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unix.cpp
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1 /* $Id: unix.cpp 27643 2016-09-04 12:54:30Z alberth $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * OpenTTD 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, version 2.
6 * OpenTTD 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.
7 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
8 */
9
12 #include "../../stdafx.h"
13 #include "../../textbuf_gui.h"
14 #include "../../openttd.h"
15 #include "../../crashlog.h"
16 #include "../../core/random_func.hpp"
17 #include "../../debug.h"
18 #include "../../string_func.h"
19 #include "../../fios.h"
20
21
22 #include <dirent.h>
23 #include <unistd.h>
24 #include <sys/stat.h>
25 #include <time.h>
26 #include <signal.h>
27
28 #ifdef __APPLE__
29 #include <sys/mount.h>
30 #elif (defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L) || defined(__GLIBC__)
31 #define HAS_STATVFS
32 #endif
33
34 #if defined(OPENBSD) || defined(__NetBSD__) || defined(__FreeBSD__)
35 #define HAS_SYSCTL
36 #endif
37
38 #ifdef HAS_STATVFS
39 #include <sys/statvfs.h>
40 #endif
41
42 #ifdef HAS_SYSCTL
43 #include <sys/sysctl.h>
44 #endif
45
46
47 #ifdef __MORPHOS__
48 #include <exec/types.h>
49 ULONG __stack = (1024*1024)*2; // maybe not that much is needed actually ;)
50
51 /* The system supplied definition of SIG_IGN does not match */
52 #undef SIG_IGN
53 #define SIG_IGN (void (*)(int))1
54 #endif /* __MORPHOS__ */
55
56 #ifdef __AMIGA__
57 #warning add stack symbol to avoid that user needs to set stack manually (tokai)
58 // ULONG __stack =
59 #endif
60
61 #if defined(__APPLE__)
62 #if defined(WITH_SDL)
63 /* the mac implementation needs this file included in the same file as main() */
64 #include <SDL.h>
65 #endif
66 #endif
67
68 #include "../../safeguards.h"
69
70 bool FiosIsRoot(const char *path)
71 {
72 #if !defined(__MORPHOS__) && !defined(__AMIGAOS__)
73 return path[1] == '\0';
74 #else
75 /* On MorphOS or AmigaOS paths look like: "Volume:directory/subdirectory" */
76 const char *s = strchr(path, ':');
77 return s != NULL && s[1] == '\0';
78 #endif
79 }
80
81 void FiosGetDrives(FileList &file_list)
82 {
83 return;
84 }
85
86 bool FiosGetDiskFreeSpace(const char *path, uint64 *tot)
87 {
88 uint64 free = 0;
89
90 #ifdef __APPLE__
91 struct statfs s;
92
93 if (statfs(path, &s) != 0) return false;
94 free = (uint64)s.f_bsize * s.f_bavail;
95 #elif defined(HAS_STATVFS)
96 struct statvfs s;
97
98 if (statvfs(path, &s) != 0) return false;
99 free = (uint64)s.f_frsize * s.f_bavail;
100 #endif
101 if (tot != NULL) *tot = free;
102 return true;
103 }
104
105 bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb)
106 {
107 char filename[MAX_PATH];
108 int res;
109 #if defined(__MORPHOS__) || defined(__AMIGAOS__)
110 /* On MorphOS or AmigaOS paths look like: "Volume:directory/subdirectory" */
111 if (FiosIsRoot(path)) {
112 res = seprintf(filename, lastof(filename), "%s:%s", path, ent->d_name);
113 } else // XXX - only next line!
114 #else
115 assert(path[strlen(path) - 1] == PATHSEPCHAR);
116 if (strlen(path) > 2) assert(path[strlen(path) - 2] != PATHSEPCHAR);
117 #endif
118 res = seprintf(filename, lastof(filename), "%s%s", path, ent->d_name);
119
120 /* Could we fully concatenate the path and filename? */
121 if (res >= (int)lengthof(filename) || res < 0) return false;
122
123 return stat(filename, sb) == 0;
124 }
125
126 bool FiosIsHiddenFile(const struct dirent *ent)
127 {
128 return ent->d_name[0] == '.';
129 }
130
131 #ifdef WITH_ICONV
132
133 #include <iconv.h>
134 #include <errno.h>
135 #include "../../debug.h"
136 #include "../../string_func.h"
137
138 const char *GetCurrentLocale(const char *param);
139
140 #define INTERNALCODE "UTF-8"
141
147 static const char *GetLocalCode()
148 {
149 #if defined(__APPLE__)
150 return "UTF-8-MAC";
151 #else
152 /* Strip locale (eg en_US.UTF-8) to only have UTF-8 */
153 const char *locale = GetCurrentLocale("LC_CTYPE");
154 if (locale != NULL) locale = strchr(locale, '.');
155
156 return (locale == NULL) ? "" : locale + 1;
157 #endif
158 }
159
164 static const char *convert_tofrom_fs(iconv_t convd, const char *name)
165 {
166 static char buf[1024];
167 /* There are different implementations of iconv. The older ones,
168 * e.g. SUSv2, pass a const pointer, whereas the newer ones, e.g.
169 * IEEE 1003.1 (2004), pass a non-const pointer. */
170 #ifdef HAVE_NON_CONST_ICONV
171 char *inbuf = const_cast<char*>(name);
172 #else
173 const char *inbuf = name;
174 #endif
175
176 char *outbuf = buf;
177 size_t outlen = sizeof(buf) - 1;
178 size_t inlen = strlen(name);
179
180 strecpy(outbuf, name, outbuf + outlen);
181
182 iconv(convd, NULL, NULL, NULL, NULL);
183 if (iconv(convd, &inbuf, &inlen, &outbuf, &outlen) == (size_t)(-1)) {
184 DEBUG(misc, 0, "[iconv] error converting '%s'. Errno %d", name, errno);
185 }
186
187 *outbuf = '\0';
188 /* FIX: invalid characters will abort conversion, but they shouldn't occur? */
189 return buf;
190 }
191
197 const char *OTTD2FS(const char *name)
198 {
199 static iconv_t convd = (iconv_t)(-1);
200
201 if (convd == (iconv_t)(-1)) {
202 const char *env = GetLocalCode();
203 convd = iconv_open(env, INTERNALCODE);
204 if (convd == (iconv_t)(-1)) {
205 DEBUG(misc, 0, "[iconv] conversion from codeset '%s' to '%s' unsupported", INTERNALCODE, env);
206 return name;
207 }
208 }
209
210 return convert_tofrom_fs(convd, name);
211 }
212
218 const char *FS2OTTD(const char *name)
219 {
220 static iconv_t convd = (iconv_t)(-1);
221
222 if (convd == (iconv_t)(-1)) {
223 const char *env = GetLocalCode();
224 convd = iconv_open(INTERNALCODE, env);
225 if (convd == (iconv_t)(-1)) {
226 DEBUG(misc, 0, "[iconv] conversion from codeset '%s' to '%s' unsupported", env, INTERNALCODE);
227 return name;
228 }
229 }
230
231 return convert_tofrom_fs(convd, name);
232 }
233
234 #else
235 const char *FS2OTTD(const char *name) {return name;}
236 const char *OTTD2FS(const char *name) {return name;}
237 #endif /* WITH_ICONV */
238
239 void ShowInfo(const char *str)
240 {
241 fprintf(stderr, "%s\n", str);
242 }
243
244 #if !defined(__APPLE__)
245 void ShowOSErrorBox(const char *buf, bool system)
246 {
247 /* All unix systems, except OSX. Only use escape codes on a TTY. */
248 if (isatty(fileno(stderr))) {
249 fprintf(stderr, "\033[1;31mError: %s\033[0;39m\n", buf);
250 } else {
251 fprintf(stderr, "Error: %s\n", buf);
252 }
253 }
254 #endif
255
256 #ifdef WITH_COCOA
257 void cocoaSetupAutoreleasePool();
258 void cocoaReleaseAutoreleasePool();
259 #endif
260
261 int CDECL main(int argc, char *argv[])
262 {
263 /* Make sure our arguments contain only valid UTF-8 characters. */
264 for (int i = 0; i < argc; i++) ValidateString(argv[i]);
265
266 #ifdef WITH_COCOA
267 cocoaSetupAutoreleasePool();
268 /* This is passed if we are launched by double-clicking */
269 if (argc >= 2 && strncmp(argv[1], "-psn", 4) == 0) {
270 argv[1] = NULL;
271 argc = 1;
272 }
273 #endif
274 CrashLog::InitialiseCrashLog();
275
276 SetRandomSeed(time(NULL));
277
278 signal(SIGPIPE, SIG_IGN);
279
280 int ret = openttd_main(argc, argv);
281
282 #ifdef WITH_COCOA
283 cocoaReleaseAutoreleasePool();
284 #endif
285
286 return ret;
287 }
288
289 #ifndef WITH_COCOA
290 bool GetClipboardContents(char *buffer, const char *last)
291 {
292 return false;
293 }
294 #endif
295
296
297 /* multi os compatible sleep function */
298
299 #ifdef __AMIGA__
300 /* usleep() implementation */
301 # include <devices/timer.h>
302 # include <dos/dos.h>
303
304 extern struct Device *TimerBase = NULL;
305 extern struct MsgPort *TimerPort = NULL;
306 extern struct timerequest *TimerRequest = NULL;
307 #endif /* __AMIGA__ */
308
309 void CSleep(int milliseconds)
310 {
311 #if defined(PSP)
312 sceKernelDelayThread(milliseconds * 1000);
313 #elif defined(__BEOS__)
314 snooze(milliseconds * 1000);
315 #elif defined(__AMIGA__)
316 {
317 ULONG signals;
318 ULONG TimerSigBit = 1 << TimerPort->mp_SigBit;
319
320 /* send IORequest */
321 TimerRequest->tr_node.io_Command = TR_ADDREQUEST;
322 TimerRequest->tr_time.tv_secs = (milliseconds * 1000) / 1000000;
323 TimerRequest->tr_time.tv_micro = (milliseconds * 1000) % 1000000;
324 SendIO((struct IORequest *)TimerRequest);
325
326 if (!((signals = Wait(TimerSigBit | SIGBREAKF_CTRL_C)) & TimerSigBit) ) {
327 AbortIO((struct IORequest *)TimerRequest);
328 }
329 WaitIO((struct IORequest *)TimerRequest);
330 }
331 #else
332 usleep(milliseconds * 1000);
333 #endif
334 }
335
336
337 #ifndef __APPLE__
338 uint GetCPUCoreCount()
339 {
340 uint count = 1;
341 #ifdef HAS_SYSCTL
342 int ncpu = 0;
343 size_t len = sizeof(ncpu);
344
345 #ifdef OPENBSD
346 int name[2];
347 name[0] = CTL_HW;
348 name[1] = HW_NCPU;
349 if (sysctl(name, 2, &ncpu, &len, NULL, 0) < 0) {
350 ncpu = 0;
351 }
352 #else
353 if (sysctlbyname("hw.availcpu", &ncpu, &len, NULL, 0) < 0) {
354 sysctlbyname("hw.ncpu", &ncpu, &len, NULL, 0);
355 }
356 #endif /* #ifdef OPENBSD */
357
358 if (ncpu > 0) count = ncpu;
359 #elif defined(_SC_NPROCESSORS_ONLN)
360 long res = sysconf(_SC_NPROCESSORS_ONLN);
361 if (res > 0) count = res;
362 #endif
363
364 return count;
365 }
366
367 void OSOpenBrowser(const char *url)
368 {
369 pid_t child_pid = fork();
370 if (child_pid != 0) return;
371
372 const char *args[3];
373 args[0] = "xdg-open";
374 args[1] = url;
375 args[2] = NULL;
376 execvp(args[0], const_cast<char * const *>(args));
377 DEBUG(misc, 0, "Failed to open url: %s", url);
378 exit(0);
379 }
380 #endif