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Fix memory leak in fontset handling

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* src/font.c (copy_font_spec): Make a deep copy of the input
argument FONT.  (Bug#21651)
This commit is contained in:
Dima Kogan 2015-10-20 18:12:55 +03:00 • committed by Eli Zaretskii
parent 90e9cf85be
commit 28c58bf739
1 changed files with 4 additions and 1 deletions
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5
src/font.c
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@ -3981,7 +3981,10 @@ copy_font_spec (Lisp_Object font)
pcdr = spec->props + FONT_EXTRA_INDEX;
for (tail = AREF (font, FONT_EXTRA_INDEX); CONSP (tail); tail = XCDR (tail))
if (!EQ (XCAR (XCAR (tail)), QCfont_entity))
*pcdr = Fcons (XCAR (tail), Qnil), pcdr = xcdr_addr (*pcdr);
{
*pcdr = Fcons (Fcons (XCAR (XCAR (tail)), CDR (XCAR (tail))), Qnil);
pcdr = xcdr_addr (*pcdr);
}
XSETFONT (new_spec, spec);
return new_spec;