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Avoid crashes in coding_inherit_eol_type

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* src/coding.c (coding_inherit_eol_type): Check the validity of
the arguments.  Suggested by Andreas Schwab <schwab@linux-m68k.org>.
(Bug#21602)
This commit is contained in:
Eli Zaretskii 2015-10-03 15:39:17 +03:00
parent 265d525a5e
commit 272ca09635
1 changed files with 2 additions and 0 deletions
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2
src/coding.c
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@ -6004,6 +6004,7 @@ coding_inherit_eol_type (Lisp_Object coding_system, Lisp_Object parent)
if (NILP (coding_system))
coding_system = Qraw_text;
CHECK_CODING_SYSTEM (coding_system);
spec = CODING_SYSTEM_SPEC (coding_system);
eol_type = AREF (spec, 2);
if (VECTORP (eol_type))
@ -6014,6 +6015,7 @@ coding_inherit_eol_type (Lisp_Object coding_system, Lisp_Object parent)
{
Lisp_Object parent_spec;
CHECK_CODING_SYSTEM (parent);
parent_spec = CODING_SYSTEM_SPEC (parent);
parent_eol_type = AREF (parent_spec, 2);
if (VECTORP (parent_eol_type))