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Use unique_xmalloc_ptr<char> when demangling

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I noticed that some methods in language_defn could use
unique_xmalloc_ptr<char> rather than a plain 'char *'.  This patch
implements this change, fixing up the fallout and changing
gdb_demangle to also return this type.  In one spot, std::string is
used to simplify some related code, and in another, an auto_obstack is
used to avoid manual management.

Regression tested on x86-64 Fedora 34.
This commit is contained in:
Tom Tromey
2021-10-04 08:44:22 -06:00
parent e133de4984
commit 3456e70c9d
23 changed files with 118 additions and 136 deletions
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gdb/cp-support.h
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@@ -188,6 +188,6 @@ extern struct cmd_list_element *maint_cplus_cmd_list;
/* A wrapper for bfd_demangle. */
char *gdb_demangle (const char *name, int options);
gdb::unique_xmalloc_ptr<char> gdb_demangle (const char *name, int options);
#endif /* CP_SUPPORT_H */