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| author | Eli Zaretskii <eliz@gnu.org> | 2021-08-16 22:06:26 +0300 |
|---|---|---|
| committer | Eli Zaretskii <eliz@gnu.org> | 2021-08-16 22:06:26 +0300 |
| commit | 6898ae6f8c0128c5ff06de3f5d7adb7f9dab6563 (patch) | |
| tree | c5f72ab260e63831070753ebfccee3ac2c5ef2d9 /src | |
| parent | b21c9b0816e9bb923e00d6e69eed7c4341850dd0 (diff) | |
| download | emacs-6898ae6f8c0128c5ff06de3f5d7adb7f9dab6563.tar.gz emacs-6898ae6f8c0128c5ff06de3f5d7adb7f9dab6563.tar.bz2 emacs-6898ae6f8c0128c5ff06de3f5d7adb7f9dab6563.zip | |
Plug another hole for longjmp-ing from 'redisplay_window'
* src/fringe.c (update_window_fringes): Inhibit quitting, so as
not to longjmp out of redisplay_window. (Bug#44448)
Diffstat (limited to 'src')
| -rw-r--r-- | src/fringe.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/fringe.c b/src/fringe.c index 47615f51f97..b651a4eb0d9 100644 --- a/src/fringe.c +++ b/src/fringe.c @@ -969,6 +969,14 @@ update_window_fringes (struct window *w, bool keep_current_p) if (w->pseudo_window_p) return 0; + ptrdiff_t count = SPECPDL_INDEX (); + + /* This function could be called for redisplaying non-selected + windows, in which case point has been temporarily moved to that + window's window-point. So we cannot afford quitting out of here, + as point is restored after this function returns. */ + specbind (Qinhibit_quit, Qt); + if (!MINI_WINDOW_P (w) && (ind = BVAR (XBUFFER (w->contents), indicate_buffer_boundaries), !NILP (ind))) { @@ -1331,6 +1339,8 @@ update_window_fringes (struct window *w, bool keep_current_p) row->fringe_bitmap_periodic_p = periodic_p; } + unbind_to (count, Qnil); + return redraw_p && !keep_current_p; } |