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95ed0025 RS |
1 | /* Utility and Unix shadow routines for GNU Emacs support programs on NT. |
2 | Copyright (C) 1994 Free Software Foundation, Inc. | |
3 | ||
3b7ad313 EN |
4 | This file is part of GNU Emacs. |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. | |
95ed0025 RS |
20 | |
21 | Geoff Voelker (voelker@cs.washington.edu) 10-8-94 | |
22 | */ | |
23 | ||
24 | #include <windows.h> | |
25 | #include <stdlib.h> | |
26 | #include <stdio.h> | |
14f29224 GV |
27 | #include <time.h> |
28 | #include <direct.h> | |
29 | ||
30 | #include "ntlib.h" | |
95ed0025 RS |
31 | |
32 | #define MAXPATHLEN _MAX_PATH | |
33 | ||
34 | /* Emulate sleep...we could have done this with a define, but that | |
35 | would necessitate including windows.h in the files that used it. | |
36 | This is much easier. */ | |
37 | void | |
14f29224 | 38 | sleep(int seconds) |
95ed0025 RS |
39 | { |
40 | Sleep (seconds * 1000); | |
41 | } | |
42 | ||
43 | /* Get the current working directory. */ | |
133319ab | 44 | char * |
95ed0025 RS |
45 | getwd (char *dir) |
46 | { | |
14f29224 GV |
47 | if (GetCurrentDirectory (MAXPATHLEN, dir) > 0) |
48 | return dir; | |
49 | return NULL; | |
95ed0025 RS |
50 | } |
51 | ||
52 | static HANDLE getppid_parent; | |
53 | static int getppid_ppid; | |
54 | ||
55 | int | |
56 | getppid(void) | |
57 | { | |
58 | char *ppid; | |
59 | DWORD result; | |
60 | ||
97e3c91b | 61 | ppid = getenv ("EM_PARENT_PROCESS_ID"); |
95ed0025 RS |
62 | if (!ppid) |
63 | { | |
64 | printf("no pid.\n"); | |
65 | return 0; | |
66 | } | |
67 | else | |
68 | { | |
69 | getppid_ppid = atoi (ppid); | |
70 | } | |
71 | ||
72 | if (!getppid_parent) | |
73 | { | |
74 | getppid_parent = OpenProcess (SYNCHRONIZE, FALSE, atoi(ppid)); | |
75 | if (!getppid_parent) | |
76 | { | |
77 | printf ("Failed to open handle to parent process: %d\n", | |
78 | GetLastError()); | |
79 | exit (1); | |
80 | } | |
81 | } | |
82 | ||
83 | result = WaitForSingleObject (getppid_parent, 0); | |
84 | switch (result) | |
85 | { | |
86 | case WAIT_TIMEOUT: | |
87 | /* The parent is still alive. */ | |
88 | return getppid_ppid; | |
89 | case WAIT_OBJECT_0: | |
90 | /* The parent is gone. Return the pid of Unix init (1). */ | |
91 | return 1; | |
92 | case WAIT_FAILED: | |
93 | default: | |
94 | printf ("Checking parent status failed: %d\n", GetLastError()); | |
95 | exit (1); | |
96 | } | |
97 | } | |
14f29224 GV |
98 | |
99 | char * | |
100 | getlogin () | |
101 | { | |
102 | static char user_name[256]; | |
103 | DWORD length = sizeof (user_name); | |
104 | ||
105 | if (GetUserName (user_name, &length)) | |
106 | return user_name; | |
107 | return NULL; | |
108 | } | |
109 | ||
110 | char * | |
111 | cuserid (char * s) | |
112 | { | |
113 | char * name = getlogin (); | |
114 | if (s) | |
115 | return strcpy (s, name ? name : ""); | |
116 | return name; | |
117 | } | |
118 | ||
119 | int | |
120 | getuid () | |
121 | { | |
122 | return 0; | |
123 | } | |
124 | ||
125 | int | |
126 | setuid (int uid) | |
127 | { | |
128 | return 0; | |
129 | } | |
130 | ||
131 | struct passwd * | |
132 | getpwuid (int uid) | |
133 | { | |
134 | return NULL; | |
135 | } | |
136 | ||
137 | char * | |
138 | getpass (const char * prompt) | |
139 | { | |
140 | static char input[256]; | |
141 | HANDLE in; | |
142 | HANDLE err; | |
143 | DWORD count; | |
144 | ||
145 | in = GetStdHandle (STD_INPUT_HANDLE); | |
146 | err = GetStdHandle (STD_ERROR_HANDLE); | |
147 | ||
148 | if (in == INVALID_HANDLE_VALUE || err == INVALID_HANDLE_VALUE) | |
149 | return NULL; | |
150 | ||
151 | if (WriteFile (err, prompt, strlen (prompt), &count, NULL)) | |
152 | { | |
153 | int istty = (GetFileType (in) == FILE_TYPE_CHAR); | |
154 | DWORD old_flags; | |
155 | int rc; | |
156 | ||
157 | if (istty) | |
158 | { | |
159 | if (GetConsoleMode (in, &old_flags)) | |
160 | SetConsoleMode (in, ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT); | |
161 | else | |
162 | istty = 0; | |
163 | } | |
164 | rc = ReadFile (in, input, sizeof (input), &count, NULL); | |
165 | if (count >= 2 && input[count - 2] == '\r') | |
166 | input[count - 2] = '\0'; | |
167 | else | |
168 | { | |
169 | char buf[256]; | |
170 | while (ReadFile (in, buf, sizeof (buf), &count, NULL) > 0) | |
171 | if (count >= 2 && buf[count - 2] == '\r') | |
172 | break; | |
173 | } | |
174 | WriteFile (err, "\r\n", 2, &count, NULL); | |
175 | if (istty) | |
176 | SetConsoleMode (in, old_flags); | |
177 | if (rc) | |
178 | return input; | |
179 | } | |
180 | ||
181 | return NULL; | |
182 | } | |
183 | ||
184 | int | |
185 | fchown (int fd, int uid, int gid) | |
186 | { | |
187 | return 0; | |
188 | } | |
189 | ||
190 | /* Place a wrapper around the MSVC version of ctime. It returns NULL | |
191 | on network directories, so we handle that case here. | |
192 | (Ulrich Leodolter, 1/11/95). */ | |
193 | char * | |
194 | sys_ctime (const time_t *t) | |
195 | { | |
196 | char *str = (char *) ctime (t); | |
197 | return (str ? str : "Sun Jan 01 00:00:00 1970"); | |
198 | } | |
199 | ||
200 | FILE * | |
201 | sys_fopen(const char * path, const char * mode) | |
202 | { | |
203 | return fopen (path, mode); | |
204 | } | |
205 | ||
206 | int | |
207 | sys_chdir (const char * path) | |
208 | { | |
209 | return _chdir (path); | |
210 | } |