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patch 8.1.0154: crash with "set smarttab shiftwidth=0 softtabstop=-1"

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Problem:    Crash with "set smarttab shiftwidth=0 softtabstop=-1".
Solution:   Fall back to using 'tabstop'. (closes #3155)
This commit is contained in:
Bram Moolenaar
2018-07-05 22:27:08 +02:00
parent e85ce6ea2e
commit c9fe5ab3b0
3 changed files with 21 additions and 11 deletions
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19
src/edit.c
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@@ -9347,20 +9347,12 @@ ins_bs(
&& (!*inserted_space_p
|| arrow_used))))))
{
#ifndef FEAT_VARTABS
int ts;
#endif
colnr_T vcol;
colnr_T want_vcol;
colnr_T start_vcol;
*inserted_space_p = FALSE;
#ifndef FEAT_VARTABS
if (p_sta && in_indent)
ts = (int)get_sw_value(curbuf);
else
ts = (int)get_sts_value();
#endif
/* Compute the virtual column where we want to be. Since
* 'showbreak' may get in the way, need to get the last column of
* the previous character. */
@@ -9371,11 +9363,18 @@ ins_bs(
inc_cursor();
#ifdef FEAT_VARTABS
if (p_sta && in_indent)
want_vcol = (want_vcol / curbuf->b_p_sw) * curbuf->b_p_sw;
{
ts = (int)get_sw_value(curbuf);
want_vcol = (want_vcol / ts) * ts;
}
else
want_vcol = tabstop_start(want_vcol, get_sts_value(),
curbuf->b_p_vsts_array);
#else
if (p_sta && in_indent)
ts = (int)get_sw_value(curbuf);
else
ts = (int)get_sts_value();
want_vcol = (want_vcol / ts) * ts;
#endif
@@ -10200,7 +10199,7 @@ ins_tab(void)
#ifdef FEAT_VARTABS
if (p_sta && ind) /* insert tab in indent, use 'shiftwidth' */
{
temp = (int)curbuf->b_p_sw;
temp = (int)get_sw_value(curbuf);
temp -= get_nolist_virtcol() % temp;
}
else if (tabstop_count(curbuf->b_p_vsts_array) > 0 || curbuf->b_p_sts != 0)