kmod_module: parse dependencies on demand
diff --git a/libkmod/libkmod-module.c b/libkmod/libkmod-module.c
index a5c7ca3..74e8d22 100644
--- a/libkmod/libkmod-module.c
+++ b/libkmod/libkmod-module.c
@@ -82,7 +82,7 @@
return modname;
}
-int kmod_module_parse_dep(struct kmod_module *mod, char *line)
+int kmod_module_parse_depline(struct kmod_module *mod, char *line)
{
struct kmod_ctx *ctx = mod->ctx;
struct kmod_list *list = NULL;
@@ -96,6 +96,10 @@
if (p == NULL)
return 0;
+ *p = '\0';
+ if (mod->path == NULL)
+ mod->path = strdup(line);
+
p++;
for (p = strtok_r(p, " \t", &saveptr); p != NULL;
@@ -276,14 +280,24 @@
KMOD_EXPORT struct kmod_list *kmod_module_get_dependencies(const struct kmod_module *mod)
{
- /* TODO: populate dependencies on demand */
struct kmod_list *l, *l_new, *list_new = NULL;
if (mod == NULL)
return NULL;
- if (!mod->init.dep)
- return NULL;
+ if (!mod->init.dep) {
+ /* lazy init */
+ char *line = kmod_search_moddep(mod->ctx, mod->name);
+
+ if (line == NULL)
+ return NULL;
+
+ kmod_module_parse_depline((struct kmod_module *)mod, line);
+ free(line);
+
+ if (!mod->init.dep)
+ return NULL;
+ }
kmod_list_foreach(l, mod->dep) {
l_new = kmod_list_append(list_new, kmod_module_ref(l->data));