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Comparing rxvt-unicode/src/misc.C (file contents):
Revision 1.48 by ayin, Tue Oct 23 21:54:42 2007 UTC vs.
Revision 1.59 by sf-exg, Wed Nov 12 12:12:02 2014 UTC

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
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
29#include <new>
30
31// alas new/delete cannot be specified as inline in C++11 (see 17.6.4.6)
32void *
33operator new (size_t s)
34#if !ECB_CPP11
35 throw (std::bad_alloc)
36#endif
37{
38 return rxvt_malloc (s);
39}
40
41void
42operator delete (void *p)
43#if ECB_CPP11
44 noexcept
45#else
46 throw ()
47#endif
48{
49 free (p);
50}
51
29char * 52char *
30rxvt_wcstombs (const wchar_t *str, int len) 53rxvt_wcstombs (const wchar_t *str, int len)
31{ 54{
32 if (len < 0) len = wcslen (str); 55 if (len < 0) len = wcslen (str);
33 56
38 while (len--) 61 while (len--)
39 { 62 {
40 ssize_t l = wcrtomb (dst, *str++, mbs); 63 ssize_t l = wcrtomb (dst, *str++, mbs);
41 64
42 if (l < 0) 65 if (l < 0)
66 {
43 *dst++ = '?'; 67 *dst++ = '?';
68 wcrtomb (0, 0, mbs); // reset undefined state
69 }
44 else 70 else
45 dst += l; 71 dst += l;
46 } 72 }
47 73
48 *dst++ = 0; 74 *dst++ = 0;
116 if (len == 0) 142 if (len == 0)
117 break; 143 break;
118 else if (s[0] < 0x80) 144 else if (s[0] < 0x80)
119 *p++ = *s++; 145 *p++ = *s++;
120 else if (len >= 2 146 else if (len >= 2
121 && s[0] >= 0xc2 && s[0] <= 0xdf 147 && s[0] >= 0xc2 && s[0] <= 0xdf
122 && (s[1] & 0xc0) == 0x80) 148 && (s[1] & 0xc0) == 0x80)
123 { 149 {
124 *p++ = ((s[0] & 0x1f) << 6) 150 *p++ = ((s[0] & 0x1f) << 6)
125 | (s[1] & 0x3f); 151 | (s[1] & 0x3f);
126 s += 2; 152 s += 2;
144 || (s[0] == 0xf4 && s[1] >= 0x80 && s[1] <= 0x8f) 170 || (s[0] == 0xf4 && s[1] >= 0x80 && s[1] <= 0x8f)
145 ) 171 )
146 && (s[2] & 0xc0) == 0x80 172 && (s[2] & 0xc0) == 0x80
147 && (s[3] & 0xc0) == 0x80) 173 && (s[3] & 0xc0) == 0x80)
148 { 174 {
149 *p++ = ((s[0] & 0x07) << 18) 175 *p++ = ((s[0] & 0x07) << 18)
150 | ((s[1] & 0x3f) << 12) 176 | ((s[1] & 0x3f) << 12)
151 | ((s[2] & 0x3f) << 6) 177 | ((s[2] & 0x3f) << 6)
152 | (s[3] & 0x3f); 178 | (s[3] & 0x3f);
153 s += 4; 179 s += 4;
154 } 180 }
155 else 181 else
156 { 182 {
162 *p = 0; 188 *p = 0;
163 189
164 return r; 190 return r;
165} 191}
166 192
167char * 193const char *
168rxvt_basename (const char *str) NOTHROW 194rxvt_basename (const char *str) NOTHROW
169{ 195{
170 char *base = strrchr (str, '/'); 196 const char *base = strrchr (str, '/');
171 197
172 return (char *) (base ? base + 1 : str); 198 return base ? base + 1 : str;
173} 199}
174 200
175/* 201/*
176 * Print an error message 202 * Print an error message
177 */ 203 */
260 286
261 return str; 287 return str;
262} 288}
263 289
264/* 290/*
265 * Split a comma-separated string into an array, stripping leading and 291 * 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 292 * trailing spaces from each entry. Empty strings are properly returned
267 */ 293 */
268char ** 294char **
269rxvt_splitcommastring (const char *cs) NOTHROW 295rxvt_strsplit (char delim, const char *str) NOTHROW
270{ 296{
271 int l, n, p; 297 int l, n;
272 const char *s, *t; 298 char *s, *t;
273 char **ret; 299 char **ret;
274 300
275 if ((s = cs) == NULL) 301 s = strdup (str ? str : "");
276 s = "";
277 302
278 for (n = 1, t = s; *t; t++) 303 for (n = 1, t = s; *t; t++)
279 if (*t == ',') 304 if (*t == delim)
280 n++; 305 n++;
281 306
282 ret = (char **)malloc ((n + 1) * sizeof (char *)); 307 ret = (char **)malloc ((n + 1) * sizeof (char *));
283 ret[n] = NULL; 308 ret[n] = NULL;
284 309
285 for (l = 0, t = s; l < n; l++) 310 for (l = 0, t = s; l < n; l++)
286 { 311 {
287 for ( ; *t && *t != ','; t++) ; 312 for (; *t && *t != delim; t++)
288 p = t - s; 313 ;
289 ret[l] = (char *)malloc (p + 1); 314 *t = '\0';
290 strncpy (ret[l], s, p);
291 ret[l][p] = '\0'; 315 ret[l] = s;
292 rxvt_strtrim (ret[l]); 316 rxvt_strtrim (ret[l]);
293 s = ++t; 317 s = ++t;
294 } 318 }
295 319
296 return ret; 320 return ret;
297} 321}
298 322
299void 323void *
300rxvt_freecommastring (char **cs) NOTHROW 324rxvt_malloc (size_t size)
301{ 325{
302 for (int i = 0; cs[i]; ++i) 326 void *p = malloc (size);
303 free (cs[i]);
304 327
305 free (cs); 328 if (!p)
306} 329 rxvt_fatal ("memory allocation failure. aborting.\n");
307 330
331 return p;
332}
308 333
334void *
335rxvt_calloc (size_t number, size_t size)
336{
337 void *p = calloc (number, size);
309 338
339 if (!p)
340 rxvt_fatal ("memory allocation failure. aborting.\n");
341
342 return p;
343}
344
345void *
346rxvt_realloc (void *ptr, size_t size)
347{
348 void *p = realloc (ptr, size);
349
350 if (!p)
351 rxvt_fatal ("memory allocation failure. aborting.\n");
352
353 return p;
354}
355
356KeySym
357rxvt_XKeycodeToKeysym (Display *dpy, KeyCode code, int index)
358{
359 int size;
360 KeySym *mapping = XGetKeyboardMapping (dpy, code, 1, &size);
361 KeySym keysym = IN_RANGE_EXC (index, 0, size) ? mapping[index] : NoSymbol;
362 XFree (mapping);
363 return keysym;
364}

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