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comparison rogue3/mdport.c @ 0:527e2150eaf0

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Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
author edwarj4
date Tue, 13 Oct 2009 13:33:34 +0000
parents
children 9a2c0c60c386
comparison
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-1:000000000000 0:527e2150eaf0
1 /*
2 mdport.c - Machine Dependent Code for Porting Unix/Curses games
3
4 Copyright (C) 2005 Nicholas J. Kisseberth
5 All rights reserved.
6
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions
9 are met:
10 1. Redistributions of source code must retain the above copyright
11 notice, this list of conditions and the following disclaimer.
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
15 3. Neither the name(s) of the author(s) nor the names of other contributors
16 may be used to endorse or promote products derived from this software
17 without specific prior written permission.
18
19 THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTORS ``AS IS'' AND
20 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTORS BE LIABLE
23 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 SUCH DAMAGE.
30 */
31
32 #include <stdlib.h>
33 #include <string.h>
34
35 #if defined(_WIN32)
36 #include <Windows.h>
37 #include <io.h>
38 #include <sys/locking.h>
39 #include <Lmcons.h>
40 #include <conio.h>
41 #pragma warning( disable: 4201 )
42 #include <shlobj.h>
43 #pragma warning( default: 4201 )
44 #include <Shlwapi.h>
45 #undef MOUSE_MOVED
46 #endif
47
48 #include <curses.h>
49
50 #include "mdport.h"
51
52 #if defined(HAVE_SYS_TYPES)
53 #include <sys/types.h>
54 #endif
55
56 #if defined(HAVE_PROCESS_H)
57 #include <process.h>
58 #endif
59
60 #if defined(HAVE_PWD_H)
61 #include <pwd.h>
62 #endif
63
64 #if defined(HAVE_SYS_UTSNAME)
65 #include <sys/utsname.h>
66 #endif
67
68 #if defined(HAVE_ARPA_INET_H)
69 #include <arpa/inet.h> /* Solaris 2.8 required this for htonl() and ntohl() */
70 #endif
71
72 #if defined(HAVE_TERMIOS_H)
73 #include <termios.h>
74 #endif
75
76 #if defined(HAVE_UNISTD_H)
77 #ifndef __USE_GNU
78 #define __USE_GNU
79 #include <unistd.h>
80 #undef __USE_GNU
81 #else
82 #include <unistd.h>
83 #endif
84 #endif
85
86 #if defined(HAVE_TERM_H)
87 #include <term.h>
88 #elif defined(HAVE_NCURSES_TERM_H)
89 #include <ncurses/term.h>
90 #endif
91
92 #if defined(HAVE_WORKING_FORK)
93 #include <sys/wait.h>
94 #endif
95
96 #ifdef HAVE_UTMPX_H
97 #include <utmpx.h>
98 #endif
99
100 #ifdef HAVE_ERRNO_H
101 #include <errno.h>
102 #endif
103
104 #include <ctype.h>
105 #include <fcntl.h>
106 #include <limits.h>
107 #include <sys/stat.h>
108 #include <signal.h>
109
110 #define NOOP(x) (x += 0)
111
112 static int pass_ctrl_keypad = 1;
113
114 void
115 md_init(int options)
116 {
117 #if defined(__INTERIX)
118 char *term;
119
120 term = getenv("TERM");
121
122 if (term == NULL)
123 setenv("TERM","interix");
124 #elif defined(__DJGPP__)
125 _fmode = _O_BINARY;
126 #elif defined(_WIN32)
127 _fmode = _O_BINARY;
128 #endif
129
130 #if defined(HAVE_ESCDELAY) || defined(NCURSES_VERSION)
131 ESCDELAY=64;
132 #endif
133
134 #if defined(DUMP)
135 md_onsignal_default();
136 #else
137 md_onsignal_exit();
138 #endif
139
140 if (options & MD_STRIP_CTRL_KEYPAD)
141 pass_ctrl_keypad = 0;
142 else
143 pass_ctrl_keypad = 1;
144 }
145
146 void
147 md_onsignal_default(void)
148 {
149 #ifdef SIGHUP
150 signal(SIGHUP, SIG_DFL);
151 #endif
152 #ifdef SIGQUIT
153 signal(SIGQUIT, SIG_DFL);
154 #endif
155 #ifdef SIGILL
156 signal(SIGILL, SIG_DFL);
157 #endif
158 #ifdef SIGTRAP
159 signal(SIGTRAP, SIG_DFL);
160 #endif
161 #ifdef SIGIOT
162 signal(SIGIOT, SIG_DFL);
163 #endif
164 #ifdef SIGEMT
165 signal(SIGEMT, SIG_DFL);
166 #endif
167 #ifdef SIGFPE
168 signal(SIGFPE, SIG_DFL);
169 #endif
170 #ifdef SIGBUS
171 signal(SIGBUS, SIG_DFL);
172 #endif
173 #ifdef SIGSEGV
174 signal(SIGSEGV, SIG_DFL);
175 #endif
176 #ifdef SIGSYS
177 signal(SIGSYS, SIG_DFL);
178 #endif
179 #ifdef SIGTERM
180 signal(SIGTERM, SIG_DFL);
181 #endif
182 }
183
184 void
185 md_onsignal_exit(void)
186 {
187 #ifdef SIGHUP
188 signal(SIGHUP, SIG_DFL);
189 #endif
190 #ifdef SIGQUIT
191 signal(SIGQUIT, exit);
192 #endif
193 #ifdef SIGILL
194 signal(SIGILL, exit);
195 #endif
196 #ifdef SIGTRAP
197 signal(SIGTRAP, exit);
198 #endif
199 #ifdef SIGIOT
200 signal(SIGIOT, exit);
201 #endif
202 #ifdef SIGEMT
203 signal(SIGEMT, exit);
204 #endif
205 #ifdef SIGFPE
206 signal(SIGFPE, exit);
207 #endif
208 #ifdef SIGBUS
209 signal(SIGBUS, exit);
210 #endif
211 #ifdef SIGSEGV
212 signal(SIGSEGV, exit);
213 #endif
214 #ifdef SIGSYS
215 signal(SIGSYS, exit);
216 #endif
217 #ifdef SIGTERM
218 signal(SIGTERM, exit);
219 #endif
220 }
221
222 extern void auto_save(int sig);
223 extern void endit(int sig);
224 extern void quit(int sig);
225
226 void
227 md_onsignal_autosave(void)
228 {
229
230 #ifdef SIGHUP
231 signal(SIGHUP, auto_save);
232 #endif
233 #ifdef SIGQUIT
234 signal(SIGQUIT, endit);
235 #endif
236 #ifdef SIGILL
237 signal(SIGILL, auto_save);
238 #endif
239 #ifdef SIGTRAP
240 signal(SIGTRAP, auto_save);
241 #endif
242 #ifdef SIGIOT
243 signal(SIGIOT, auto_save);
244 #endif
245 #ifdef SIGEMT
246 signal(SIGEMT, auto_save);
247 #endif
248 #ifdef SIGFPE
249 signal(SIGFPE, auto_save);
250 #endif
251 #ifdef SIGBUS
252 signal(SIGBUS, auto_save);
253 #endif
254 #ifdef SIGSEGV
255 signal(SIGSEGV, auto_save);
256 #endif
257 #ifdef SIGSYS
258 signal(SIGSYS, auto_save);
259 #endif
260 #ifdef SIGTERM
261 signal(SIGTERM, auto_save);
262 #endif
263 #ifdef SIGINT
264 signal(SIGINT, quit);
265 #endif
266 }
267
268 int
269 md_hasclreol(void)
270 {
271 #if defined(clr_eol)
272 #ifdef NCURSES_VERSION
273 if (cur_term == NULL)
274 return(0);
275 if (cur_term->type.Strings == NULL)
276 return(0);
277 #endif
278 return((clr_eol != NULL) && (*clr_eol != 0));
279 #elif defined(__PDCURSES__)
280 return(TRUE);
281 #else
282 return((CE != NULL) && (*CE != 0));
283 #endif
284 }
285
286 void
287 md_putchar(int c)
288 {
289 putchar(c);
290 }
291
292 #ifdef _WIN32
293 static int md_standout_mode = 0;
294 #endif
295
296 void
297 md_raw_standout(void)
298 {
299 #ifdef _WIN32
300 CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
301 HANDLE hStdout;
302 WORD fgattr,bgattr;
303
304 if (md_standout_mode == 0)
305 {
306 hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
307 GetConsoleScreenBufferInfo(hStdout, &csbiInfo);
308 fgattr = (csbiInfo.wAttributes & 0xF);
309 bgattr = (csbiInfo.wAttributes & 0xF0);
310 SetConsoleTextAttribute(hStdout,(fgattr << 4) | (bgattr >> 4));
311 md_standout_mode = 1;
312 }
313 #elif defined(SO)
314 tputs(SO,0,md_putchar);
315 fflush(stdout);
316 #endif
317 }
318
319 void
320 md_raw_standend(void)
321 {
322 #ifdef _WIN32
323 CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
324 HANDLE hStdout;
325 WORD fgattr,bgattr;
326
327 if (md_standout_mode == 1)
328 {
329 hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
330 GetConsoleScreenBufferInfo(hStdout, &csbiInfo);
331 fgattr = (csbiInfo.wAttributes & 0xF);
332 bgattr = (csbiInfo.wAttributes & 0xF0);
333 SetConsoleTextAttribute(hStdout,(fgattr << 4) | (bgattr >> 4));
334 md_standout_mode = 0;
335 }
336 #elif defined(SE)
337 tputs(SE,0,md_putchar);
338 fflush(stdout);
339 #endif
340 }
341
342 int
343 md_unlink_open_file(const char *file, FILE *inf)
344 {
345 #ifdef _WIN32
346 fclose(inf);
347 (void) _chmod(file, 0600);
348 return( _unlink(file) );
349 #else
350 return(unlink(file));
351 #endif
352 }
353
354 int
355 md_unlink(char *file)
356 {
357 #ifdef _WIN32
358 (void) _chmod(file, 0600);
359 return( _unlink(file) );
360 #else
361 return(unlink(file));
362 #endif
363 }
364
365 int
366 md_chmod(const char *filename, int mode)
367 {
368 #ifdef _WIN32
369 return( _chmod(filename, mode) );
370 #else
371 return( chmod(filename, mode) );
372 #endif
373 }
374
375 void
376 md_normaluser(void)
377 {
378 #if defined(HAVE_GETGID) && defined(HAVE_GETUID)
379 gid_t realgid = getgid();
380 uid_t realuid = getuid();
381
382 #if defined(HAVE_SETRESGID)
383 if (setresgid(-1, realgid, realgid) != 0) {
384 #elif defined (HAVE_SETREGID)
385 if (setregid(realgid, realgid) != 0) {
386 #elif defined (HAVE_SETGID)
387 if (setgid(realgid) != 0) {
388 #else