Mercurial > ~mikael > mcabber > hg
comparison mcabber/src/utils.c @ 727:1c3620668857
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| author | Mikael Berthe <mikael@lilotux.net> |
|---|---|
| date | Sun, 05 Mar 2006 22:29:14 +0100 |
| parents | ee03b56b93ee |
| children | 2f027806cd48 |
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| 726:51be2bc1a820 | 727:1c3620668857 |
|---|---|
| 457 else | 457 else |
| 458 *p = 0; | 458 *p = 0; |
| 459 } | 459 } |
| 460 } | 460 } |
| 461 | 461 |
| 462 // ut_expand_tabs(text) | |
| 463 // Expand tabs in string text. | |
| 464 // If there is no tab in the string, a pointer to text is returned (be | |
| 465 // careful _not_ to free the pointer in this case). | |
| 466 // If there are some tabs, a new string with expanded chars is returned; this | |
| 467 // is up to the caller to free this string after use. | |
| 468 char *ut_expand_tabs(const char *text) | |
| 469 { | |
| 470 char *xtext; | |
| 471 char *p, *q; | |
| 472 guint8 n=0; | |
| 473 | |
| 474 xtext = (char*)text; | |
| 475 for (p=xtext; *p; p++) | |
| 476 if (*p == '\t') n++; | |
| 477 | |
| 478 if (!n) | |
| 479 return (char*)text; | |
| 480 | |
| 481 xtext = g_new(char, strlen(text) + 1 + 8*n); | |
| 482 p = (char*)text; | |
| 483 q = xtext; | |
| 484 do { | |
| 485 if (*p == '\t') { | |
| 486 do { *q++ = ' '; } while ((q-xtext)%8); | |
| 487 } else { | |
| 488 *q++ = *p; | |
| 489 } | |
| 490 } while (*p++); | |
| 491 | |
| 492 return xtext; | |
| 493 } | |
| 494 | |
| 495 | |
| 462 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ | 496 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |