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cp-demangle.c (d_encoding): Exit early on error.

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* cp-demangle.c (d_encoding): Exit early on error.
	(d_pointer_to_member_type): Exit early if cplus_demangle_type
	returns NULL.
	(cplus_demangle_type): Likewise.
	* testsuite/demangle-expected: New testcase.

From-SVN: r122972
This commit is contained in:
Geoffrey Keating 2007-03-16 01:07:52 +00:00 committed by Geoffrey Keating
parent ba502ad6be
commit 771904f1e6
3 changed files with 16 additions and 2 deletions
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8
libiberty/ChangeLog
View File

@ -1,3 +1,11 @@
2007-03-15 Geoffrey Keating <geoffk@apple.com>
* cp-demangle.c (d_encoding): Exit early on error.
(d_pointer_to_member_type): Exit early if cplus_demangle_type
returns NULL.
(cplus_demangle_type): Likewise.
* testsuite/demangle-expected: New testcase.
2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
* Makefile.in: Add install-pdf target as copied from

6
libiberty/cp-demangle.c
View File

@ -1067,7 +1067,7 @@ d_encoding (struct d_info *di, int top_level)
}
peek = d_peek_char (di);
if (peek == '\0' || peek == 'E')
if (dc == NULL || peek == '\0' || peek == 'E')
return dc;
return d_make_comp (di, DEMANGLE_COMPONENT_TYPED_NAME, dc,
d_bare_function_type (di, has_return_type (dc)));
@ -1780,7 +1780,7 @@ cplus_demangle_type (struct d_info *di)
if (pret == NULL)
return NULL;
*pret = cplus_demangle_type (di);
if (! d_add_substitution (di, ret))
if (! *pret || ! d_add_substitution (di, ret))
return NULL;
return ret;
}
@ -2135,6 +2135,8 @@ d_pointer_to_member_type (struct d_info *di)
if (pmem == NULL)
return NULL;
*pmem = cplus_demangle_type (di);
if (*pmem == NULL)
return NULL;
if (pmem != &mem && (*pmem)->type != DEMANGLE_COMPONENT_FUNCTION_TYPE)
{

4
libiberty/testsuite/demangle-expected
View File

@ -3838,3 +3838,7 @@ _ZNSA
--format=gnu-v3
_ZNT
_ZNT
# Dereferencing NULL in d_pointer_to_member_type
--format=gnu-v3
_Z1aMark
_Z1aMark