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lib/clippy: dynamically wrap graph nodes

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The number of nodes in a graph will change as soon as cmd_graph_merge is
supported as an operation, therefore size this dynamically.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
David Lamparter 2024-07-20 15:29:59 -07:00 committed by Donald Sharp
parent 67a76894b7
commit cf37c79f31
1 changed files with 12 additions and 2 deletions
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14
lib/command_py.c
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@ -68,6 +68,7 @@ struct wrap_graph {
char *definition; char *definition;
struct graph *graph; struct graph *graph;
size_t n_nodewrappers;
struct wrap_graph_node **nodewrappers; struct wrap_graph_node **nodewrappers;
}; };
@ -138,6 +139,8 @@ static PyMethodDef methods_graph_node[] = {
static void graph_node_wrap_free(void *arg) static void graph_node_wrap_free(void *arg)
{ {
struct wrap_graph_node *wrap = arg; struct wrap_graph_node *wrap = arg;
assert(wrap->idx < wrap->wgraph->n_nodewrappers);
wrap->wgraph->nodewrappers[wrap->idx] = NULL; wrap->wgraph->nodewrappers[wrap->idx] = NULL;
Py_DECREF(wrap->wgraph); Py_DECREF(wrap->wgraph);
} }
@ -166,6 +169,15 @@ static PyObject *graph_to_pyobj(struct wrap_graph *wgraph,
PyErr_SetString(PyExc_ValueError, "cannot find node in graph"); PyErr_SetString(PyExc_ValueError, "cannot find node in graph");
return NULL; return NULL;
} }
if (i >= wgraph->n_nodewrappers) {
wgraph->nodewrappers =
realloc(wgraph->nodewrappers,
(i + 1) * sizeof(wgraph->nodewrappers[0]));
memset(wgraph->nodewrappers + wgraph->n_nodewrappers, 0,
sizeof(wgraph->nodewrappers[0]) *
(i + 1 - wgraph->n_nodewrappers));
wgraph->n_nodewrappers = i + 1;
}
if (wgraph->nodewrappers[i]) { if (wgraph->nodewrappers[i]) {
PyObject *obj = (PyObject *)wgraph->nodewrappers[i]; PyObject *obj = (PyObject *)wgraph->nodewrappers[i];
Py_INCREF(obj); Py_INCREF(obj);
@ -298,8 +310,6 @@ static PyObject *graph_parse(PyTypeObject *type, PyObject *args, PyObject *kwds)
gwrap->graph = graph; gwrap->graph = graph;
gwrap->definition = strdup(def); gwrap->definition = strdup(def);
gwrap->nodewrappers = calloc(vector_active(graph->nodes),
sizeof(gwrap->nodewrappers[0]));
return (PyObject *)gwrap; return (PyObject *)gwrap;
} }