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Comparing rxvt-unicode/src/misc.C (file contents):
Revision 1.34 by root, Mon Jan 16 16:19:19 2006 UTC vs.
Revision 1.42 by ayin, Mon Aug 27 20:00:26 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} 235}
243 236
244/* 237/*
245 * check that the first characters of S1 match S2 238 * check that the first characters of S1 match S2
… …
248 * return: 0 241 * return: 0
249 * Match 242 * Match
250 * return: strlen (S2) 243 * return: strlen (S2)
251 */ 244 */
252int 245int
253rxvt_Str_match (const char *s1, const char *s2) 246rxvt_Str_match (const char *s1, const char *s2) NOTHROW
254{ 247{
255 int n = strlen (s2); 248 int n = strlen (s2);
256 249
257 return ((strncmp (s1, s2, n) == 0) ? n : 0); 250 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} 251}
269 252
270/* 253/*
271 * remove leading/trailing space and strip-off leading/trailing quotes. 254 * remove leading/trailing space and strip-off leading/trailing quotes.
272 * in place. 255 * in place.
273 */ 256 */
274char * 257char *
275rxvt_Str_trim (char *str) 258rxvt_Str_trim (char *str) NOTHROW
276{ 259{
277 char *r, *s; 260 char *r, *s;
278 261
279 if (!str || !*str) /* shortcut */ 262 if (!str || !*str) /* shortcut */
280 return str; 263 return str;
… …
317 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed 300 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed
318 * 301 *
319 * returns the converted string length 302 * returns the converted string length
320 */ 303 */
321int 304int
322rxvt_Str_escaped (char *str) 305rxvt_Str_escaped (char *str) NOTHROW
323{ 306{
324 char ch, *s, *d; 307 char ch, *s, *d;
325 int i, num, append = 0; 308 int i, num, append = 0;
326 309
327 if (!str || !*str) 310 if (!str || !*str)
… …
393 * Split a comma-separated string into an array, stripping leading and 376 * Split a comma-separated string into an array, stripping leading and
394 * trailing spaces from each entry. Empty strings are properly returned 377 * trailing spaces from each entry. Empty strings are properly returned
395 * Caller should free each entry and array when done 378 * Caller should free each entry and array when done
396 */ 379 */
397char ** 380char **
398rxvt_splitcommastring (const char *cs) 381rxvt_splitcommastring (const char *cs) NOTHROW
399{ 382{
400 int l, n, p; 383 int l, n, p;
401 const char *s, *t; 384 const char *s, *t;
402 char **ret; 385 char **ret;
403 386
… …
424 407
425 return ret; 408 return ret;
426} 409}
427 410
428void 411void
429rxvt_freecommastring (char **cs) 412rxvt_freecommastring (char **cs) NOTHROW
430{ 413{
431 for (int i = 0; cs[i]; ++i) 414 for (int i = 0; cs[i]; ++i)
432 free (cs[i]); 415 free (cs[i]);
433 416
434 free (cs); 417 free (cs);
435} 418}
436 419
437/*----------------------------------------------------------------------*
438 * file searching
439 */
440 420
441/* #define DEBUG_SEARCH_PATH */
442 421
443#ifdef XPM_BACKGROUND
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 f = rxvt_File_search_path (path, file, ext);
531
532#ifdef DEBUG_SEARCH_PATH
533 if (f)
534 fprintf (stderr, "found: \"%s\"\n", f);
535#endif
536
537 return f;
538}
539#endif
540
541/*----------------------------------------------------------------------*
542 * miscellaneous drawing routines
543 */
544
545/*
546 * Draw top/left and bottom/right border shadows around windows
547 */
548#ifdef RXVT_SCROLLBAR
549void
550rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
551{
552 int shadow;
553
554 shadow = (w == 0 || h == 0) ? 1 : 2;
555 w += x - 1;
556 h += y - 1;
557 for (; shadow-- > 0; x++, y++, w--, h--)
558 {
559 XDrawLine (display, win, topShadow, x, y, w, y);
560 XDrawLine (display, win, topShadow, x, y, x, h);
561 XDrawLine (display, win, botShadow, w, h, w, y + 1);
562 XDrawLine (display, win, botShadow, w, h, x + 1, h);
563 }
564}
565#endif
566
567// should not be used in interactive programs, for obvious reasons
568void rxvt_usleep (int usecs)
569{
570#if HAVE_NANOSLEEP
571 struct timespec ts;
572
573 ts.tv_sec = 0;
574 ts.tv_nsec = usecs * 1000;
575 nanosleep (&ts, NULL);
576#else
577 /* use select for timing */
578 struct timeval tv;
579
580 tv.tv_sec = 0;
581 tv.tv_usec = usecs;
582 select (0, NULL, NULL, NULL, &tv);
583#endif
584}
585
586/*----------------------- end-of-file (C source) -----------------------*/
587

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