Patch 8.0.1331
Problem: Possible crash when window can be zero lines high. (Joseph
Dornisch)
Solution: Only set w_fraction if the window is at least two lines high.
Files: src/window.c
*** ../vim-8.0.1330/src/window.c 2017-10-28 21:08:38.995456898 +0200
--- src/window.c 2017-11-22 22:18:47.942739477 +0100
***************
*** 1081,1088 ****
/* Set w_fraction now so that the cursor keeps the same relative
* vertical position. */
! if (oldwin->w_height > 0)
! set_fraction(oldwin);
wp->w_fraction = oldwin->w_fraction;
if (flags & WSP_VERT)
--- 1081,1087 ----
/* Set w_fraction now so that the cursor keeps the same relative
* vertical position. */
! set_fraction(oldwin);
wp->w_fraction = oldwin->w_fraction;
if (flags & WSP_VERT)
***************
*** 5682,5692 ****
/*
* Set wp->w_fraction for the current w_wrow and w_height.
*/
void
set_fraction(win_T *wp)
{
! wp->w_fraction = ((long)wp->w_wrow * FRACTION_MULT
+ wp->w_height / 2) / (long)wp->w_height;
}
--- 5681,5693 ----
/*
* Set wp->w_fraction for the current w_wrow and w_height.
+ * Has no effect when the window is less than two lines.
*/
void
set_fraction(win_T *wp)
{
! if (wp->w_height > 1)
! wp->w_fraction = ((long)wp->w_wrow * FRACTION_MULT
+ wp->w_height / 2) / (long)wp->w_height;
}
*** ../vim-8.0.1330/src/version.c 2017-11-21 18:11:23.661015826 +0100
--- src/version.c 2017-11-22 22:18:24.686876741 +0100
***************
*** 773,774 ****
--- 773,776 ----
{ /* Add new patch number below this line */
+ /**/
+ 1331,
/**/
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