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; Avoid assertion violations in 'font-match-p'

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* src/font.c (font_match_p): Avoid assertion violations in
'font_encode_char' if FONT is not a font-object.
This commit is contained in:
Eli Zaretskii 2025-12-04 10:11:09 +02:00
parent 7f04e046fb
commit 6a4ca5e59b
1 changed files with 4 additions and 0 deletions
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4
src/font.c
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@ -2488,6 +2488,8 @@ font_match_p (Lisp_Object spec, Lisp_Object font)
val2 = XCDR (val2);
if (CONSP (val2))
{
if (! FONT_OBJECT_P (font))
return 0;
/* All characters in the list must be supported. */
for (; CONSP (val2); val2 = XCDR (val2))
{
@ -2500,6 +2502,8 @@ font_match_p (Lisp_Object spec, Lisp_Object font)
}
else if (VECTORP (val2))
{
if (! FONT_OBJECT_P (font))
return 0;
/* At most one character in the vector must be supported. */
for (i = 0; i < ASIZE (val2); i++)
{