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. |
… | |
… | |
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
24 | *----------------------------------------------------------------------*/ |
24 | *----------------------------------------------------------------------*/ |
25 | |
25 | |
26 | #include "../config.h" /* NECESSARY */ |
26 | #include "../config.h" /* NECESSARY */ |
27 | #include "rxvt.h" /* NECESSARY */ |
27 | #include "rxvt.h" /* NECESSARY */ |
28 | #include "misc.intpro" /* PROTOS for internal routines */ |
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29 | |
28 | |
30 | char * |
29 | char * |
31 | rxvt_wcstombs (const wchar_t *str, int len) |
30 | rxvt_wcstombs (const wchar_t *str, int len) |
32 | { |
31 | { |
33 | if (len < 0) len = wcslen (str); |
32 | if (len < 0) len = wcslen (str); |
… | |
… | |
37 | |
36 | |
38 | char *dst = r; |
37 | char *dst = r; |
39 | while (len--) |
38 | while (len--) |
40 | { |
39 | { |
41 | ssize_t l = wcrtomb (dst, *str++, mbs); |
40 | ssize_t l = wcrtomb (dst, *str++, mbs); |
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41 | |
42 | if (l < 0) |
42 | if (l < 0) |
43 | *dst++ = '?'; |
43 | *dst++ = '?'; |
44 | else |
44 | else |
45 | dst += l; |
45 | dst += l; |
46 | } |
46 | } |
… | |
… | |
163 | |
163 | |
164 | return r; |
164 | return r; |
165 | } |
165 | } |
166 | |
166 | |
167 | char * |
167 | char * |
168 | rxvt_strdup (const char *str) |
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169 | { |
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170 | return str ? strdup (str) : 0; |
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171 | } |
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172 | |
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173 | /* INTPROTO */ |
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174 | char * |
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175 | rxvt_r_basename (const char *str) |
168 | rxvt_r_basename (const char *str) NOTHROW |
176 | { |
169 | { |
177 | char *base = strrchr (str, '/'); |
170 | char *base = strrchr (str, '/'); |
178 | |
171 | |
179 | return (char *) (base ? base + 1 : str); |
172 | return (char *) (base ? base + 1 : str); |
180 | } |
173 | } |
181 | |
174 | |
182 | /* |
175 | /* |
183 | * Print an error message |
176 | * Print an error message |
184 | */ |
177 | */ |
185 | /* INTPROTO */ |
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186 | void |
178 | void |
187 | rxvt_vlog (const char *fmt, va_list arg_ptr) |
179 | rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW |
188 | { |
180 | { |
189 | char msg[1024]; |
181 | char msg[1024]; |
190 | |
182 | |
191 | vsnprintf (msg, sizeof msg, fmt, arg_ptr); |
183 | vsnprintf (msg, sizeof msg, fmt, arg_ptr); |
192 | |
184 | |
… | |
… | |
194 | (*GET_R->log_hook) (msg); |
186 | (*GET_R->log_hook) (msg); |
195 | else |
187 | else |
196 | write (STDOUT_FILENO, msg, strlen (msg)); |
188 | write (STDOUT_FILENO, msg, strlen (msg)); |
197 | } |
189 | } |
198 | |
190 | |
199 | /* INTPROTO */ |
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200 | void |
191 | void |
201 | rxvt_log (const char *fmt,...) |
192 | rxvt_log (const char *fmt,...) NOTHROW |
202 | { |
193 | { |
203 | va_list arg_ptr; |
194 | va_list arg_ptr; |
204 | |
195 | |
205 | va_start (arg_ptr, fmt); |
196 | va_start (arg_ptr, fmt); |
206 | rxvt_vlog (fmt, arg_ptr); |
197 | rxvt_vlog (fmt, arg_ptr); |
… | |
… | |
208 | } |
199 | } |
209 | |
200 | |
210 | /* |
201 | /* |
211 | * Print an error message |
202 | * Print an error message |
212 | */ |
203 | */ |
213 | /* INTPROTO */ |
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214 | void |
204 | void |
215 | rxvt_warn (const char *fmt,...) |
205 | rxvt_warn (const char *fmt,...) NOTHROW |
216 | { |
206 | { |
217 | va_list arg_ptr; |
207 | va_list arg_ptr; |
218 | |
208 | |
219 | rxvt_log ("%s: ", RESNAME); |
209 | rxvt_log ("%s: ", RESNAME); |
220 | |
210 | |
221 | va_start (arg_ptr, fmt); |
211 | va_start (arg_ptr, fmt); |
222 | rxvt_vlog (fmt, arg_ptr); |
212 | rxvt_vlog (fmt, arg_ptr); |
223 | va_end (arg_ptr); |
213 | va_end (arg_ptr); |
224 | } |
214 | } |
225 | |
215 | |
226 | /* INTPROTO */ |
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227 | void |
216 | void |
228 | rxvt_fatal (const char *fmt,...) |
217 | rxvt_fatal (const char *fmt,...) THROW ((class rxvt_failure_exception)) |
229 | { |
218 | { |
230 | va_list arg_ptr; |
219 | va_list arg_ptr; |
231 | |
220 | |
232 | rxvt_log ("%s: ", RESNAME); |
221 | rxvt_log ("%s: ", RESNAME); |
233 | |
222 | |
… | |
… | |
236 | va_end (arg_ptr); |
225 | va_end (arg_ptr); |
237 | |
226 | |
238 | rxvt_exit_failure (); |
227 | rxvt_exit_failure (); |
239 | } |
228 | } |
240 | |
229 | |
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230 | void |
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231 | rxvt_exit_failure () THROW ((class rxvt_failure_exception)) |
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232 | { |
241 | class rxvt_failure_exception rxvt_failure_exception; |
233 | static class rxvt_failure_exception rxvt_failure_exception; |
242 | |
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243 | /* INTPROTO */ |
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244 | void |
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245 | rxvt_exit_failure () |
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246 | { |
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247 | throw (rxvt_failure_exception); |
234 | throw (rxvt_failure_exception); |
248 | } |
235 | } |
249 | |
236 | |
250 | /* |
237 | /* |
251 | * check that the first characters of S1 match S2 |
238 | * remove leading/trailing space in place. |
252 | * |
239 | */ |
253 | * No Match |
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254 | * return: 0 |
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255 | * Match |
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256 | * return: strlen (S2) |
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257 | */ |
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258 | /* INTPROTO */ |
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259 | int |
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260 | rxvt_Str_match (const char *s1, const char *s2) |
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261 | { |
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262 | int n = strlen (s2); |
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263 | |
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264 | return ((strncmp (s1, s2, n) == 0) ? n : 0); |
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265 | } |
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266 | |
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267 | /* INTPROTO */ |
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268 | const char * |
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269 | rxvt_Str_skip_space (const char *str) |
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270 | { |
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271 | if (str) |
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272 | while (*str && isspace (*str)) |
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273 | str++; |
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274 | |
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275 | return str; |
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276 | } |
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277 | |
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278 | /* |
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279 | * remove leading/trailing space and strip-off leading/trailing quotes. |
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280 | * in place. |
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281 | */ |
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282 | /* INTPROTO */ |
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283 | char * |
240 | char * |
284 | rxvt_Str_trim (char *str) |
241 | rxvt_Str_trim (char *str) NOTHROW |
285 | { |
242 | { |
286 | char *r, *s; |
243 | char *r, *s; |
287 | |
244 | |
288 | if (!str || !*str) /* shortcut */ |
245 | if (!str || !*str) /* shortcut */ |
289 | return str; |
246 | return str; |
… | |
… | |
296 | |
253 | |
297 | /* dump return and other trailing whitespace */ |
254 | /* dump return and other trailing whitespace */ |
298 | while (r > s && isspace (*r)) |
255 | while (r > s && isspace (*r)) |
299 | r--; |
256 | r--; |
300 | |
257 | |
301 | #if 0 |
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302 | /* skip matching leading/trailing quotes */ |
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303 | if (*s == '"' && *r == '"' && n > 1) |
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304 | { |
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305 | s++; |
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306 | n -= 2; |
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307 | } |
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308 | #endif |
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309 | |
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310 | memmove (str, s, r + 1 - s); |
258 | memmove (str, s, r + 1 - s); |
311 | str[r + 1 - s] = 0; |
259 | str[r + 1 - s] = 0; |
312 | |
260 | |
313 | return str; |
261 | return str; |
314 | } |
262 | } |
… | |
… | |
325 | * "M-x" prefixed strings, append "\r" if needed |
273 | * "M-x" prefixed strings, append "\r" if needed |
326 | * "\E]" prefixed strings (XTerm escape sequence) append ST if needed |
274 | * "\E]" prefixed strings (XTerm escape sequence) append ST if needed |
327 | * |
275 | * |
328 | * returns the converted string length |
276 | * returns the converted string length |
329 | */ |
277 | */ |
330 | /* INTPROTO */ |
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331 | int |
278 | int |
332 | rxvt_Str_escaped (char *str) |
279 | rxvt_Str_escaped (char *str) NOTHROW |
333 | { |
280 | { |
334 | char ch, *s, *d; |
281 | char ch, *s, *d; |
335 | int i, num, append = 0; |
282 | int i, num, append = 0; |
336 | |
283 | |
337 | if (!str || !*str) |
284 | if (!str || !*str) |
… | |
… | |
402 | /* |
349 | /* |
403 | * Split a comma-separated string into an array, stripping leading and |
350 | * Split a comma-separated string into an array, stripping leading and |
404 | * trailing spaces from each entry. Empty strings are properly returned |
351 | * trailing spaces from each entry. Empty strings are properly returned |
405 | * Caller should free each entry and array when done |
352 | * Caller should free each entry and array when done |
406 | */ |
353 | */ |
407 | /* INTPROTO */ |
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408 | char ** |
354 | char ** |
409 | rxvt_splitcommastring (const char *cs) |
355 | rxvt_splitcommastring (const char *cs) NOTHROW |
410 | { |
356 | { |
411 | int l, n, p; |
357 | int l, n, p; |
412 | const char *s, *t; |
358 | const char *s, *t; |
413 | char **ret; |
359 | char **ret; |
414 | |
360 | |
… | |
… | |
435 | |
381 | |
436 | return ret; |
382 | return ret; |
437 | } |
383 | } |
438 | |
384 | |
439 | void |
385 | void |
440 | rxvt_freecommastring (char **cs) |
386 | rxvt_freecommastring (char **cs) NOTHROW |
441 | { |
387 | { |
442 | for (int i = 0; cs[i]; ++i) |
388 | for (int i = 0; cs[i]; ++i) |
443 | free (cs[i]); |
389 | free (cs[i]); |
444 | |
390 | |
445 | free (cs); |
391 | free (cs); |
446 | } |
392 | } |
447 | |
393 | |
448 | /*----------------------------------------------------------------------* |
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449 | * file searching |
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450 | */ |
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451 | |
394 | |
452 | /* #define DEBUG_SEARCH_PATH */ |
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453 | |
395 | |
454 | #if defined (XPM_BACKGROUND) || (MENUBAR_MAX) |
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455 | /* |
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456 | * search for FILE in the current working directory, and within the |
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457 | * colon-delimited PATHLIST, adding the file extension EXT if required. |
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458 | * |
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459 | * FILE is either semi-colon or zero terminated |
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460 | */ |
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461 | /* INTPROTO */ |
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462 | char * |
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463 | rxvt_File_search_path (const char *pathlist, const char *file, const char *ext) |
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464 | { |
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465 | int maxpath, len; |
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466 | const char *p, *path; |
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467 | char name[256]; |
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468 | |
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469 | if (!access (file, R_OK)) /* found (plain name) in current directory */ |
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470 | return strdup (file); |
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471 | |
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472 | /* semi-colon delimited */ |
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473 | if ((p = strchr (file, ';'))) |
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474 | len = (p - file); |
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475 | else |
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476 | len = strlen (file); |
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477 | |
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478 | #ifdef DEBUG_SEARCH_PATH |
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479 | getcwd (name, sizeof (name)); |
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480 | fprintf (stderr, "pwd: \"%s\"\n", name); |
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481 | fprintf (stderr, "find: \"%.*s\"\n", len, file); |
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482 | #endif |
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483 | |
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484 | /* leave room for an extra '/' and trailing '\0' */ |
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485 | maxpath = sizeof (name) - (len + (ext ? strlen (ext) : 0) + 2); |
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486 | if (maxpath <= 0) |
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487 | return NULL; |
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488 | |
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489 | /* check if we can find it now */ |
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490 | strncpy (name, file, len); |
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491 | name[len] = '\0'; |
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492 | |
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493 | if (!access (name, R_OK)) |
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494 | return strdup (name); |
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495 | if (ext) |
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496 | { |
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497 | strcat (name, ext); |
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498 | if (!access (name, R_OK)) |
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499 | return strdup (name); |
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500 | } |
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501 | for (path = pathlist; path != NULL && *path != '\0'; path = p) |
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502 | { |
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503 | int n; |
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504 | |
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505 | /* colon delimited */ |
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506 | if ((p = strchr (path, ':')) == NULL) |
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507 | p = strchr (path, '\0'); |
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508 | |
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509 | n = (p - path); |
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510 | if (*p != '\0') |
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511 | p++; |
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512 | |
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513 | if (n > 0 && n <= maxpath) |
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514 | { |
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515 | strncpy (name, path, n); |
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516 | if (name[n - 1] != '/') |
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517 | name[n++] = '/'; |
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518 | name[n] = '\0'; |
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519 | strncat (name, file, len); |
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520 | |
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521 | if (!access (name, R_OK)) |
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522 | return strdup (name); |
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523 | if (ext) |
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524 | { |
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525 | strcat (name, ext); |
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526 | if (!access (name, R_OK)) |
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527 | return strdup (name); |
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528 | } |
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529 | } |
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530 | } |
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531 | return NULL; |
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532 | } |
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533 | |
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534 | /* INTPROTO */ |
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535 | char * |
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536 | rxvt_File_find (const char *file, const char *ext, const char *path) |
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537 | { |
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538 | char *f; |
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539 | |
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540 | if (file == NULL || *file == '\0') |
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541 | return NULL; |
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542 | |
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543 | /* search environment variables here too */ |
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544 | if ((f = rxvt_File_search_path (path, file, ext)) == NULL) |
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545 | #ifdef PATH_ENV |
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546 | if ((f = rxvt_File_search_path (getenv (PATH_ENV), file, ext)) == NULL) |
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547 | #endif |
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548 | f = rxvt_File_search_path (getenv ("PATH"), file, ext); |
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549 | |
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550 | #ifdef DEBUG_SEARCH_PATH |
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551 | if (f) |
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552 | fprintf (stderr, "found: \"%s\"\n", f); |
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553 | #endif |
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554 | |
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555 | return f; |
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556 | } |
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557 | #endif /* defined (XPM_BACKGROUND) || (MENUBAR_MAX) */ |
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558 | |
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559 | /*----------------------------------------------------------------------* |
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560 | * miscellaneous drawing routines |
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561 | */ |
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562 | |
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563 | /* |
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564 | * Draw top/left and bottom/right border shadows around windows |
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565 | */ |
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566 | #if defined(RXVT_SCROLLBAR) || defined(MENUBAR) |
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567 | /* INTPROTO */ |
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568 | void |
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569 | rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h) |
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570 | { |
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571 | int shadow; |
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572 | |
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573 | shadow = (w == 0 || h == 0) ? 1 : SHADOW; |
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574 | w += x - 1; |
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575 | h += y - 1; |
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576 | for (; shadow-- > 0; x++, y++, w--, h--) |
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577 | { |
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578 | XDrawLine (display, win, topShadow, x, y, w, y); |
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579 | XDrawLine (display, win, topShadow, x, y, x, h); |
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580 | XDrawLine (display, win, botShadow, w, h, w, y + 1); |
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581 | XDrawLine (display, win, botShadow, w, h, x + 1, h); |
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582 | } |
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583 | } |
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584 | #endif |
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585 | |
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586 | /* button shapes */ |
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587 | #ifdef MENUBAR |
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588 | /* INTPROTO */ |
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589 | void |
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590 | rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type) |
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591 | { |
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592 | switch (type) |
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593 | { |
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594 | case 'r': /* right triangle */ |
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595 | XDrawLine (display, win, topShadow, x, y, x, y + w); |
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596 | XDrawLine (display, win, topShadow, x, y, x + w, y + w / 2); |
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597 | XDrawLine (display, win, botShadow, x, y + w, x + w, y + w / 2); |
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598 | break; |
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599 | |
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600 | case 'l': /* left triangle */ |
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601 | XDrawLine (display, win, botShadow, x + w, y + w, x + w, y); |
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602 | XDrawLine (display, win, botShadow, x + w, y + w, x, y + w / 2); |
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603 | XDrawLine (display, win, topShadow, x, y + w / 2, x + w, y); |
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604 | break; |
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605 | |
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606 | case 'd': /* down triangle */ |
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607 | XDrawLine (display, win, topShadow, x, y, x + w / 2, y + w); |
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608 | XDrawLine (display, win, topShadow, x, y, x + w, y); |
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609 | XDrawLine (display, win, botShadow, x + w, y, x + w / 2, y + w); |
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610 | break; |
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611 | |
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612 | case 'u': /* up triangle */ |
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613 | XDrawLine (display, win, botShadow, x + w, y + w, x + w / 2, y); |
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614 | XDrawLine (display, win, botShadow, x + w, y + w, x, y + w); |
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615 | XDrawLine (display, win, topShadow, x, y + w, x + w / 2, y); |
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616 | break; |
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617 | #if 0 |
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618 | case 's': /* square */ |
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619 | XDrawLine (display, win, topShadow, x + w, y, x, y); |
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620 | XDrawLine (display, win, topShadow, x, y, x, y + w); |
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621 | XDrawLine (display, win, botShadow, x, y + w, x + w, y + w); |
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622 | XDrawLine (display, win, botShadow, x + w, y + w, x + w, y); |
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623 | break; |
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624 | #endif |
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625 | |
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626 | } |
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627 | } |
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628 | #endif |
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629 | /*----------------------- end-of-file (C source) -----------------------*/ |
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