Remove cleanups from find_frame_funname

This changes find_frame_funname to return a unique_xmalloc_ptr and
then fixes up the callers.  This removes several cleanups.

ChangeLog
2017-09-11  Tom Tromey  <tom@tromey.com>

	* ada-lang.c (is_known_support_routine): Update.
	(ada_unhandled_exception_name_addr_from_raise): Update.
	* guile/scm-frame.c (gdbscm_frame_name): Update.
	* python/py-frame.c (frapy_name): Update.
	(frapy_function): Update.
	* stack.h (find_frame_funname): Update.
	* stack.c (find_frame_funname): Return unique_xmalloc_ptr.
	(print_frame): Update.

1 files changed, 6 insertions, 8 deletions

diff --git a/gdb/python/py-frame.c b/gdb/python/py-frame.c
index c5ae391..a927b3c 100644
--- a/gdb/python/py-frame.c
+++ b/gdb/python/py-frame.c
@@ -119,7 +119,7 @@ static PyObject *
 frapy_name (PyObject *self, PyObject *args)
 {
   struct frame_info *frame;
-  char *name = NULL;
+  gdb::unique_xmalloc_ptr<char> name;
   enum language lang;
   PyObject *result;
 
@@ -127,19 +127,18 @@ frapy_name (PyObject *self, PyObject *args)
     {
       FRAPY_REQUIRE_VALID (self, frame);
 
-      find_frame_funname (frame, &name, &lang, NULL);
+      name = find_frame_funname (frame, &lang, NULL);
     }
   CATCH (except, RETURN_MASK_ALL)
     {
-      xfree (name);
       GDB_PY_HANDLE_EXCEPTION (except);
     }
   END_CATCH
 
   if (name)
     {
-      result = PyUnicode_Decode (name, strlen (name), host_charset (), NULL);
-      xfree (name);
+      result = PyUnicode_Decode (name.get (), strlen (name.get ()),
+				 host_charset (), NULL);
     }
   else
     {
@@ -334,13 +333,12 @@ frapy_function (PyObject *self, PyObject *args)
 
   TRY
     {
-      char *funname;
       enum language funlang;
 
       FRAPY_REQUIRE_VALID (self, frame);
 
-      find_frame_funname (frame, &funname, &funlang, &sym);
-      xfree (funname);
+      gdb::unique_xmalloc_ptr<char> funname
+	= find_frame_funname (frame, &funlang, &sym);
     }
   CATCH (except, RETURN_MASK_ALL)
     {