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Comparing rxvt-unicode/src/misc.C (file contents):
Revision 1.9 by pcg, Wed Mar 3 04:07:52 2004 UTC vs.
Revision 1.20 by root, Mon Dec 13 06:44:18 2004 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>
… …
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 */ 28#include "misc.intpro" /* PROTOS for internal routines */
29 29
30/* EXTPROTO */ 30char *
31rxvt_wcstombs (const wchar_t *str, int len)
32{
33 if (len < 0) len = wcslen (str);
34
35 mbstate mbs;
36 char *r = (char *)rxvt_malloc (len * MB_CUR_MAX + 1);
37
38 char *dst = r;
39 while (len--)
40 {
41 int l = wcrtomb (dst, *str++, mbs);
42 if (l < 0)
43 *dst++ = '?';
44 else
45 dst += l;
46 }
47
48 *dst++ = 0;
49
50 return 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 (mbstowcs (r, str, len + 1) < 0)
61 *r = 0;
62
63 return r;
64}
65
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++;
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 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 wchar_t *p = r;
108
109 unsigned char *s = (unsigned char *)str;
110
111 while (len)
112 {
113 if (s[0] < 0x80)
114 {
115 *p++ = *s++; len--;
116 }
117 else if (len > 0
118 && s[0] >= 0xc2 && s[0] <= 0xdf
119 && (s[1] & 0xc0) == 0x80)
120 {
121 *p++ = ((s[0] & 0x1f) << 6)
122 | (s[1] & 0x3f);
123 s += 2; len -= 2;
124 }
125 else if (len > 1
126 && ( (s[0] == 0xe0 && s[1] >= 0xa0 && s[1] <= 0xbf)
127 || (s[0] >= 0xe1 && s[0] <= 0xec && s[1] >= 0x80 && s[1] <= 0xbf)
128 || (s[0] == 0xed && s[1] >= 0x80 && s[1] <= 0x9f)
129 || (s[0] >= 0xee && s[0] <= 0xef && s[1] >= 0x80 && s[1] <= 0xbf)
130 )
131 && (s[2] & 0xc0) == 0x80)
132 {
133 *p++ = ((s[0] & 0x0f) << 12)
134 | ((s[1] & 0x3f) << 6)
135 | (s[2] & 0x3f);
136 s += 3; len -= 3;
137 }
138 else if (len > 2
139 && ( (s[0] == 0xf0 && s[1] >= 0x90 && s[1] <= 0xbf)
140 || (s[0] >= 0xf1 && s[0] <= 0xf3 && s[1] >= 0x80 && s[1] <= 0xbf)
141 || (s[0] == 0xf4 && s[1] >= 0x80 && s[1] <= 0x8f)
142 )
143 && (s[2] & 0xc0) == 0x80
144 && (s[3] & 0xc0) == 0x80)
145 {
146 *p++ = ((s[0] & 0x07) << 18)
147 | ((s[1] & 0x3f) << 12)
148 | ((s[2] & 0x3f) << 6)
149 | (s[3] & 0x3f);
150 s += 4; len -= 4;
151 }
152 else
153 {
154 *p++ = 0xfffd;
155 s++; len--;
156 }
157 }
158
159 *p = 0;
160
161 return r;
162}
163
31char * 164char *
32rxvt_strdup (const char *str) 165rxvt_strdup (const char *str)
33{ 166{
34 return str ? strdup (str) : 0; 167 return str ? strdup (str) : 0;
35} 168}
36 169
37/* EXTPROTO */ 170/* INTPROTO */
38char * 171char *
39rxvt_r_basename (const char *str) 172rxvt_r_basename (const char *str)
40{ 173{
41 char *base = STRRCHR (str, '/'); 174 char *base = strrchr (str, '/');
42 175
43 return (char *) (base ? base + 1 : str); 176 return (char *) (base ? base + 1 : str);
44} 177}
45 178
46/* 179/*
47 * Print an error message 180 * Print an error message
48 */ 181 */
49/* EXTPROTO */ 182/* INTPROTO */
50void 183void
184rxvt_vlog (const char *fmt, va_list arg_ptr)
185{
186 char msg[1024];
187
188 vsnprintf (msg, sizeof msg, fmt, arg_ptr);
189
190 if (GET_R && GET_R->log_hook)
191 (*GET_R->log_hook) (msg);
192 else
193 write (STDOUT_FILENO, msg, strlen (msg));
194}
195
196/* INTPROTO */
197void
51rxvt_print_error (const char *fmt,...) 198rxvt_log (const char *fmt,...)
52{ 199{
53 va_list arg_ptr; 200 va_list arg_ptr;
54 201
55 va_start (arg_ptr, fmt); 202 va_start (arg_ptr, fmt);
56 fprintf (stderr, RESNAME ": "); 203 rxvt_vlog (fmt, arg_ptr);
57 vfprintf (stderr, fmt, arg_ptr);
58 fprintf (stderr, "\n");
59 va_end (arg_ptr); 204 va_end (arg_ptr);
205}
206
207/*
208 * Print an error message
209 */
210/* INTPROTO */
211void
212rxvt_warn (const char *fmt,...)
213{
214 va_list arg_ptr;
215
216 rxvt_log ("%s: ", RESNAME);
217
218 va_start (arg_ptr, fmt);
219 rxvt_vlog (fmt, arg_ptr);
220 va_end (arg_ptr);
221}
222
223/* INTPROTO */
224void
225rxvt_fatal (const char *fmt,...)
226{
227 va_list arg_ptr;
228
229 rxvt_log ("%s: ", RESNAME);
230
231 va_start (arg_ptr, fmt);
232 rxvt_vlog (fmt, arg_ptr);
233 va_end (arg_ptr);
234
235 rxvt_exit_failure ();
236}
237
238class rxvt_failure_exception rxvt_failure_exception;
239
240/* INTPROTO */
241void
242rxvt_exit_failure ()
243{
244 throw (rxvt_failure_exception);
60} 245}
61 246
62/* 247/*
63 * check that the first characters of S1 match S2 248 * check that the first characters of S1 match S2
64 * 249 *
65 * No Match 250 * No Match
66 * return: 0 251 * return: 0
67 * Match 252 * Match
68 * return: STRLEN (S2) 253 * return: strlen (S2)
69 */ 254 */
70/* EXTPROTO */ 255/* INTPROTO */
71int 256int
72rxvt_Str_match (const char *s1, const char *s2) 257rxvt_Str_match (const char *s1, const char *s2)
73{ 258{
74 int n = STRLEN (s2); 259 int n = strlen (s2);
75 260
76 return ((STRNCMP (s1, s2, n) == 0) ? n : 0); 261 return ((strncmp (s1, s2, n) == 0) ? n : 0);
77} 262}
78 263
79/* EXTPROTO */ 264/* INTPROTO */
80const char * 265const char *
81rxvt_Str_skip_space (const char *str) 266rxvt_Str_skip_space (const char *str)
82{ 267{
83 if (str) 268 if (str)
84 while (*str && isspace (*str)) 269 while (*str && isspace (*str))
… …
89 274
90/* 275/*
91 * remove leading/trailing space and strip-off leading/trailing quotes. 276 * remove leading/trailing space and strip-off leading/trailing quotes.
92 * in place. 277 * in place.
93 */ 278 */
94/* EXTPROTO */ 279/* INTPROTO */
95char * 280char *
96rxvt_Str_trim (char *str) 281rxvt_Str_trim (char *str)
97{ 282{
98 char *r, *s; 283 char *r, *s;
99 int n; 284 int n;
… …
138 * "M-x" prefixed strings, append "\r" if needed 323 * "M-x" prefixed strings, append "\r" if needed
139 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed 324 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed
140 * 325 *
141 * returns the converted string length 326 * returns the converted string length
142 */ 327 */
143/* EXTPROTO */ 328/* INTPROTO */
144int 329int
145rxvt_Str_escaped (char *str) 330rxvt_Str_escaped (char *str)
146{ 331{
147 char ch, *s, *d; 332 char ch, *s, *d;
148 int i, num, append = 0; 333 int i, num, append = 0;
… …
216 * Split a comma-separated string into an array, stripping leading and 401 * Split a comma-separated string into an array, stripping leading and
217 * trailing spaces (and paired quotes) from each entry. Empty strings 402 * trailing spaces (and paired quotes) from each entry. Empty strings
218 * are properly returned 403 * are properly returned
219 * Caller should free each entry and array when done 404 * Caller should free each entry and array when done
220 */ 405 */
221/* EXTPROTO */ 406/* INTPROTO */
222char ** 407char **
223rxvt_splitcommastring (const char *cs) 408rxvt_splitcommastring (const char *cs)
224{ 409{
225 int l, n, p; 410 int l, n, p;
226 const char *s, *t; 411 const char *s, *t;
… …
246 s = ++t; 431 s = ++t;
247 } 432 }
248 return ret; 433 return ret;
249} 434}
250 435
436void
437rxvt_freecommastring (char **cs)
438{
439 for (int i = 0; cs[i]; ++i)
440 free (cs[i]);
441
442 free (cs);
443}
444
251/*----------------------------------------------------------------------* 445/*----------------------------------------------------------------------*
252 * file searching 446 * file searching
253 */ 447 */
254 448
255/* #define DEBUG_SEARCH_PATH */ 449/* #define DEBUG_SEARCH_PATH */
… …
268 int maxpath, len; 462 int maxpath, len;
269 const char *p, *path; 463 const char *p, *path;
270 char name[256]; 464 char name[256];
271 465
272 if (!access (file, R_OK)) /* found (plain name) in current directory */ 466 if (!access (file, R_OK)) /* found (plain name) in current directory */
273 return STRDUP (file); 467 return strdup (file);
274 468
275 /* semi-colon delimited */ 469 /* semi-colon delimited */
276 if ((p = STRCHR (file, ';'))) 470 if ((p = strchr (file, ';')))
277 len = (p - file); 471 len = (p - file);
278 else 472 else
279 len = STRLEN (file); 473 len = strlen (file);
280 474
281#ifdef DEBUG_SEARCH_PATH 475#ifdef DEBUG_SEARCH_PATH
282 getcwd (name, sizeof (name)); 476 getcwd (name, sizeof (name));
283 fprintf (stderr, "pwd: \"%s\"\n", name); 477 fprintf (stderr, "pwd: \"%s\"\n", name);
284 fprintf (stderr, "find: \"%.*s\"\n", len, file); 478 fprintf (stderr, "find: \"%.*s\"\n", len, file);
285#endif 479#endif
286 480
287 /* leave room for an extra '/' and trailing '\0' */ 481 /* leave room for an extra '/' and trailing '\0' */
288 maxpath = sizeof (name) - (len + (ext ? STRLEN (ext) : 0) + 2); 482 maxpath = sizeof (name) - (len + (ext ? strlen (ext) : 0) + 2);
289 if (maxpath <= 0) 483 if (maxpath <= 0)
290 return NULL; 484 return NULL;
291 485
292 /* check if we can find it now */ 486 /* check if we can find it now */
293 STRNCPY (name, file, len); 487 strncpy (name, file, len);
294 name[len] = '\0'; 488 name[len] = '\0';
295 489
296 if (!access (name, R_OK)) 490 if (!access (name, R_OK))
297 return STRDUP (name); 491 return strdup (name);
298 if (ext) 492 if (ext)
299 { 493 {
300 STRCAT (name, ext); 494 strcat (name, ext);
301 if (!access (name, R_OK)) 495 if (!access (name, R_OK))
302 return STRDUP (name); 496 return strdup (name);
303 } 497 }
304 for (path = pathlist; path != NULL && *path != '\0'; path = p) 498 for (path = pathlist; path != NULL && *path != '\0'; path = p)
305 { 499 {
306 int n; 500 int n;
307 501
308 /* colon delimited */ 502 /* colon delimited */
309 if ((p = STRCHR (path, ':')) == NULL) 503 if ((p = strchr (path, ':')) == NULL)
310 p = STRCHR (path, '\0'); 504 p = strchr (path, '\0');
311 505
312 n = (p - path); 506 n = (p - path);
313 if (*p != '\0') 507 if (*p != '\0')
314 p++; 508 p++;
315 509
316 if (n > 0 && n <= maxpath) 510 if (n > 0 && n <= maxpath)
317 { 511 {
318 STRNCPY (name, path, n); 512 strncpy (name, path, n);
319 if (name[n - 1] != '/') 513 if (name[n - 1] != '/')
320 name[n++] = '/'; 514 name[n++] = '/';
321 name[n] = '\0'; 515 name[n] = '\0';
322 STRNCAT (name, file, len); 516 strncat (name, file, len);
323 517
324 if (!access (name, R_OK)) 518 if (!access (name, R_OK))
325 return STRDUP (name); 519 return strdup (name);
326 if (ext) 520 if (ext)
327 { 521 {
328 STRCAT (name, ext); 522 strcat (name, ext);
329 if (!access (name, R_OK)) 523 if (!access (name, R_OK))
330 return STRDUP (name); 524 return strdup (name);
331 } 525 }
332 } 526 }
333 } 527 }
334 return NULL; 528 return NULL;
335} 529}
336 530
337/* EXTPROTO */ 531/* INTPROTO */
338char * 532char *
339rxvt_File_find (const char *file, const char *ext, const char *path) 533rxvt_File_find (const char *file, const char *ext, const char *path)
340{ 534{
341 char *f; 535 char *f;
342 536
… …
365 559
366/* 560/*
367 * Draw top/left and bottom/right border shadows around windows 561 * Draw top/left and bottom/right border shadows around windows
368 */ 562 */
369#if defined(RXVT_SCROLLBAR) || defined(MENUBAR) 563#if defined(RXVT_SCROLLBAR) || defined(MENUBAR)
370/* EXTPROTO */ 564/* INTPROTO */
371void 565void
372rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h) 566rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
373{ 567{
374 int shadow; 568 int shadow;
375 569
… …
386} 580}
387#endif 581#endif
388 582
389/* button shapes */ 583/* button shapes */
390#ifdef MENUBAR 584#ifdef MENUBAR
391/* EXTPROTO */ 585/* INTPROTO */
392void 586void
393rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type) 587rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type)
394{ 588{
395 switch (type) 589 switch (type)
396 { 590 {

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