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comparison src/misc2.c @ 10110:cfb38b57d407 v7.4.2326

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commit https://github.com/vim/vim/commit/d5824ce1b5491df7d2eb0b66189d366fa67b4585 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Sep 4 20:35:01 2016 +0200 patch 7.4.2326 Problem: Illegal memory access when Visual selection starts in invalid position. (Dominique Pelle) Solution: Correct position when needed.
author Christian Brabandt <cb@256bit.org>
date Sun, 04 Sep 2016 20:45:05 +0200
parents 4aead6a9b7a9
children c036c0f636d5
comparison
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10109:3edc6b14299b 10110:cfb38b57d407
500 else 500 else
501 #endif 501 #endif
502 retval = lnum - cursor; 502 retval = lnum - cursor;
503 503
504 return retval; 504 return retval;
505 }
506
507 /*
508 * Make sure "pos.lnum" and "pos.col" are valid in "buf".
509 * This allows for the col to be on the NUL byte.
510 */
511 void
512 check_pos(buf_T *buf, pos_T *pos)
513 {
514 char_u *line;
515 colnr_T len;
516
517 if (pos->lnum > buf->b_ml.ml_line_count)
518 pos->lnum = buf->b_ml.ml_line_count;
519
520 if (pos->col > 0)
521 {
522 line = ml_get_buf(buf, pos->lnum, FALSE);
523 len = (colnr_T)STRLEN(line);
524 if (pos->col > len)
525 pos->col = len;
526 }
505 } 527 }
506 528
507 /* 529 /*
508 * Make sure curwin->w_cursor.lnum is valid. 530 * Make sure curwin->w_cursor.lnum is valid.
509 */ 531 */