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1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: utils.cpp | |
3 | // Purpose: | |
4 | // Author: Robert Roebling | |
5 | // Created: 01/02/97 | |
6 | // Id: | |
7 | // Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem | |
8 | // Licence: wxWindows licence | |
9 | ///////////////////////////////////////////////////////////////////////////// | |
10 | ||
11 | ||
12 | //#ifdef __GNUG__ | |
13 | //#pragma implementation "utils.h" | |
14 | //#endif | |
15 | ||
16 | #include "wx/utils.h" | |
17 | #include "wx/string.h" | |
18 | ||
19 | #include <stdarg.h> | |
20 | #include <dirent.h> | |
21 | #include <string.h> | |
22 | #include <sys/stat.h> | |
23 | #include <sys/types.h> | |
24 | #include <unistd.h> | |
25 | #include <sys/wait.h> | |
26 | #include <pwd.h> | |
27 | #include <errno.h> | |
28 | #include <netdb.h> | |
82052aff | 29 | #include <signal.h> |
c801d85f KB |
30 | |
31 | #ifdef __SVR4__ | |
32 | #include <sys/systeminfo.h> | |
33 | #endif | |
34 | ||
35 | //------------------------------------------------------------------------ | |
36 | // misc. | |
37 | //------------------------------------------------------------------------ | |
38 | ||
39 | void wxBell(void) | |
40 | { | |
41 | gdk_beep(); | |
42 | }; | |
43 | ||
82052aff GL |
44 | void wxSleep(int nSecs) |
45 | { | |
46 | sleep(nSecs); | |
47 | }; | |
48 | ||
49 | int wxKill(long pid, int sig) | |
50 | { | |
51 | return kill(pid, sig); | |
52 | }; | |
53 | ||
c0392997 RR |
54 | void wxDisplaySize( int *width, int *height ) |
55 | { | |
56 | if (width) *width = gdk_screen_width(); | |
57 | if (height) *height = gdk_screen_height(); | |
58 | } | |
59 | ||
6de97a3b RR |
60 | void wxGetMousePosition( int* x, int* y ) |
61 | { | |
62 | wxFAIL_MSG( "GetMousePosition not yet implemented" ); | |
63 | if (x) *x = 0; | |
64 | if (y) *y = 0; | |
65 | }; | |
66 | ||
67 | bool wxColourDisplay(void) | |
68 | { | |
69 | wxFAIL_MSG( "wxColourDisplay always returns TRUE" ); | |
70 | return TRUE; | |
71 | } | |
72 | ||
73 | int wxDisplayDepth(void) | |
74 | { | |
75 | wxFAIL_MSG( "wxDisplayDepth always returns 8" ); | |
76 | return 8; | |
77 | } | |
78 | ||
c801d85f KB |
79 | //------------------------------------------------------------------------ |
80 | // user and home routines | |
81 | //------------------------------------------------------------------------ | |
82 | ||
83 | char* wxGetHomeDir( char *dest ) | |
84 | { | |
85 | wxString tmp = wxGetUserHome( wxString() ); | |
86 | if (tmp.IsNull()) | |
87 | strcpy( wxBuffer, "/" ); | |
88 | else | |
89 | strcpy( wxBuffer, tmp ); | |
90 | if (dest) strcpy( dest, WXSTRINGCAST tmp ); | |
91 | return wxBuffer; | |
92 | }; | |
93 | ||
94 | char *wxGetUserHome( const wxString &user ) | |
95 | { | |
c67daf87 | 96 | struct passwd *who = (struct passwd *) NULL; |
c801d85f KB |
97 | |
98 | if (user.IsNull() || (user== "")) | |
99 | { | |
100 | register char *ptr; | |
101 | ||
102 | if ((ptr = getenv("HOME")) != NULL) | |
103 | return ptr; | |
104 | if ((ptr = getenv("USER")) != NULL | |
105 | || (ptr = getenv("LOGNAME")) != NULL) { | |
106 | who = getpwnam(ptr); | |
107 | } | |
108 | // We now make sure the the user exists! | |
109 | if (who == NULL) | |
110 | who = getpwuid(getuid()); | |
111 | } | |
112 | else | |
113 | who = getpwnam (user); | |
114 | ||
115 | return who ? who->pw_dir : (char*)NULL; | |
116 | }; | |
117 | ||
118 | //------------------------------------------------------------------------ | |
119 | // id routines | |
120 | //------------------------------------------------------------------------ | |
121 | ||
122 | bool wxGetHostName(char *buf, int sz) | |
123 | { | |
124 | *buf = '\0'; | |
125 | #if defined(__SVR4__) && !defined(__sgi) | |
126 | return (sysinfo(SI_HOSTNAME, buf, sz) != -1); | |
127 | #else /* BSD Sockets */ | |
128 | char name[255]; | |
129 | struct hostent *h; | |
130 | // Get hostname | |
131 | if (gethostname(name, sizeof(name)/sizeof(char)-1) == -1) | |
132 | return FALSE; | |
133 | // Get official full name of host | |
134 | strncpy(buf, (h=gethostbyname(name))!=NULL ? h->h_name : name, sz-1); | |
135 | return TRUE; | |
136 | #endif | |
137 | } | |
138 | ||
139 | bool wxGetUserId(char *buf, int sz) | |
140 | { | |
141 | struct passwd *who; | |
142 | ||
143 | *buf = '\0'; | |
144 | if ((who = getpwuid(getuid ())) != NULL) { | |
145 | strncpy (buf, who->pw_name, sz-1); | |
146 | return TRUE; | |
147 | } | |
148 | return FALSE; | |
149 | } | |
150 | ||
151 | bool wxGetUserName(char *buf, int sz) | |
152 | { | |
153 | struct passwd *who; | |
154 | ||
155 | *buf = '\0'; | |
156 | if ((who = getpwuid (getuid ())) != NULL) { | |
157 | strncpy (buf, who->pw_gecos, sz - 1); | |
158 | return TRUE; | |
159 | } | |
160 | return FALSE; | |
161 | } | |
162 | ||
163 | //------------------------------------------------------------------------ | |
164 | // error and debug output routines | |
165 | //------------------------------------------------------------------------ | |
166 | ||
167 | void wxDebugMsg( const char *format, ... ) | |
168 | { | |
169 | va_list ap; | |
170 | va_start( ap, format ); | |
171 | vfprintf( stderr, format, ap ); | |
172 | fflush( stderr ); | |
173 | va_end(ap); | |
174 | }; | |
175 | ||
176 | void wxError( const wxString &msg, const wxString &title ) | |
177 | { | |
178 | fprintf( stderr, "Error " ); | |
179 | if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) ); | |
180 | if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) ); | |
181 | fprintf( stderr, ".\n" ); | |
182 | }; | |
183 | ||
184 | void wxFatalError( const wxString &msg, const wxString &title ) | |
185 | { | |
186 | fprintf( stderr, "Error " ); | |
187 | if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) ); | |
188 | if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) ); | |
189 | fprintf( stderr, ".\n" ); | |
190 | exit(1); | |
191 | }; | |
192 | ||
193 | //------------------------------------------------------------------------ | |
194 | // directory routines | |
195 | //------------------------------------------------------------------------ | |
196 | ||
197 | bool wxDirExists( const wxString& dir ) | |
198 | { | |
199 | char buf[500]; | |
200 | strcpy( buf, WXSTRINGCAST(dir) ); | |
201 | struct stat sbuf; | |
202 | return ((stat(buf, &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE); | |
203 | }; | |
204 | ||
205 | //------------------------------------------------------------------------ | |
206 | // wild character routines | |
207 | //------------------------------------------------------------------------ | |
208 | ||
209 | bool wxIsWild( const wxString& pattern ) | |
210 | { | |
211 | wxString tmp = pattern; | |
212 | char *pat = WXSTRINGCAST(tmp); | |
213 | while (*pat) { | |
214 | switch (*pat++) { | |
215 | case '?': case '*': case '[': case '{': | |
216 | return TRUE; | |
217 | case '\\': | |
218 | if (!*pat++) | |
219 | return FALSE; | |
220 | } | |
221 | } | |
222 | return FALSE; | |
223 | }; | |
224 | ||
225 | ||
226 | bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special ) | |
227 | { | |
228 | wxString tmp1 = pat; | |
229 | char *pattern = WXSTRINGCAST(tmp1); | |
230 | wxString tmp2 = text; | |
231 | char *str = WXSTRINGCAST(tmp2); | |
232 | char c; | |
233 | char *cp; | |
234 | bool done = FALSE, ret_code, ok; | |
235 | // Below is for vi fans | |
236 | const char OB = '{', CB = '}'; | |
237 | ||
238 | // dot_special means '.' only matches '.' | |
239 | if (dot_special && *str == '.' && *pattern != *str) | |
240 | return FALSE; | |
241 | ||
242 | while ((*pattern != '\0') && (!done) | |
243 | && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) { | |
244 | switch (*pattern) { | |
245 | case '\\': | |
246 | pattern++; | |
247 | if (*pattern != '\0') | |
248 | pattern++; | |
249 | break; | |
250 | case '*': | |
251 | pattern++; | |
252 | ret_code = FALSE; | |
253 | while ((*str!='\0') | |
254 | && (!(ret_code=wxMatchWild(pattern, str++, FALSE)))) | |
255 | /*loop*/; | |
256 | if (ret_code) { | |
257 | while (*str != '\0') | |
258 | str++; | |
259 | while (*pattern != '\0') | |
260 | pattern++; | |
261 | } | |
262 | break; | |
263 | case '[': | |
264 | pattern++; | |
265 | repeat: | |
266 | if ((*pattern == '\0') || (*pattern == ']')) { | |
267 | done = TRUE; | |
268 | break; | |
269 | } | |
270 | if (*pattern == '\\') { | |
271 | pattern++; | |
272 | if (*pattern == '\0') { | |
273 | done = TRUE; | |
274 | break; | |
275 | } | |
276 | } | |
277 | if (*(pattern + 1) == '-') { | |
278 | c = *pattern; | |
279 | pattern += 2; | |
280 | if (*pattern == ']') { | |
281 | done = TRUE; | |
282 | break; | |
283 | } | |
284 | if (*pattern == '\\') { | |
285 | pattern++; | |
286 | if (*pattern == '\0') { | |
287 | done = TRUE; | |
288 | break; | |
289 | } | |
290 | } | |
291 | if ((*str < c) || (*str > *pattern)) { | |
292 | pattern++; | |
293 | goto repeat; | |
294 | } | |
295 | } else if (*pattern != *str) { | |
296 | pattern++; | |
297 | goto repeat; | |
298 | } | |
299 | pattern++; | |
300 | while ((*pattern != ']') && (*pattern != '\0')) { | |
301 | if ((*pattern == '\\') && (*(pattern + 1) != '\0')) | |
302 | pattern++; | |
303 | pattern++; | |
304 | } | |
305 | if (*pattern != '\0') { | |
306 | pattern++, str++; | |
307 | } | |
308 | break; | |
309 | case '?': | |
310 | pattern++; | |
311 | str++; | |
312 | break; | |
313 | case OB: | |
314 | pattern++; | |
315 | while ((*pattern != CB) && (*pattern != '\0')) { | |
316 | cp = str; | |
317 | ok = TRUE; | |
318 | while (ok && (*cp != '\0') && (*pattern != '\0') | |
319 | && (*pattern != ',') && (*pattern != CB)) { | |
320 | if (*pattern == '\\') | |
321 | pattern++; | |
322 | ok = (*pattern++ == *cp++); | |
323 | } | |
324 | if (*pattern == '\0') { | |
325 | ok = FALSE; | |
326 | done = TRUE; | |
327 | break; | |
328 | } else if (ok) { | |
329 | str = cp; | |
330 | while ((*pattern != CB) && (*pattern != '\0')) { | |
331 | if (*++pattern == '\\') { | |
332 | if (*++pattern == CB) | |
333 | pattern++; | |
334 | } | |
335 | } | |
336 | } else { | |
337 | while (*pattern!=CB && *pattern!=',' && *pattern!='\0') { | |
338 | if (*++pattern == '\\') { | |
339 | if (*++pattern == CB || *pattern == ',') | |
340 | pattern++; | |
341 | } | |
342 | } | |
343 | } | |
344 | if (*pattern != '\0') | |
345 | pattern++; | |
346 | } | |
347 | break; | |
348 | default: | |
349 | if (*str == *pattern) { | |
350 | str++, pattern++; | |
351 | } else { | |
352 | done = TRUE; | |
353 | } | |
354 | } | |
355 | } | |
356 | while (*pattern == '*') | |
357 | pattern++; | |
358 | return ((*str == '\0') && (*pattern == '\0')); | |
359 | }; | |
360 | ||
361 | //------------------------------------------------------------------------ | |
362 | // subprocess routines | |
363 | //------------------------------------------------------------------------ | |
364 | ||
cf447356 GL |
365 | typedef struct { |
366 | gint pid, tag; | |
367 | wxProcess *process; | |
368 | } wxEndProcessData; | |
369 | ||
370 | static void GTK_EndProcessDetector(gpointer data, gint source, | |
e3e65dac | 371 | GdkInputCondition WXUNUSED(condition) ) |
cf447356 GL |
372 | { |
373 | wxEndProcessData *proc_data = (wxEndProcessData *)data; | |
374 | int pid; | |
375 | ||
376 | pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid); | |
377 | ||
c67daf87 UR |
378 | /* wait4 is not part of any standard, use at own risk |
379 | * not sure what wait4 does, but wait3 seems to be closest, whats a digit ;-) | |
380 | * --- offer@sgi.com */ | |
77e7a1dc | 381 | #if !defined(__sgi) |
cf447356 | 382 | wait4(proc_data->pid, NULL, 0, NULL); |
77e7a1dc | 383 | #else |
c67daf87 | 384 | wait3((int *) NULL, 0, (rusage *) NULL); |
77e7a1dc | 385 | #endif |
cf447356 GL |
386 | |
387 | close(source); | |
388 | gdk_input_remove(proc_data->tag); | |
389 | ||
390 | if (proc_data->process) | |
391 | proc_data->process->OnTerminate(proc_data->pid); | |
392 | ||
393 | if (proc_data->pid > 0) | |
394 | delete proc_data; | |
395 | else | |
396 | proc_data->pid = 0; | |
397 | }; | |
398 | ||
eafc087e | 399 | long wxExecute( char **argv, bool sync, wxProcess *process ) |
c801d85f | 400 | { |
cf447356 GL |
401 | wxEndProcessData *data = new wxEndProcessData; |
402 | int end_proc_detect[2]; | |
403 | ||
c801d85f | 404 | if (*argv == NULL) |
cf447356 GL |
405 | return 0; |
406 | ||
407 | /* Create pipes */ | |
408 | if (pipe(end_proc_detect) == -1) { | |
409 | perror("pipe failed"); | |
410 | return 0; | |
411 | } | |
c801d85f KB |
412 | |
413 | /* fork the process */ | |
414 | #if defined(sun) || defined(__ultrix) || defined(__bsdi__) | |
415 | pid_t pid = vfork(); | |
416 | #else | |
417 | pid_t pid = fork(); | |
418 | #endif | |
419 | if (pid == -1) { | |
420 | perror ("fork failed"); | |
cf447356 | 421 | return 0; |
c801d85f | 422 | } else if (pid == 0) { |
cf447356 GL |
423 | /* Close fd not useful */ |
424 | close(end_proc_detect[0]); // close reading side | |
425 | ||
c801d85f KB |
426 | /* child */ |
427 | #ifdef _AIX | |
428 | execvp ((const char *)*argv, (const char **)argv); | |
429 | #else | |
430 | execvp (*argv, argv); | |
431 | #endif | |
432 | if (errno == ENOENT) | |
433 | wxError("command not found", *argv); | |
434 | else | |
435 | perror (*argv); | |
436 | wxError("could not execute", *argv); | |
437 | _exit (-1); | |
438 | } | |
439 | ||
cf447356 GL |
440 | close(end_proc_detect[1]); // close writing side |
441 | data->tag = gdk_input_add(end_proc_detect[0], GDK_INPUT_READ, | |
442 | GTK_EndProcessDetector, (gpointer)data); | |
443 | data->pid = pid; | |
eafc087e | 444 | if (!sync) { |
cf447356 GL |
445 | data->process = process; |
446 | } else { | |
c67daf87 | 447 | data->process = (wxProcess *) NULL; |
cf447356 GL |
448 | data->pid = -(data->pid); |
449 | ||
450 | while (data->pid != 0) | |
451 | wxYield(); | |
452 | ||
453 | delete data; | |
454 | } | |
455 | ||
456 | return pid; | |
c801d85f KB |
457 | }; |
458 | ||
eafc087e | 459 | long wxExecute( const wxString& command, bool sync, wxProcess *process ) |
c801d85f KB |
460 | { |
461 | if (command.IsNull() || command == "") return FALSE; | |
462 | ||
463 | int argc = 0; | |
464 | char *argv[127]; | |
465 | char tmp[1024]; | |
466 | const char *IFS = " \t\n"; | |
467 | ||
468 | strncpy (tmp, command, sizeof(tmp) / sizeof(char) - 1); | |
469 | tmp[sizeof (tmp) / sizeof (char) - 1] = '\0'; | |
470 | argv[argc++] = strtok (tmp, IFS); | |
c67daf87 | 471 | while ((argv[argc++] = strtok((char *) NULL, IFS)) != NULL) |
c801d85f | 472 | /* loop */ ; |
eafc087e | 473 | return wxExecute(argv, sync, process); |
c801d85f KB |
474 | }; |
475 | ||
c0392997 | 476 |