From 967e6e2ec3490c2dbc1ce390716b434411b0c74b Mon Sep 17 00:00:00 2001 From: =?utf8?q?Gerd=20M=C3=B6llmann?= Date: Sun, 16 Mar 2025 21:17:55 +0100 Subject: [PATCH] Make sure to initialize glyph::frame to NULL (bug#77039) * src/dispnew.c (adjust_glyph_matrix): Clear glyph memory when enlarging window-system window glyph matrices. (cherry picked from commit eab14d68b2e72b9a6b8b0cc67c9667c2bfbed4f5) --- src/dispnew.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/dispnew.c b/src/dispnew.c index 9b94ba1bdf0..58817ff014b 100644 --- a/src/dispnew.c +++ b/src/dispnew.c @@ -506,8 +506,9 @@ adjust_glyph_matrix (struct window *w, struct glyph_matrix *matrix, int x, int y row->glyphs[LEFT_MARGIN_AREA] = xnrealloc (row->glyphs[LEFT_MARGIN_AREA], dim.width, sizeof (struct glyph)); + memset (row->glyphs[LEFT_MARGIN_AREA], 0, + dim.width * sizeof (struct glyph)); - /* The mode line, if displayed, never has marginal areas. */ if ((row == matrix->rows + dim.height - 1 && !(w && window_wants_mode_line (w))) || (row == matrix->rows && matrix->tab_line_p) -- 2.39.5