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Don't crash if we can't find a monitor model name

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This can happen when running emacs over a forwarded X11 connection.

* src/pgtkfns.c (pgtk_get_monitor_scale_factor): Return 0 if we're
passed a NULL model name.
This commit is contained in:
Robert Pluim 2021-02-11 16:53:13 +01:00
parent ef76e64427
commit 175ebb0104
1 changed files with 3 additions and 0 deletions
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3
src/pgtkfns.c
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@ -66,6 +66,9 @@ static Lisp_Object monitor_scale_factor_alist;
static double
pgtk_get_monitor_scale_factor (const char *model)
{
if (model == NULL)
return 0.0;
Lisp_Object mdl = build_string (model);
Lisp_Object tem = Fassoc(mdl, monitor_scale_factor_alist, Qnil);
if (NILP (tem))