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comparison src/ex_cmds.c @ 5776:845608965bd9 v7.4.232

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updated for version 7.4.232 Problem: ":%s/\n//" uses a lot of memory. (Aidan Marlin) Solution: Turn this into a join command. (Christian Brabandt)
author Bram Moolenaar <bram@vim.org>
date Tue, 01 Apr 2014 17:49:44 +0200
parents 50dbef5e774a
children 80421d934ebd
comparison
equal deleted inserted replaced
5775:af55d5dad6cf 5776:845608965bd9
4416 sub = old_sub; 4416 sub = old_sub;
4417 4417
4418 /* Vi compatibility quirk: repeating with ":s" keeps the cursor in the 4418 /* Vi compatibility quirk: repeating with ":s" keeps the cursor in the
4419 * last column after using "$". */ 4419 * last column after using "$". */
4420 endcolumn = (curwin->w_curswant == MAXCOL); 4420 endcolumn = (curwin->w_curswant == MAXCOL);
4421 }
4422
4423 /* Recognize ":%s/\n//" and turn it into a join command, which is much
4424 * more efficient.
4425 * TODO: find a generic solution to make line-joining operations more
4426 * efficient, avoid allocating a string that grows in size.
4427 */
4428 if (STRCMP(pat, "\\n") == 0 && STRLEN(pat) == 2
4429 && *sub == NUL
4430 && (*cmd == NUL || (cmd[1] == NUL && (*cmd == 'g' || *cmd == 'l'
4431 || *cmd == 'p' || *cmd == '#'))))
4432 {
4433 curwin->w_cursor.lnum = eap->line1;
4434 if (*cmd == 'l')
4435 eap->flags = EXFLAG_LIST;
4436 else if (*cmd == '#')
4437 eap->flags = EXFLAG_NR;
4438 else if (*cmd == 'p')
4439 eap->flags = EXFLAG_PRINT;
4440
4441 (void)do_join(eap->line2 - eap->line1 + 1, FALSE, TRUE, FALSE);
4442 sub_nlines = sub_nsubs = eap->line2 - eap->line1 + 1;
4443 (void)do_sub_msg(FALSE);
4444 ex_may_print(eap);
4445 return;
4421 } 4446 }
4422 4447
4423 /* 4448 /*
4424 * Find trailing options. When '&' is used, keep old options. 4449 * Find trailing options. When '&' is used, keep old options.
4425 */ 4450 */