procyberian/emacs
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Fix an assertion

Browse source 
* src/dispnew.c (clear_glyph_matrix_rows): Test matrix->nrows == 0 (which
implies start == 0) separately.
This commit is contained in:
Chris Feng 2016-02-25 09:34:55 +08:00
parent 040e0d6b3b
commit 8be32cf45c
1 changed files with 3 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/dispnew.c
View file

@ -683,7 +683,9 @@ void
clear_glyph_matrix_rows (struct glyph_matrix *matrix, int start, int end) clear_glyph_matrix_rows (struct glyph_matrix *matrix, int start, int end)
{ {
eassert (start <= end); eassert (start <= end);
eassert (start >= 0 && start <= matrix->nrows); eassert (start >= 0 && (start < matrix->nrows
/* matrix->nrows can be 0 for the initial frame. */
|| (matrix->nrows == 0)));
eassert (end >= 0 && end <= matrix->nrows); eassert (end >= 0 && end <= matrix->nrows);
for (; start < end; ++start) for (; start < end; ++start)