Patch 8.1.0694
Problem: When using text props may free memory that is not allocated.
(Andy Massimino)
Solution: Allocate the line when adjusting text props. (closes #3766)
Files: src/textprop.c
*** ../vim-8.1.0693/src/textprop.c 2019-01-04 23:09:45.249360567 +0100
--- src/textprop.c 2019-01-06 12:53:20.159681468 +0100
***************
*** 979,985 ****
pt = text_prop_type_by_id(curbuf, tmp_prop.tp_type);
if (bytes_added > 0
! ? (tmp_prop.tp_col >= col + (pt != NULL && (pt->pt_flags &
PT_FLAG_INS_START_INCL) ? 2 : 1))
: (tmp_prop.tp_col > col + 1))
{
tmp_prop.tp_col += bytes_added;
--- 979,987 ----
pt = text_prop_type_by_id(curbuf, tmp_prop.tp_type);
if (bytes_added > 0
! ? (tmp_prop.tp_col >= col
! + (pt != NULL && (pt->pt_flags & PT_FLAG_INS_START_INCL)
! ? 2 : 1))
: (tmp_prop.tp_col > col + 1))
{
tmp_prop.tp_col += bytes_added;
***************
*** 987,993 ****
}
else if (tmp_prop.tp_len > 0
&& tmp_prop.tp_col + tmp_prop.tp_len > col
! + ((pt != NULL && (pt->pt_flags & PT_FLAG_INS_END_INCL))
? 0 : 1))
{
tmp_prop.tp_len += bytes_added;
--- 989,995 ----
}
else if (tmp_prop.tp_len > 0
&& tmp_prop.tp_col + tmp_prop.tp_len > col
! + ((pt != NULL && (pt->pt_flags & PT_FLAG_INS_END_INCL))
? 0 : 1))
{
tmp_prop.tp_len += bytes_added;
***************
*** 1001,1008 ****
}
if (dirty)
{
curbuf->b_ml.ml_flags |= ML_LINE_DIRTY;
! curbuf->b_ml.ml_line_len = (int)textlen + wi * sizeof(textprop_T);
}
}
--- 1003,1015 ----
}
if (dirty)
{
+ colnr_T newlen = (int)textlen + wi * (colnr_T)sizeof(textprop_T);
+
+ if ((curbuf->b_ml.ml_flags & ML_LINE_DIRTY) == 0)
+ curbuf->b_ml.ml_line_ptr =
+ vim_memsave(curbuf->b_ml.ml_line_ptr, newlen);
curbuf->b_ml.ml_flags |= ML_LINE_DIRTY;
! curbuf->b_ml.ml_line_len = newlen;
}
}
*** ../vim-8.1.0693/src/version.c 2019-01-05 00:35:17.298497431 +0100
--- src/version.c 2019-01-06 12:53:52.163454756 +0100
***************
*** 801,802 ****
--- 801,804 ----
{ /* Add new patch number below this line */
+ /**/
+ 694,
/**/
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