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patch 9.0.0690: buffer size for expanding tab not correctly computed

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Problem:    Buffer size for expanding tab not correctly computed.
Solution:   Correctly use size of end character.
This commit is contained in:
Bram Moolenaar
2022-10-08 11:16:40 +01:00
parent fcb86b0a99
commit a0789478f6
2 changed files with 5 additions and 2 deletions
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5
src/drawline.c
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@@ -2805,9 +2805,10 @@ win_line(
// If wlv.n_extra > 0, it gives the number of chars, to
// use for a tab, else we need to calculate the width
// for a tab.
len = (tab_len * mb_char2len(wp->w_lcs_chars.tab2));
int tab2_len = mb_char2len(wp->w_lcs_chars.tab2);
len = tab_len * tab2_len;
if (wp->w_lcs_chars.tab3)
len += mb_char2len(wp->w_lcs_chars.tab3);
len += mb_char2len(wp->w_lcs_chars.tab3) - tab2_len;
if (wlv.n_extra > 0)
len += wlv.n_extra - tab_len;
c = wp->w_lcs_chars.tab1;