025 RS |
51 | } |
52 | ||
53 | static HANDLE getppid_parent; | |
54 | static int getppid_ppid; | |
55 | ||
56 | int | |
57 | getppid(void) | |
58 | { | |
59 | char *ppid; | |
60 | DWORD result; | |
61 | ||
97e3c91b | 62 | ppid = getenv ("EM_PARENT_PROCESS_ID"); |
177c0ea7 | 63 | if (!ppid) |
95ed0025 RS |
64 | { |
65 | printf("no pid.\n"); | |
66 | return 0; | |
177c0ea7 JB |
67 | } |
68 | else | |
95ed0025 RS |
69 | { |
70 | getppid_ppid = atoi (ppid); | |
71 | } | |
72 | ||
177c0ea7 | 73 | if (!getppid_parent) |
95ed0025 RS |
74 | { |
75 | getppid_parent = OpenProcess (SYNCHRONIZE, FALSE, atoi(ppid)); | |
177c0ea7 | 76 | if (!getppid_parent) |
95ed0025 RS |
77 | { |
78 | printf ("Failed to open handle to parent process: %d\n", | |
79 | GetLastError()); | |
80 | exit (1); | |
81 | } | |
82 | } | |
83 | ||
84 | result = WaitForSingleObject (getppid_parent, 0); | |
177c0ea7 | 85 | switch (result) |
95ed0025 RS |
86 | { |
87 | case WAIT_TIMEOUT: | |
88 | /* The parent is still alive. */ | |
89 | return getppid_ppid; | |
90 | case WAIT_OBJECT_0: | |
91 | /* The parent is gone. Return the pid of Unix init (1). */ | |
92 | return 1; | |
93 | case WAIT_FAILED: | |
94 | default: | |
95 | printf ("Checking parent status failed: %d\n", GetLastError()); | |
96 | exit (1); | |
97 | } | |
98 | } | |
14f29224 GV |
99 | |
100 | char * | |
101 | getlogin () | |
102 | { | |
103 | static char user_name[256]; | |
104 | DWORD length = sizeof (user_name); | |
105 | ||
106 | if (GetUserName (user_name, &length)) | |
107 | return user_name; | |
108 | return NULL; | |
109 | } | |
110 | ||
111 | char * | |
112 | cuserid (char * s) | |
113 | { | |
114 | char * name = getlogin (); | |
115 | if (s) | |
116 | return strcpy (s, name ? name : ""); | |
117 | return name; | |
118 | } | |
119 | ||
120 | int | |
121 | getuid () | |
122 | { | |
123 | return 0; | |
124 | } | |
125 | ||
126 | int | |
127 | setuid (int uid) | |
128 | { | |
129 | return 0; | |
130 | } | |
131 | ||
132 | struct passwd * | |
133 | getpwuid (int uid) | |
134 | { | |
135 | return NULL; | |
136 | } | |
137 | ||
138 | char * | |
139 | getpass (const char * prompt) | |
140 | { | |
141 | static char input[256]; | |
142 | HANDLE in; | |
143 | HANDLE err; | |
144 | DWORD count; | |
145 | ||
146 | in = GetStdHandle (STD_INPUT_HANDLE); | |
147 | err = GetStdHandle (STD_ERROR_HANDLE); | |
148 | ||
149 | if (in == INVALID_HANDLE_VALUE || err == INVALID_HANDLE_VALUE) | |
150 | return NULL; | |
151 | ||
152 | if (WriteFile (err, prompt, strlen (prompt), &count, NULL)) | |
153 | { | |
154 | int istty = (GetFileType (in) == FILE_TYPE_CHAR); | |
155 | DWORD old_flags; | |
156 | int rc; | |
157 | ||
158 | if (istty) | |
159 | { | |
160 | if (GetConsoleMode (in, &old_flags)) | |
161 | SetConsoleMode (in, ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT); | |
162 | else | |
163 | istty = 0; | |
164 | } | |
165 | rc = ReadFile (in, input, sizeof (input), &count, NULL); | |
166 | if (count >= 2 && input[count - 2] == '\r') | |
167 | input[count - 2] = '\0'; | |
168 | else | |
169 | { | |
170 | char buf[256]; | |
171 | while (ReadFile (in, buf, sizeof (buf), &count, NULL) > 0) | |
172 | if (count >= 2 && buf[count - 2] == '\r') | |
173 | break; | |
174 | } | |
175 | WriteFile (err, "\r\n", 2, &count, NULL); | |
176 | if (istty) | |
177 | SetConsoleMode (in, old_flags); | |
178 | if (rc) | |
179 | return input; | |
180 | } | |
181 | ||
182 | return NULL; | |
183 | } | |
184 | ||
185 | int | |
186 | fchown (int fd, int uid, int gid) | |
187 | { | |
188 | return 0; | |
189 | } | |
190 | ||
191 | /* Place a wrapper around the MSVC version of ctime. It returns NULL | |
177c0ea7 | 192 | on network directories, so we handle that case here. |
14f29224 GV |
193 | (Ulrich Leodolter, 1/11/95). */ |
194 | char * | |
195 | sys_ctime (const time_t *t) | |
196 | { | |
197 | char *str = (char *) ctime (t); | |
198 | return (str ? str : "Sun Jan 01 00:00:00 1970"); | |
199 | } | |
200 | ||
201 | FILE * | |
202 | sys_fopen(const char * path, const char * mode) | |
203 | { | |
204 | return fopen (path, mode); | |
205 | } | |
206 | ||
207 | int | |
208 | sys_chdir (const char * path) | |
209 | { | |
210 | return _chdir (path); | |
211 | } | |
ab5796a9 MB |
212 | |
213 | /* arch-tag: 7b63fb83-70ee-4124-8822-54e53e5d0773 | |
214 | (do not change this comment) */ |