diff options
Diffstat (limited to 'src/nvim/cursor.c')
| -rw-r--r-- | src/nvim/cursor.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/nvim/cursor.c b/src/nvim/cursor.c index 3ba9da34f2..544bcf6ede 100644 --- a/src/nvim/cursor.c +++ b/src/nvim/cursor.c @@ -294,6 +294,26 @@ linenr_T get_cursor_rel_lnum(win_T *wp, linenr_T lnum) return (lnum < cursor) ? -retval : retval; } +// Make sure "pos.lnum" and "pos.col" are valid in "buf". +// This allows for the col to be on the NUL byte. +void check_pos(buf_T *buf, pos_T *pos) +{ + char_u *line; + colnr_T len; + + if (pos->lnum > buf->b_ml.ml_line_count) { + pos->lnum = buf->b_ml.ml_line_count; + } + + if (pos->col > 0) { + line = ml_get_buf(buf, pos->lnum, false); + len = (colnr_T)STRLEN(line); + if (pos->col > len) { + pos->col = len; + } + } +} + /* * Make sure curwin->w_cursor.lnum is valid. */ |