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Comparing rxvt-unicode/src/misc.C (file contents):
Revision 1.10 by pcg, Sat Mar 6 00:05:01 2004 UTC vs.
Revision 1.31 by root, Fri Jan 6 20:50:58 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
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>
… …
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 */
29 28
30/* EXTPROTO */
31char * 29char *
32rxvt_wcstombs (const wchar_t *str, int len) 30rxvt_wcstombs (const wchar_t *str, int len)
33{ 31{
32 if (len < 0) len = wcslen (str);
33
34 mbstate mbs; 34 mbstate mbs;
35 char *r = (char *)rxvt_malloc (len * MB_CUR_MAX + 1); 35 char *r = (char *)rxvt_malloc (len * MB_CUR_MAX + 1);
36 36
37 char *dst = r; 37 char *dst = r;
38 while (len--) 38 while (len--)
39 { 39 {
40 int l = wcrtomb (dst, *str++, mbs); 40 ssize_t l = wcrtomb (dst, *str++, mbs);
41
41 if (l < 0) 42 if (l < 0)
42 *dst++ = '?'; 43 *dst++ = '?';
43 else 44 else
44 dst += l; 45 dst += l;
45 } 46 }
46 47
47 *dst++ = 0; 48 *dst++ = 0;
48 49
50 return (char *)rxvt_realloc (r, dst - r);
51}
52
53wchar_t *
54rxvt_mbstowcs (const char *str, int len)
55{
56 if (len < 0) len = strlen (str);
57
58 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t));
59
60 if ((ssize_t)mbstowcs (r, str, len + 1) < 0)
61 *r = 0;
62
49 return r; 63 return r;
50} 64}
51 65
52/* EXTPROTO */ 66char *
67rxvt_wcstoutf8 (const wchar_t *str, int len)
68{
69 if (len < 0) len = wcslen (str);
70
71 char *r = (char *)rxvt_malloc (len * 4 + 1);
72 char *p = r;
73
74 while (len--)
75 {
76 unicode_t w = *str++ & UNICODE_MASK;
77
78 if (w < 0x000080)
79 *p++ = w;
80 else if (w < 0x000800)
81 *p++ = 0xc0 | ( w >> 6),
82 *p++ = 0x80 | ( w & 0x3f);
83 else if (w < 0x010000)
84 *p++ = 0xe0 | ( w >> 12 ),
85 *p++ = 0x80 | ((w >> 6) & 0x3f),
86 *p++ = 0x80 | ( w & 0x3f);
87 else if (w < 0x110000)
88 *p++ = 0xf0 | ( w >> 18),
89 *p++ = 0x80 | ((w >> 12) & 0x3f),
90 *p++ = 0x80 | ((w >> 6) & 0x3f),
91 *p++ = 0x80 | ( w & 0x3f);
92 else
93 *p++ = '?';
94 }
95
96 *p++ = 0;
97
98 return (char *)rxvt_realloc (r, p - r);
99}
100
101wchar_t *
102rxvt_utf8towcs (const char *str, int len)
103{
104 if (len < 0) len = strlen (str);
105
106 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t)),
107 *p = r;
108
109 unsigned char *s = (unsigned char *)str,
110 *e = s + len;
111
112 for (;;)
113 {
114 len = e - s;
115
116 if (len == 0)
117 break;
118 else if (s[0] < 0x80)
119 *p++ = *s++;
120 else if (len >= 2
121 && s[0] >= 0xc2 && s[0] <= 0xdf
122 && (s[1] & 0xc0) == 0x80)
123 {
124 *p++ = ((s[0] & 0x1f) << 6)
125 | (s[1] & 0x3f);
126 s += 2;
127 }
128 else if (len >= 3
129 && ( (s[0] == 0xe0 && s[1] >= 0xa0 && s[1] <= 0xbf)
130 || (s[0] >= 0xe1 && s[0] <= 0xec && s[1] >= 0x80 && s[1] <= 0xbf)
131 || (s[0] == 0xed && s[1] >= 0x80 && s[1] <= 0x9f)
132 || (s[0] >= 0xee && s[0] <= 0xef && s[1] >= 0x80 && s[1] <= 0xbf)
133 )
134 && (s[2] & 0xc0) == 0x80)
135 {
136 *p++ = ((s[0] & 0x0f) << 12)
137 | ((s[1] & 0x3f) << 6)
138 | (s[2] & 0x3f);
139 s += 3;
140 }
141 else if (len >= 4
142 && ( (s[0] == 0xf0 && s[1] >= 0x90 && s[1] <= 0xbf)
143 || (s[0] >= 0xf1 && s[0] <= 0xf3 && s[1] >= 0x80 && s[1] <= 0xbf)
144 || (s[0] == 0xf4 && s[1] >= 0x80 && s[1] <= 0x8f)
145 )
146 && (s[2] & 0xc0) == 0x80
147 && (s[3] & 0xc0) == 0x80)
148 {
149 *p++ = ((s[0] & 0x07) << 18)
150 | ((s[1] & 0x3f) << 12)
151 | ((s[2] & 0x3f) << 6)
152 | (s[3] & 0x3f);
153 s += 4;
154 }
155 else
156 {
157 *p++ = 0xfffd;
158 s++;
159 }
160 }
161
162 *p = 0;
163
164 return r;
165}
166
53char * 167char *
54rxvt_strdup (const char *str) 168rxvt_strdup (const char *str)
55{ 169{
56 return str ? strdup (str) : 0; 170 return str ? strdup (str) : 0;
57} 171}
58 172
59/* EXTPROTO */
60char * 173char *
61rxvt_r_basename (const char *str) 174rxvt_r_basename (const char *str)
62{ 175{
63 char *base = STRRCHR (str, '/'); 176 char *base = strrchr (str, '/');
64 177
65 return (char *) (base ? base + 1 : str); 178 return (char *) (base ? base + 1 : str);
66} 179}
67 180
68/* 181/*
69 * Print an error message 182 * Print an error message
70 */ 183 */
71/* EXTPROTO */
72void 184void
185rxvt_vlog (const char *fmt, va_list arg_ptr)
186{
187 char msg[1024];
188
189 vsnprintf (msg, sizeof msg, fmt, arg_ptr);
190
191 if (GET_R && GET_R->log_hook)
192 (*GET_R->log_hook) (msg);
193 else
194 write (STDOUT_FILENO, msg, strlen (msg));
195}
196
197void
73rxvt_print_error (const char *fmt,...) 198rxvt_log (const char *fmt,...)
74{ 199{
75 va_list arg_ptr; 200 va_list arg_ptr;
76 201
77 va_start (arg_ptr, fmt); 202 va_start (arg_ptr, fmt);
78 fprintf (stderr, RESNAME ": "); 203 rxvt_vlog (fmt, arg_ptr);
79 vfprintf (stderr, fmt, arg_ptr);
80 fprintf (stderr, "\n");
81 va_end (arg_ptr); 204 va_end (arg_ptr);
205}
206
207/*
208 * Print an error message
209 */
210void
211rxvt_warn (const char *fmt,...)
212{
213 va_list arg_ptr;
214
215 rxvt_log ("%s: ", RESNAME);
216
217 va_start (arg_ptr, fmt);
218 rxvt_vlog (fmt, arg_ptr);
219 va_end (arg_ptr);
220}
221
222void
223rxvt_fatal (const char *fmt,...)
224{
225 va_list arg_ptr;
226
227 rxvt_log ("%s: ", RESNAME);
228
229 va_start (arg_ptr, fmt);
230 rxvt_vlog (fmt, arg_ptr);
231 va_end (arg_ptr);
232
233 rxvt_exit_failure ();
234}
235
236class rxvt_failure_exception rxvt_failure_exception;
237
238void
239rxvt_exit_failure ()
240{
241 throw (rxvt_failure_exception);
82} 242}
83 243
84/* 244/*
85 * check that the first characters of S1 match S2 245 * check that the first characters of S1 match S2
86 * 246 *
87 * No Match 247 * No Match
88 * return: 0 248 * return: 0
89 * Match 249 * Match
90 * return: STRLEN (S2) 250 * return: strlen (S2)
91 */ 251 */
92/* EXTPROTO */
93int 252int
94rxvt_Str_match (const char *s1, const char *s2) 253rxvt_Str_match (const char *s1, const char *s2)
95{ 254{
96 int n = STRLEN (s2); 255 int n = strlen (s2);
97 256
98 return ((STRNCMP (s1, s2, n) == 0) ? n : 0); 257 return ((strncmp (s1, s2, n) == 0) ? n : 0);
99} 258}
100 259
101/* EXTPROTO */
102const char * 260const char *
103rxvt_Str_skip_space (const char *str) 261rxvt_Str_skip_space (const char *str)
104{ 262{
105 if (str) 263 if (str)
106 while (*str && isspace (*str)) 264 while (*str && isspace (*str))
… …
111 269
112/* 270/*
113 * remove leading/trailing space and strip-off leading/trailing quotes. 271 * remove leading/trailing space and strip-off leading/trailing quotes.
114 * in place. 272 * in place.
115 */ 273 */
116/* EXTPROTO */
117char * 274char *
118rxvt_Str_trim (char *str) 275rxvt_Str_trim (char *str)
119{ 276{
120 char *r, *s; 277 char *r, *s;
121 int n;
122 278
123 if (!str || !*str) /* shortcut */ 279 if (!str || !*str) /* shortcut */
124 return str; 280 return str;
125 281
126 /* skip leading spaces */ 282 /* skip leading spaces */
127 for (s = str; *s && isspace (*s); s++) ; 283 for (s = str; *s && isspace (*s); s++) ;
284
128 /* goto end of string */ 285 /* goto end of string */
129 for (n = 0, r = s; *r++; n++) ; 286 r = s + strlen (s) - 1;
130 r -= 2; 287
131 /* dump return */ 288 /* dump return and other trailing whitespace */
132 if (n > 0 && *r == '\n') 289 while (r > s && isspace (*r))
133 n--, r--; 290 r--;
134 /* backtrack along trailing spaces */ 291
135 for (; n > 0 && isspace (*r); r--, n--) ; 292#if 0
136 /* skip matching leading/trailing quotes */ 293 /* skip matching leading/trailing quotes */
137 if (*s == '"' && *r == '"' && n > 1) 294 if (*s == '"' && *r == '"' && n > 1)
138 { 295 {
139 s++; 296 s++;
140 n -= 2; 297 n -= 2;
141 } 298 }
299#endif
142 300
143 /* copy back over: forwards copy */ 301 memmove (str, s, r + 1 - s);
144 for (r = str; n; n--) 302 str[r + 1 - s] = 0;
145 *r++ = *s++;
146 *r = '\0';
147 303
148 return str; 304 return str;
149} 305}
150 306
151/* 307/*
… …
160 * "M-x" prefixed strings, append "\r" if needed 316 * "M-x" prefixed strings, append "\r" if needed
161 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed 317 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed
162 * 318 *
163 * returns the converted string length 319 * returns the converted string length
164 */ 320 */
165/* EXTPROTO */
166int 321int
167rxvt_Str_escaped (char *str) 322rxvt_Str_escaped (char *str)
168{ 323{
169 char ch, *s, *d; 324 char ch, *s, *d;
170 int i, num, append = 0; 325 int i, num, append = 0;
… …
234 return (d - str); 389 return (d - str);
235} 390}
236 391
237/* 392/*
238 * Split a comma-separated string into an array, stripping leading and 393 * Split a comma-separated string into an array, stripping leading and
239 * trailing spaces (and paired quotes) from each entry. Empty strings 394 * trailing spaces from each entry. Empty strings are properly returned
240 * are properly returned
241 * Caller should free each entry and array when done 395 * Caller should free each entry and array when done
242 */ 396 */
243/* EXTPROTO */
244char ** 397char **
245rxvt_splitcommastring (const char *cs) 398rxvt_splitcommastring (const char *cs)
246{ 399{
247 int l, n, p; 400 int l, n, p;
248 const char *s, *t; 401 const char *s, *t;
… …
252 s = ""; 405 s = "";
253 406
254 for (n = 1, t = s; *t; t++) 407 for (n = 1, t = s; *t; t++)
255 if (*t == ',') 408 if (*t == ',')
256 n++; 409 n++;
410
257 ret = (char **)malloc ((n + 1) * sizeof (char *)); 411 ret = (char **)malloc ((n + 1) * sizeof (char *));
258 ret[n] = NULL; 412 ret[n] = NULL;
259 413
260 for (l = 0, t = s; l < n; l++) 414 for (l = 0, t = s; l < n; l++)
261 { 415 {
… …
265 strncpy (ret[l], s, p); 419 strncpy (ret[l], s, p);
266 ret[l][p] = '\0'; 420 ret[l][p] = '\0';
267 rxvt_Str_trim (ret[l]); 421 rxvt_Str_trim (ret[l]);
268 s = ++t; 422 s = ++t;
269 } 423 }
424
270 return ret; 425 return ret;
426}
427
428void
429rxvt_freecommastring (char **cs)
430{
431 for (int i = 0; cs[i]; ++i)
432 free (cs[i]);
433
434 free (cs);
271} 435}
272 436
273/*----------------------------------------------------------------------* 437/*----------------------------------------------------------------------*
274 * file searching 438 * file searching
275 */ 439 */
… …
281 * search for FILE in the current working directory, and within the 445 * search for FILE in the current working directory, and within the
282 * colon-delimited PATHLIST, adding the file extension EXT if required. 446 * colon-delimited PATHLIST, adding the file extension EXT if required.
283 * 447 *
284 * FILE is either semi-colon or zero terminated 448 * FILE is either semi-colon or zero terminated
285 */ 449 */
286/* INTPROTO */
287char * 450char *
288rxvt_File_search_path (const char *pathlist, const char *file, const char *ext) 451rxvt_File_search_path (const char *pathlist, const char *file, const char *ext)
289{ 452{
290 int maxpath, len; 453 int maxpath, len;
291 const char *p, *path; 454 const char *p, *path;
292 char name[256]; 455 char name[256];
293 456
294 if (!access (file, R_OK)) /* found (plain name) in current directory */ 457 if (!access (file, R_OK)) /* found (plain name) in current directory */
295 return STRDUP (file); 458 return strdup (file);
296 459
297 /* semi-colon delimited */ 460 /* semi-colon delimited */
298 if ((p = STRCHR (file, ';'))) 461 if ((p = strchr (file, ';')))
299 len = (p - file); 462 len = (p - file);
300 else 463 else
301 len = STRLEN (file); 464 len = strlen (file);
302 465
303#ifdef DEBUG_SEARCH_PATH 466#ifdef DEBUG_SEARCH_PATH
304 getcwd (name, sizeof (name)); 467 getcwd (name, sizeof (name));
305 fprintf (stderr, "pwd: \"%s\"\n", name); 468 fprintf (stderr, "pwd: \"%s\"\n", name);
306 fprintf (stderr, "find: \"%.*s\"\n", len, file); 469 fprintf (stderr, "find: \"%.*s\"\n", len, file);
307#endif 470#endif
308 471
309 /* leave room for an extra '/' and trailing '\0' */ 472 /* leave room for an extra '/' and trailing '\0' */
310 maxpath = sizeof (name) - (len + (ext ? STRLEN (ext) : 0) + 2); 473 maxpath = sizeof (name) - (len + (ext ? strlen (ext) : 0) + 2);
311 if (maxpath <= 0) 474 if (maxpath <= 0)
312 return NULL; 475 return NULL;
313 476
314 /* check if we can find it now */ 477 /* check if we can find it now */
315 STRNCPY (name, file, len); 478 strncpy (name, file, len);
316 name[len] = '\0'; 479 name[len] = '\0';
317 480
318 if (!access (name, R_OK)) 481 if (!access (name, R_OK))
319 return STRDUP (name); 482 return strdup (name);
320 if (ext) 483 if (ext)
321 { 484 {
322 STRCAT (name, ext); 485 strcat (name, ext);
323 if (!access (name, R_OK)) 486 if (!access (name, R_OK))
324 return STRDUP (name); 487 return strdup (name);
325 } 488 }
326 for (path = pathlist; path != NULL && *path != '\0'; path = p) 489 for (path = pathlist; path != NULL && *path != '\0'; path = p)
327 { 490 {
328 int n; 491 int n;
329 492
330 /* colon delimited */ 493 /* colon delimited */
331 if ((p = STRCHR (path, ':')) == NULL) 494 if ((p = strchr (path, ':')) == NULL)
332 p = STRCHR (path, '\0'); 495 p = strchr (path, '\0');
333 496
334 n = (p - path); 497 n = (p - path);
335 if (*p != '\0') 498 if (*p != '\0')
336 p++; 499 p++;
337 500
338 if (n > 0 && n <= maxpath) 501 if (n > 0 && n <= maxpath)
339 { 502 {
340 STRNCPY (name, path, n); 503 strncpy (name, path, n);
341 if (name[n - 1] != '/') 504 if (name[n - 1] != '/')
342 name[n++] = '/'; 505 name[n++] = '/';
343 name[n] = '\0'; 506 name[n] = '\0';
344 STRNCAT (name, file, len); 507 strncat (name, file, len);
345 508
346 if (!access (name, R_OK)) 509 if (!access (name, R_OK))
347 return STRDUP (name); 510 return strdup (name);
348 if (ext) 511 if (ext)
349 { 512 {
350 STRCAT (name, ext); 513 strcat (name, ext);
351 if (!access (name, R_OK)) 514 if (!access (name, R_OK))
352 return STRDUP (name); 515 return strdup (name);
353 } 516 }
354 } 517 }
355 } 518 }
356 return NULL; 519 return NULL;
357} 520}
358 521
359/* EXTPROTO */
360char * 522char *
361rxvt_File_find (const char *file, const char *ext, const char *path) 523rxvt_File_find (const char *file, const char *ext, const char *path)
362{ 524{
363 char *f; 525 char *f;
364 526
… …
387 549
388/* 550/*
389 * Draw top/left and bottom/right border shadows around windows 551 * Draw top/left and bottom/right border shadows around windows
390 */ 552 */
391#if defined(RXVT_SCROLLBAR) || defined(MENUBAR) 553#if defined(RXVT_SCROLLBAR) || defined(MENUBAR)
392/* EXTPROTO */
393void 554void
394rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h) 555rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
395{ 556{
396 int shadow; 557 int shadow;
397 558
398 shadow = (w == 0 || h == 0) ? 1 : SHADOW; 559 shadow = (w == 0 || h == 0) ? 1 : MENU_SHADOW;
399 w += x - 1; 560 w += x - 1;
400 h += y - 1; 561 h += y - 1;
401 for (; shadow-- > 0; x++, y++, w--, h--) 562 for (; shadow-- > 0; x++, y++, w--, h--)
402 { 563 {
403 XDrawLine (display, win, topShadow, x, y, w, y); 564 XDrawLine (display, win, topShadow, x, y, w, y);
… …
408} 569}
409#endif 570#endif
410 571
411/* button shapes */ 572/* button shapes */
412#ifdef MENUBAR 573#ifdef MENUBAR
413/* EXTPROTO */
414void 574void
415rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type) 575rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type)
416{ 576{
417 switch (type) 577 switch (type)
418 { 578 {
… …
449#endif 609#endif
450 610
451 } 611 }
452} 612}
453#endif 613#endif
614
615// should not be used in interactive programs, for obvious reasons
616void rxvt_usleep (int usecs)
617{
618#if HAVE_NANOSLEEP
619 struct timespec ts;
620
621 ts.tv_sec = 0;
622 ts.tv_nsec = usecs * 1000;
623 nanosleep (&ts, NULL);
624#else
625 /* use select for timing */
626 struct timeval tv;
627
628 tv.tv_sec = 0;
629 tv.tv_usec = usecs;
630 select (0, NULL, NULL, NULL, &tv);
631#endif
632}
633
454/*----------------------- end-of-file (C source) -----------------------*/ 634/*----------------------- end-of-file (C source) -----------------------*/
635

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