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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) 2003-2006 Marc Lehmann <pcg@goof.com> |
9 | * Copyright (c) 2003-2006 Marc Lehmann <schmorp@schmorp.de> |
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 3 of the License, or |
14 | * (at your option) any later version. |
14 | * (at your option) any later version. |
15 | * |
15 | * |
16 | * This program is distributed in the hope that it will be useful, |
16 | * This program is distributed in the hope that it will be useful, |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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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 | |
28 | |
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29 | #include <new> |
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30 | |
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31 | // alas new/delete cannot be specified as inline in C++11 (see 17.6.4.6) |
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32 | void * |
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33 | operator new (size_t s) |
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34 | { |
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35 | return rxvt_malloc (s); |
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36 | } |
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37 | |
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38 | void |
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39 | operator delete (void *p) noexcept |
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40 | { |
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41 | free (p); |
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42 | } |
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43 | |
29 | char * |
44 | char * |
30 | rxvt_wcstombs (const wchar_t *str, int len) |
45 | rxvt_wcstombs (const wchar_t *str, int len) |
31 | { |
46 | { |
32 | if (len < 0) len = wcslen (str); |
47 | if (len < 0) len = wcslen (str); |
33 | |
48 | |
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38 | while (len--) |
53 | while (len--) |
39 | { |
54 | { |
40 | ssize_t l = wcrtomb (dst, *str++, mbs); |
55 | ssize_t l = wcrtomb (dst, *str++, mbs); |
41 | |
56 | |
42 | if (l < 0) |
57 | if (l < 0) |
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58 | { |
43 | *dst++ = '?'; |
59 | *dst++ = '?'; |
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60 | wcrtomb (0, 0, mbs); // reset undefined state |
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61 | } |
44 | else |
62 | else |
45 | dst += l; |
63 | dst += l; |
46 | } |
64 | } |
47 | |
65 | |
48 | *dst++ = 0; |
66 | *dst++ = 0; |
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162 | *p = 0; |
180 | *p = 0; |
163 | |
181 | |
164 | return r; |
182 | return r; |
165 | } |
183 | } |
166 | |
184 | |
167 | char * |
185 | const char * |
168 | rxvt_basename (const char *str) NOTHROW |
186 | rxvt_basename (const char *str) noexcept |
169 | { |
187 | { |
170 | char *base = strrchr (str, '/'); |
188 | const char *base = strrchr (str, '/'); |
171 | |
189 | |
172 | return (char *) (base ? base + 1 : str); |
190 | return base ? base + 1 : str; |
173 | } |
191 | } |
174 | |
192 | |
175 | /* |
193 | /* |
176 | * Print an error message |
194 | * Print an error message |
177 | */ |
195 | */ |
178 | void |
196 | void |
179 | rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW |
197 | rxvt_vlog (const char *fmt, va_list arg_ptr) noexcept |
180 | { |
198 | { |
181 | char msg[1024]; |
199 | char msg[1024]; |
182 | |
200 | |
183 | vsnprintf (msg, sizeof msg, fmt, arg_ptr); |
201 | vsnprintf (msg, sizeof msg, fmt, arg_ptr); |
184 | |
202 | |
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187 | else |
205 | else |
188 | write (STDOUT_FILENO, msg, strlen (msg)); |
206 | write (STDOUT_FILENO, msg, strlen (msg)); |
189 | } |
207 | } |
190 | |
208 | |
191 | void |
209 | void |
192 | rxvt_log (const char *fmt,...) NOTHROW |
210 | rxvt_log (const char *fmt,...) noexcept |
193 | { |
211 | { |
194 | va_list arg_ptr; |
212 | va_list arg_ptr; |
195 | |
213 | |
196 | va_start (arg_ptr, fmt); |
214 | va_start (arg_ptr, fmt); |
197 | rxvt_vlog (fmt, arg_ptr); |
215 | rxvt_vlog (fmt, arg_ptr); |
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200 | |
218 | |
201 | /* |
219 | /* |
202 | * Print an error message |
220 | * Print an error message |
203 | */ |
221 | */ |
204 | void |
222 | void |
205 | rxvt_warn (const char *fmt,...) NOTHROW |
223 | rxvt_warn (const char *fmt,...) noexcept |
206 | { |
224 | { |
207 | va_list arg_ptr; |
225 | va_list arg_ptr; |
208 | |
226 | |
209 | rxvt_log ("%s: ", RESNAME); |
227 | rxvt_log ("%s: ", RESNAME); |
210 | |
228 | |
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212 | rxvt_vlog (fmt, arg_ptr); |
230 | rxvt_vlog (fmt, arg_ptr); |
213 | va_end (arg_ptr); |
231 | va_end (arg_ptr); |
214 | } |
232 | } |
215 | |
233 | |
216 | void |
234 | void |
217 | rxvt_fatal (const char *fmt,...) THROW ((class rxvt_failure_exception)) |
235 | rxvt_fatal (const char *fmt,...) |
218 | { |
236 | { |
219 | va_list arg_ptr; |
237 | va_list arg_ptr; |
220 | |
238 | |
221 | rxvt_log ("%s: ", RESNAME); |
239 | rxvt_log ("%s: ", RESNAME); |
222 | |
240 | |
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226 | |
244 | |
227 | rxvt_exit_failure (); |
245 | rxvt_exit_failure (); |
228 | } |
246 | } |
229 | |
247 | |
230 | void |
248 | void |
231 | rxvt_exit_failure () THROW ((class rxvt_failure_exception)) |
249 | rxvt_exit_failure () |
232 | { |
250 | { |
233 | static class rxvt_failure_exception rxvt_failure_exception; |
251 | static class rxvt_failure_exception rxvt_failure_exception; |
234 | throw (rxvt_failure_exception); |
252 | throw (rxvt_failure_exception); |
235 | } |
253 | } |
236 | |
254 | |
237 | /* |
255 | /* |
238 | * remove leading/trailing space in place. |
256 | * remove leading/trailing space in place. |
239 | */ |
257 | */ |
240 | char * |
258 | char * |
241 | rxvt_strtrim (char *str) NOTHROW |
259 | rxvt_strtrim (char *str) noexcept |
242 | { |
260 | { |
243 | char *r, *s; |
261 | char *r, *s; |
244 | |
262 | |
245 | if (!str || !*str) /* shortcut */ |
263 | if (!str || !*str) /* shortcut */ |
246 | return str; |
264 | return str; |
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260 | |
278 | |
261 | return str; |
279 | return str; |
262 | } |
280 | } |
263 | |
281 | |
264 | /* |
282 | /* |
265 | * Split a comma-separated string into an array, stripping leading and |
283 | * Split a string into an array based on the given delimiter, stripping leading and |
266 | * trailing spaces from each entry. Empty strings are properly returned |
284 | * trailing spaces from each entry. Empty strings are properly returned |
267 | */ |
285 | */ |
268 | char ** |
286 | char ** |
269 | rxvt_splitcommastring (const char *cs) NOTHROW |
287 | rxvt_strsplit (char delim, const char *str) noexcept |
270 | { |
288 | { |
271 | int l, n, p; |
289 | int l, n; |
272 | const char *s, *t; |
290 | char *s, *t; |
273 | char **ret; |
291 | char **ret; |
274 | |
292 | |
275 | if ((s = cs) == NULL) |
293 | s = strdup (str ? str : ""); |
276 | s = ""; |
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277 | |
294 | |
278 | for (n = 1, t = s; *t; t++) |
295 | for (n = 1, t = s; *t; t++) |
279 | if (*t == ',') |
296 | if (*t == delim) |
280 | n++; |
297 | n++; |
281 | |
298 | |
282 | ret = (char **)malloc ((n + 1) * sizeof (char *)); |
299 | ret = (char **)malloc ((n + 1) * sizeof (char *)); |
283 | ret[n] = NULL; |
300 | ret[n] = NULL; |
284 | |
301 | |
285 | for (l = 0, t = s; l < n; l++) |
302 | for (l = 0, t = s; l < n; l++) |
286 | { |
303 | { |
287 | for ( ; *t && *t != ','; t++) ; |
304 | for (; *t && *t != delim; t++) |
288 | p = t - s; |
305 | ; |
289 | ret[l] = (char *)malloc (p + 1); |
306 | *t = '\0'; |
290 | strncpy (ret[l], s, p); |
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291 | ret[l][p] = '\0'; |
307 | ret[l] = s; |
292 | rxvt_strtrim (ret[l]); |
308 | rxvt_strtrim (ret[l]); |
293 | s = ++t; |
309 | s = ++t; |
294 | } |
310 | } |
295 | |
311 | |
296 | return ret; |
312 | return ret; |
297 | } |
313 | } |
298 | |
314 | |
299 | void |
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300 | rxvt_freecommastring (char **cs) NOTHROW |
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301 | { |
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302 | for (int i = 0; cs[i]; ++i) |
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303 | free (cs[i]); |
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304 | |
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305 | free (cs); |
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306 | } |
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307 | |
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308 | void * |
315 | void * |
309 | rxvt_malloc (size_t size) |
316 | rxvt_malloc (size_t size) |
310 | { |
317 | { |
311 | void *p = malloc (size); |
318 | void *p = malloc (size); |
312 | |
319 | |
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335 | if (!p) |
342 | if (!p) |
336 | rxvt_fatal ("memory allocation failure. aborting.\n"); |
343 | rxvt_fatal ("memory allocation failure. aborting.\n"); |
337 | |
344 | |
338 | return p; |
345 | return p; |
339 | } |
346 | } |
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347 | |
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348 | KeySym |
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349 | rxvt_XKeycodeToKeysym (Display *dpy, KeyCode code, int index) |
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350 | { |
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351 | int size; |
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352 | KeySym *mapping = XGetKeyboardMapping (dpy, code, 1, &size); |
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353 | KeySym keysym = IN_RANGE_EXC (index, 0, size) ? mapping[index] : NoSymbol; |
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354 | XFree (mapping); |
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355 | return keysym; |
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356 | } |