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lib/clippy: allow creating empty graph

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When merging graphs, it makes sense to allow starting with an empty one.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
David Lamparter 2024-07-20 15:30:09 -07:00 committed by Donald Sharp
parent cf37c79f31
commit 7fb8729a32
1 changed files with 11 additions and 5 deletions
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12
lib/command_py.c
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@ -296,7 +296,7 @@ static PyObject *graph_parse(PyTypeObject *type, PyObject *args, PyObject *kwds)
if (!gwrap)
return NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "s|s", (char **)kwnames,
if (!PyArg_ParseTupleAndKeywords(args, kwds, "z|s", (char **)kwnames,
&def, &doc))
return NULL;
@ -304,12 +304,18 @@ static PyObject *graph_parse(PyTypeObject *type, PyObject *args, PyObject *kwds)
struct cmd_token *token = cmd_token_new(START_TKN, 0, NULL, NULL);
graph_new_node(graph, token, (void (*)(void *)) & cmd_token_del);
struct cmd_element cmd = {.string = def, .doc = doc};
if (def) {
struct cmd_element cmd = { .string = def, .doc = doc };
cmd_graph_parse(graph, &cmd);
cmd_graph_names(graph);
gwrap->graph = graph;
gwrap->definition = strdup(def);
} else {
gwrap->definition = strdup("NULL");
}
gwrap->graph = graph;
return (PyObject *)gwrap;
}