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Comparing rxvt-unicode/src/misc.C (file contents):
Revision 1.31 by root, Fri Jan 6 20:50:58 2006 UTC vs.
Revision 1.43 by ayin, Mon Aug 27 20:53:16 2007 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: misc.C 2 * File: misc.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 1996 mj olesen <olesen@me.QueensU.CA> Queen's Univ at Kingston 6 * Copyright (c) 1996 mj olesen <olesen@me.QueensU.CA> Queen's Univ at Kingston
7 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 7 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
8 * Copyright (c) 1998-2000 Geoff Wing <gcw@pobox.com> 8 * Copyright (c) 1998-2000 Geoff Wing <gcw@pobox.com>
9 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 9 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
10 * 10 *
11 * This program is free software; you can redistribute it and/or modify 11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by 12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or 13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version. 14 * (at your option) any later version.
… …
163 163
164 return r; 164 return r;
165} 165}
166 166
167char * 167char *
168rxvt_strdup (const char *str)
169{
170 return str ? strdup (str) : 0;
171}
172
173char *
174rxvt_r_basename (const char *str) 168rxvt_r_basename (const char *str) NOTHROW
175{ 169{
176 char *base = strrchr (str, '/'); 170 char *base = strrchr (str, '/');
177 171
178 return (char *) (base ? base + 1 : str); 172 return (char *) (base ? base + 1 : str);
179} 173}
180 174
181/* 175/*
182 * Print an error message 176 * Print an error message
183 */ 177 */
184void 178void
185rxvt_vlog (const char *fmt, va_list arg_ptr) 179rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW
186{ 180{
187 char msg[1024]; 181 char msg[1024];
188 182
189 vsnprintf (msg, sizeof msg, fmt, arg_ptr); 183 vsnprintf (msg, sizeof msg, fmt, arg_ptr);
190 184
… …
193 else 187 else
194 write (STDOUT_FILENO, msg, strlen (msg)); 188 write (STDOUT_FILENO, msg, strlen (msg));
195} 189}
196 190
197void 191void
198rxvt_log (const char *fmt,...) 192rxvt_log (const char *fmt,...) NOTHROW
199{ 193{
200 va_list arg_ptr; 194 va_list arg_ptr;
201 195
202 va_start (arg_ptr, fmt); 196 va_start (arg_ptr, fmt);
203 rxvt_vlog (fmt, arg_ptr); 197 rxvt_vlog (fmt, arg_ptr);
… …
206 200
207/* 201/*
208 * Print an error message 202 * Print an error message
209 */ 203 */
210void 204void
211rxvt_warn (const char *fmt,...) 205rxvt_warn (const char *fmt,...) NOTHROW
212{ 206{
213 va_list arg_ptr; 207 va_list arg_ptr;
214 208
215 rxvt_log ("%s: ", RESNAME); 209 rxvt_log ("%s: ", RESNAME);
216 210
… …
218 rxvt_vlog (fmt, arg_ptr); 212 rxvt_vlog (fmt, arg_ptr);
219 va_end (arg_ptr); 213 va_end (arg_ptr);
220} 214}
221 215
222void 216void
223rxvt_fatal (const char *fmt,...) 217rxvt_fatal (const char *fmt,...) THROW ((class rxvt_failure_exception))
224{ 218{
225 va_list arg_ptr; 219 va_list arg_ptr;
226 220
227 rxvt_log ("%s: ", RESNAME); 221 rxvt_log ("%s: ", RESNAME);
228 222
… …
231 va_end (arg_ptr); 225 va_end (arg_ptr);
232 226
233 rxvt_exit_failure (); 227 rxvt_exit_failure ();
234} 228}
235 229
230void
231rxvt_exit_failure () THROW ((class rxvt_failure_exception))
232{
236class rxvt_failure_exception rxvt_failure_exception; 233 static class rxvt_failure_exception rxvt_failure_exception;
237
238void
239rxvt_exit_failure ()
240{
241 throw (rxvt_failure_exception); 234 throw (rxvt_failure_exception);
242}
243
244/*
245 * check that the first characters of S1 match S2
246 *
247 * No Match
248 * return: 0
249 * Match
250 * return: strlen (S2)
251 */
252int
253rxvt_Str_match (const char *s1, const char *s2)
254{
255 int n = strlen (s2);
256
257 return ((strncmp (s1, s2, n) == 0) ? n : 0);
258}
259
260const char *
261rxvt_Str_skip_space (const char *str)
262{
263 if (str)
264 while (*str && isspace (*str))
265 str++;
266
267 return str;
268} 235}
269 236
270/* 237/*
271 * remove leading/trailing space and strip-off leading/trailing quotes. 238 * remove leading/trailing space and strip-off leading/trailing quotes.
272 * in place. 239 * in place.
273 */ 240 */
274char * 241char *
275rxvt_Str_trim (char *str) 242rxvt_Str_trim (char *str) NOTHROW
276{ 243{
277 char *r, *s; 244 char *r, *s;
278 245
279 if (!str || !*str) /* shortcut */ 246 if (!str || !*str) /* shortcut */
280 return str; 247 return str;
… …
317 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed 284 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed
318 * 285 *
319 * returns the converted string length 286 * returns the converted string length
320 */ 287 */
321int 288int
322rxvt_Str_escaped (char *str) 289rxvt_Str_escaped (char *str) NOTHROW
323{ 290{
324 char ch, *s, *d; 291 char ch, *s, *d;
325 int i, num, append = 0; 292 int i, num, append = 0;
326 293
327 if (!str || !*str) 294 if (!str || !*str)
… …
393 * Split a comma-separated string into an array, stripping leading and 360 * Split a comma-separated string into an array, stripping leading and
394 * trailing spaces from each entry. Empty strings are properly returned 361 * trailing spaces from each entry. Empty strings are properly returned
395 * Caller should free each entry and array when done 362 * Caller should free each entry and array when done
396 */ 363 */
397char ** 364char **
398rxvt_splitcommastring (const char *cs) 365rxvt_splitcommastring (const char *cs) NOTHROW
399{ 366{
400 int l, n, p; 367 int l, n, p;
401 const char *s, *t; 368 const char *s, *t;
402 char **ret; 369 char **ret;
403 370
… …
424 391
425 return ret; 392 return ret;
426} 393}
427 394
428void 395void
429rxvt_freecommastring (char **cs) 396rxvt_freecommastring (char **cs) NOTHROW
430{ 397{
431 for (int i = 0; cs[i]; ++i) 398 for (int i = 0; cs[i]; ++i)
432 free (cs[i]); 399 free (cs[i]);
433 400
434 free (cs); 401 free (cs);
435} 402}
436 403
437/*----------------------------------------------------------------------*
438 * file searching
439 */
440 404
441/* #define DEBUG_SEARCH_PATH */
442 405
443#if defined (XPM_BACKGROUND) || (MENUBAR_MAX)
444/*
445 * search for FILE in the current working directory, and within the
446 * colon-delimited PATHLIST, adding the file extension EXT if required.
447 *
448 * FILE is either semi-colon or zero terminated
449 */
450char *
451rxvt_File_search_path (const char *pathlist, const char *file, const char *ext)
452{
453 int maxpath, len;
454 const char *p, *path;
455 char name[256];
456
457 if (!access (file, R_OK)) /* found (plain name) in current directory */
458 return strdup (file);
459
460 /* semi-colon delimited */
461 if ((p = strchr (file, ';')))
462 len = (p - file);
463 else
464 len = strlen (file);
465
466#ifdef DEBUG_SEARCH_PATH
467 getcwd (name, sizeof (name));
468 fprintf (stderr, "pwd: \"%s\"\n", name);
469 fprintf (stderr, "find: \"%.*s\"\n", len, file);
470#endif
471
472 /* leave room for an extra '/' and trailing '\0' */
473 maxpath = sizeof (name) - (len + (ext ? strlen (ext) : 0) + 2);
474 if (maxpath <= 0)
475 return NULL;
476
477 /* check if we can find it now */
478 strncpy (name, file, len);
479 name[len] = '\0';
480
481 if (!access (name, R_OK))
482 return strdup (name);
483 if (ext)
484 {
485 strcat (name, ext);
486 if (!access (name, R_OK))
487 return strdup (name);
488 }
489 for (path = pathlist; path != NULL && *path != '\0'; path = p)
490 {
491 int n;
492
493 /* colon delimited */
494 if ((p = strchr (path, ':')) == NULL)
495 p = strchr (path, '\0');
496
497 n = (p - path);
498 if (*p != '\0')
499 p++;
500
501 if (n > 0 && n <= maxpath)
502 {
503 strncpy (name, path, n);
504 if (name[n - 1] != '/')
505 name[n++] = '/';
506 name[n] = '\0';
507 strncat (name, file, len);
508
509 if (!access (name, R_OK))
510 return strdup (name);
511 if (ext)
512 {
513 strcat (name, ext);
514 if (!access (name, R_OK))
515 return strdup (name);
516 }
517 }
518 }
519 return NULL;
520}
521
522char *
523rxvt_File_find (const char *file, const char *ext, const char *path)
524{
525 char *f;
526
527 if (file == NULL || *file == '\0')
528 return NULL;
529
530 /* search environment variables here too */
531 if ((f = rxvt_File_search_path (path, file, ext)) == NULL)
532#ifdef PATH_ENV
533 if ((f = rxvt_File_search_path (getenv (PATH_ENV), file, ext)) == NULL)
534#endif
535 f = rxvt_File_search_path (getenv ("PATH"), file, ext);
536
537#ifdef DEBUG_SEARCH_PATH
538 if (f)
539 fprintf (stderr, "found: \"%s\"\n", f);
540#endif
541
542 return f;
543}
544#endif /* defined (XPM_BACKGROUND) || (MENUBAR_MAX) */
545
546/*----------------------------------------------------------------------*
547 * miscellaneous drawing routines
548 */
549
550/*
551 * Draw top/left and bottom/right border shadows around windows
552 */
553#if defined(RXVT_SCROLLBAR) || defined(MENUBAR)
554void
555rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
556{
557 int shadow;
558
559 shadow = (w == 0 || h == 0) ? 1 : MENU_SHADOW;
560 w += x - 1;
561 h += y - 1;
562 for (; shadow-- > 0; x++, y++, w--, h--)
563 {
564 XDrawLine (display, win, topShadow, x, y, w, y);
565 XDrawLine (display, win, topShadow, x, y, x, h);
566 XDrawLine (display, win, botShadow, w, h, w, y + 1);
567 XDrawLine (display, win, botShadow, w, h, x + 1, h);
568 }
569}
570#endif
571
572/* button shapes */
573#ifdef MENUBAR
574void
575rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type)
576{
577 switch (type)
578 {
579 case 'r': /* right triangle */
580 XDrawLine (display, win, topShadow, x, y, x, y + w);
581 XDrawLine (display, win, topShadow, x, y, x + w, y + w / 2);
582 XDrawLine (display, win, botShadow, x, y + w, x + w, y + w / 2);
583 break;
584
585 case 'l': /* left triangle */
586 XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
587 XDrawLine (display, win, botShadow, x + w, y + w, x, y + w / 2);
588 XDrawLine (display, win, topShadow, x, y + w / 2, x + w, y);
589 break;
590
591 case 'd': /* down triangle */
592 XDrawLine (display, win, topShadow, x, y, x + w / 2, y + w);
593 XDrawLine (display, win, topShadow, x, y, x + w, y);
594 XDrawLine (display, win, botShadow, x + w, y, x + w / 2, y + w);
595 break;
596
597 case 'u': /* up triangle */
598 XDrawLine (display, win, botShadow, x + w, y + w, x + w / 2, y);
599 XDrawLine (display, win, botShadow, x + w, y + w, x, y + w);
600 XDrawLine (display, win, topShadow, x, y + w, x + w / 2, y);
601 break;
602#if 0
603 case 's': /* square */
604 XDrawLine (display, win, topShadow, x + w, y, x, y);
605 XDrawLine (display, win, topShadow, x, y, x, y + w);
606 XDrawLine (display, win, botShadow, x, y + w, x + w, y + w);
607 XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
608 break;
609#endif
610
611 }
612}
613#endif
614
615// should not be used in interactive programs, for obvious reasons
616void rxvt_usleep (int usecs)
617{
618#if HAVE_NANOSLEEP
619 struct timespec ts;
620
621 ts.tv_sec = 0;
622 ts.tv_nsec = usecs * 1000;
623 nanosleep (&ts, NULL);
624#else
625 /* use select for timing */
626 struct timeval tv;
627
628 tv.tv_sec = 0;
629 tv.tv_usec = usecs;
630 select (0, NULL, NULL, NULL, &tv);
631#endif
632}
633
634/*----------------------- end-of-file (C source) -----------------------*/
635

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