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 | |
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 | char * |
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174 | rxvt_r_basename (const char *str) |
168 | rxvt_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 | */ |
184 | void |
178 | void |
185 | rxvt_vlog (const char *fmt, va_list arg_ptr) |
179 | rxvt_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 | |
197 | void |
191 | void |
198 | rxvt_log (const char *fmt,...) |
192 | rxvt_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 | */ |
210 | void |
204 | void |
211 | rxvt_warn (const char *fmt,...) |
205 | rxvt_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 | |
222 | void |
216 | void |
223 | rxvt_fatal (const char *fmt,...) |
217 | rxvt_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 | |
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230 | void |
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231 | rxvt_exit_failure () THROW ((class rxvt_failure_exception)) |
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232 | { |
236 | class rxvt_failure_exception rxvt_failure_exception; |
233 | static class rxvt_failure_exception rxvt_failure_exception; |
237 | |
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238 | void |
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239 | rxvt_exit_failure () |
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240 | { |
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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 | * remove leading/trailing space in place. |
246 | * |
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247 | * No Match |
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248 | * return: 0 |
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249 | * Match |
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250 | * return: strlen (S2) |
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251 | */ |
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252 | int |
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253 | rxvt_Str_match (const char *s1, const char *s2) |
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254 | { |
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255 | int n = strlen (s2); |
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256 | |
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257 | return ((strncmp (s1, s2, n) == 0) ? n : 0); |
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258 | } |
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259 | |
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260 | const char * |
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261 | rxvt_Str_skip_space (const char *str) |
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262 | { |
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263 | if (str) |
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264 | while (*str && isspace (*str)) |
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265 | str++; |
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266 | |
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267 | return str; |
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268 | } |
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269 | |
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270 | /* |
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271 | * remove leading/trailing space and strip-off leading/trailing quotes. |
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272 | * in place. |
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273 | */ |
239 | */ |
274 | char * |
240 | char * |
275 | rxvt_Str_trim (char *str) |
241 | rxvt_Str_trim (char *str) NOTHROW |
276 | { |
242 | { |
277 | char *r, *s; |
243 | char *r, *s; |
278 | |
244 | |
279 | if (!str || !*str) /* shortcut */ |
245 | if (!str || !*str) /* shortcut */ |
280 | return str; |
246 | return str; |
… | |
… | |
287 | |
253 | |
288 | /* dump return and other trailing whitespace */ |
254 | /* dump return and other trailing whitespace */ |
289 | while (r > s && isspace (*r)) |
255 | while (r > s && isspace (*r)) |
290 | r--; |
256 | r--; |
291 | |
257 | |
292 | #if 0 |
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293 | /* skip matching leading/trailing quotes */ |
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294 | if (*s == '"' && *r == '"' && n > 1) |
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295 | { |
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296 | s++; |
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297 | n -= 2; |
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298 | } |
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299 | #endif |
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300 | |
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301 | memmove (str, s, r + 1 - s); |
258 | memmove (str, s, r + 1 - s); |
302 | str[r + 1 - s] = 0; |
259 | str[r + 1 - s] = 0; |
303 | |
260 | |
304 | return str; |
261 | return str; |
305 | } |
262 | } |
… | |
… | |
317 | * "\E]" prefixed strings (XTerm escape sequence) append ST if needed |
274 | * "\E]" prefixed strings (XTerm escape sequence) append ST if needed |
318 | * |
275 | * |
319 | * returns the converted string length |
276 | * returns the converted string length |
320 | */ |
277 | */ |
321 | int |
278 | int |
322 | rxvt_Str_escaped (char *str) |
279 | rxvt_Str_escaped (char *str) NOTHROW |
323 | { |
280 | { |
324 | char ch, *s, *d; |
281 | char ch, *s, *d; |
325 | int i, num, append = 0; |
282 | int i, num, append = 0; |
326 | |
283 | |
327 | if (!str || !*str) |
284 | if (!str || !*str) |
… | |
… | |
393 | * Split a comma-separated string into an array, stripping leading and |
350 | * Split a comma-separated string into an array, stripping leading and |
394 | * trailing spaces from each entry. Empty strings are properly returned |
351 | * trailing spaces from each entry. Empty strings are properly returned |
395 | * Caller should free each entry and array when done |
352 | * Caller should free each entry and array when done |
396 | */ |
353 | */ |
397 | char ** |
354 | char ** |
398 | rxvt_splitcommastring (const char *cs) |
355 | rxvt_splitcommastring (const char *cs) NOTHROW |
399 | { |
356 | { |
400 | int l, n, p; |
357 | int l, n, p; |
401 | const char *s, *t; |
358 | const char *s, *t; |
402 | char **ret; |
359 | char **ret; |
403 | |
360 | |
… | |
… | |
424 | |
381 | |
425 | return ret; |
382 | return ret; |
426 | } |
383 | } |
427 | |
384 | |
428 | void |
385 | void |
429 | rxvt_freecommastring (char **cs) |
386 | rxvt_freecommastring (char **cs) NOTHROW |
430 | { |
387 | { |
431 | for (int i = 0; cs[i]; ++i) |
388 | for (int i = 0; cs[i]; ++i) |
432 | free (cs[i]); |
389 | free (cs[i]); |
433 | |
390 | |
434 | free (cs); |
391 | free (cs); |
435 | } |
392 | } |
436 | |
393 | |
437 | /*----------------------------------------------------------------------* |
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438 | * file searching |
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439 | */ |
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440 | |
394 | |
441 | /* #define DEBUG_SEARCH_PATH */ |
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442 | |
395 | |
443 | #if defined (XPM_BACKGROUND) || (MENUBAR_MAX) |
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444 | /* |
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445 | * search for FILE in the current working directory, and within the |
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446 | * colon-delimited PATHLIST, adding the file extension EXT if required. |
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447 | * |
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448 | * FILE is either semi-colon or zero terminated |
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449 | */ |
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450 | char * |
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451 | rxvt_File_search_path (const char *pathlist, const char *file, const char *ext) |
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452 | { |
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453 | int maxpath, len; |
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454 | const char *p, *path; |
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455 | char name[256]; |
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456 | |
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457 | if (!access (file, R_OK)) /* found (plain name) in current directory */ |
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458 | return strdup (file); |
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459 | |
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460 | /* semi-colon delimited */ |
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461 | if ((p = strchr (file, ';'))) |
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462 | len = (p - file); |
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463 | else |
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464 | len = strlen (file); |
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465 | |
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466 | #ifdef DEBUG_SEARCH_PATH |
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467 | getcwd (name, sizeof (name)); |
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468 | fprintf (stderr, "pwd: \"%s\"\n", name); |
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469 | fprintf (stderr, "find: \"%.*s\"\n", len, file); |
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470 | #endif |
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471 | |
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472 | /* leave room for an extra '/' and trailing '\0' */ |
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473 | maxpath = sizeof (name) - (len + (ext ? strlen (ext) : 0) + 2); |
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474 | if (maxpath <= 0) |
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475 | return NULL; |
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476 | |
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477 | /* check if we can find it now */ |
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478 | strncpy (name, file, len); |
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479 | name[len] = '\0'; |
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480 | |
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481 | if (!access (name, R_OK)) |
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482 | return strdup (name); |
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483 | if (ext) |
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484 | { |
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485 | strcat (name, ext); |
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486 | if (!access (name, R_OK)) |
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487 | return strdup (name); |
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488 | } |
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489 | for (path = pathlist; path != NULL && *path != '\0'; path = p) |
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490 | { |
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491 | int n; |
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492 | |
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493 | /* colon delimited */ |
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494 | if ((p = strchr (path, ':')) == NULL) |
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495 | p = strchr (path, '\0'); |
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496 | |
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497 | n = (p - path); |
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498 | if (*p != '\0') |
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499 | p++; |
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500 | |
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501 | if (n > 0 && n <= maxpath) |
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502 | { |
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503 | strncpy (name, path, n); |
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504 | if (name[n - 1] != '/') |
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505 | name[n++] = '/'; |
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506 | name[n] = '\0'; |
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507 | strncat (name, file, len); |
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508 | |
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509 | if (!access (name, R_OK)) |
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510 | return strdup (name); |
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511 | if (ext) |
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512 | { |
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513 | strcat (name, ext); |
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514 | if (!access (name, R_OK)) |
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515 | return strdup (name); |
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516 | } |
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517 | } |
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518 | } |
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519 | return NULL; |
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520 | } |
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521 | |
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522 | char * |
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523 | rxvt_File_find (const char *file, const char *ext, const char *path) |
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524 | { |
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525 | char *f; |
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526 | |
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527 | if (file == NULL || *file == '\0') |
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528 | return NULL; |
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529 | |
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530 | /* search environment variables here too */ |
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531 | if ((f = rxvt_File_search_path (path, file, ext)) == NULL) |
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532 | #ifdef PATH_ENV |
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533 | if ((f = rxvt_File_search_path (getenv (PATH_ENV), file, ext)) == NULL) |
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534 | #endif |
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535 | f = rxvt_File_search_path (getenv ("PATH"), file, ext); |
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536 | |
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537 | #ifdef DEBUG_SEARCH_PATH |
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538 | if (f) |
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539 | fprintf (stderr, "found: \"%s\"\n", f); |
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540 | #endif |
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541 | |
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542 | return f; |
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543 | } |
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544 | #endif /* defined (XPM_BACKGROUND) || (MENUBAR_MAX) */ |
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545 | |
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546 | /*----------------------------------------------------------------------* |
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547 | * miscellaneous drawing routines |
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548 | */ |
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549 | |
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550 | /* |
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551 | * Draw top/left and bottom/right border shadows around windows |
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552 | */ |
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553 | #if defined(RXVT_SCROLLBAR) || defined(MENUBAR) |
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554 | void |
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555 | rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h) |
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556 | { |
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557 | int shadow; |
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558 | |
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559 | shadow = (w == 0 || h == 0) ? 1 : MENU_SHADOW; |
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560 | w += x - 1; |
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561 | h += y - 1; |
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562 | for (; shadow-- > 0; x++, y++, w--, h--) |
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563 | { |
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564 | XDrawLine (display, win, topShadow, x, y, w, y); |
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565 | XDrawLine (display, win, topShadow, x, y, x, h); |
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566 | XDrawLine (display, win, botShadow, w, h, w, y + 1); |
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567 | XDrawLine (display, win, botShadow, w, h, x + 1, h); |
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568 | } |
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569 | } |
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570 | #endif |
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571 | |
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572 | /* button shapes */ |
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573 | #ifdef MENUBAR |
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574 | void |
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575 | rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type) |
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576 | { |
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577 | switch (type) |
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578 | { |
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579 | case 'r': /* right triangle */ |
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580 | XDrawLine (display, win, topShadow, x, y, x, y + w); |
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581 | XDrawLine (display, win, topShadow, x, y, x + w, y + w / 2); |
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582 | XDrawLine (display, win, botShadow, x, y + w, x + w, y + w / 2); |
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583 | break; |
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584 | |
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585 | case 'l': /* left triangle */ |
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586 | XDrawLine (display, win, botShadow, x + w, y + w, x + w, y); |
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587 | XDrawLine (display, win, botShadow, x + w, y + w, x, y + w / 2); |
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588 | XDrawLine (display, win, topShadow, x, y + w / 2, x + w, y); |
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589 | break; |
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590 | |
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591 | case 'd': /* down triangle */ |
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592 | XDrawLine (display, win, topShadow, x, y, x + w / 2, y + w); |
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593 | XDrawLine (display, win, topShadow, x, y, x + w, y); |
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594 | XDrawLine (display, win, botShadow, x + w, y, x + w / 2, y + w); |
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595 | break; |
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596 | |
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597 | case 'u': /* up triangle */ |
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598 | XDrawLine (display, win, botShadow, x + w, y + w, x + w / 2, y); |
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599 | XDrawLine (display, win, botShadow, x + w, y + w, x, y + w); |
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600 | XDrawLine (display, win, topShadow, x, y + w, x + w / 2, y); |
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601 | break; |
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602 | #if 0 |
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603 | case 's': /* square */ |
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604 | XDrawLine (display, win, topShadow, x + w, y, x, y); |
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605 | XDrawLine (display, win, topShadow, x, y, x, y + w); |
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606 | XDrawLine (display, win, botShadow, x, y + w, x + w, y + w); |
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607 | XDrawLine (display, win, botShadow, x + w, y + w, x + w, y); |
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608 | break; |
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609 | #endif |
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610 | |
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611 | } |
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612 | } |
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613 | #endif |
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614 | |
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615 | // should not be used in interactive programs, for obvious reasons |
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616 | void rxvt_usleep (int usecs) |
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617 | { |
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618 | #if HAVE_NANOSLEEP |
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619 | struct timespec ts; |
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620 | |
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621 | ts.tv_sec = 0; |
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622 | ts.tv_nsec = usecs * 1000; |
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623 | nanosleep (&ts, NULL); |
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624 | #else |
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625 | /* use select for timing */ |
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626 | struct timeval tv; |
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627 | |
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628 | tv.tv_sec = 0; |
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629 | tv.tv_usec = usecs; |
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630 | select (0, NULL, NULL, NULL, &tv); |
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631 | #endif |
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632 | } |
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633 | |
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634 | /*----------------------- end-of-file (C source) -----------------------*/ |
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635 | |
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