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Remove more calls to xfree from Python

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This changes the Python code to remove some more calls to xfree, in
favor of self-managing data structures.

Tested on x86-64 Fedora 28.

gdb/ChangeLog
2018-12-27  Tom Tromey  <tom@tromey.com>

	* python/python.c (python_interactive_command): Use std::string.
	(gdbpy_parameter): Likewise.
	* python/py-utils.c (unicode_to_encoded_string): Update comment.
	* python/py-symtab.c (salpy_str): Use PyString_FromFormat.
	* python/py-record-btrace.c (recpy_bt_insn_data): Use
	byte_vector.
	* python/py-objfile.c (objfpy_get_build_id): Use
	unique_xmalloc_ptr.
	* python/py-inferior.c (infpy_read_memory): Use
	unique_xmalloc_ptr.
	* python/py-cmd.c (gdbpy_parse_command_name): Use std::string.
This commit is contained in:
Tom Tromey
2018-12-26 11:05:57 -07:00
parent 293bf1a719
commit 075c55e0cc
8 changed files with 40 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
gdb/python/py-symtab.c
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@ -220,10 +220,8 @@ stpy_get_linetable (PyObject *self, PyObject *args)
static PyObject *
salpy_str (PyObject *self)
{
char *s;
const char *filename;
sal_object *sal_obj;
PyObject *result;
struct symtab_and_line *sal = NULL;
SALPY_REQUIRE_VALID (self, sal);
@ -232,13 +230,8 @@ salpy_str (PyObject *self)
filename = (sal_obj->symtab == (symtab_object *) Py_None)
? "<unknown>" : symtab_to_filename_for_display (sal_obj->symtab->symtab);
s = xstrprintf ("symbol and line for %s, line %d", filename,
sal->line);
result = PyString_FromString (s);
xfree (s);
return result;
return PyString_FromFormat ("symbol and line for %s, line %d", filename,
sal->line);
}
static void