diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/nvim/screen.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/nvim/screen.c b/src/nvim/screen.c index 45c82d70d1..f349304468 100644 --- a/src/nvim/screen.c +++ b/src/nvim/screen.c @@ -1775,7 +1775,9 @@ static void fold_line(win_T *wp, long fold_count, foldinfo_T *foldinfo, linenr_T if (len > len_max) { len = len_max; } - copy_text_attr(off + col, (char_u *)" ", len, + char_u space_buf[18] = " "; + assert((size_t)len_max <= sizeof(space_buf)); + copy_text_attr(off + col, space_buf, len, win_hl_attr(wp, HLF_FL)); col += len; } @@ -2061,7 +2063,8 @@ win_line ( int row; // row in the window, excl w_winrow ScreenGrid *grid = &wp->w_grid; // grid specfic to the window - char_u extra[18]; // line number and 'fdc' must fit in here + char_u extra[57]; // sign, line number and 'fdc' must + // fit in here int n_extra = 0; // number of extra chars char_u *p_extra = NULL; // string of extra chars, plus NUL char_u *p_extra_free = NULL; // p_extra needs to be freed @@ -2712,15 +2715,24 @@ win_line ( sign_idx, count); if (text_sign != 0) { p_extra = sign_get_text(text_sign); - int symbol_blen = (int)STRLEN(p_extra); if (p_extra != NULL) { + int symbol_blen = (int)STRLEN(p_extra); + c_extra = NUL; c_final = NUL; + + // TODO(oni-link): Is sign text already extended to + // full cell width? + assert((size_t)win_signcol_width(wp) + >= mb_string2cells(p_extra)); // symbol(s) bytes + (filling spaces) (one byte each) n_extra = symbol_blen + (win_signcol_width(wp) - mb_string2cells(p_extra)); + + assert(sizeof(extra) > (size_t)symbol_blen); memset(extra, ' ', sizeof(extra)); - STRNCPY(extra, p_extra, STRLEN(p_extra)); + memcpy(extra, p_extra, symbol_blen); + p_extra = extra; p_extra[n_extra] = NUL; } |