1 files changed, 74 insertions, 0 deletions
diff --git a/polyp/autoload.c b/polyp/autoload.c
new file mode 100644
index 00000000..f0d70d2d
--- /dev/null
+++ b/polyp/autoload.c
@@ -0,0 +1,74 @@
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "autoload.h"
+#include "module.h"
+#include "xmalloc.h"
+
+static void entry_free(struct pa_autoload_entry *e) {
+    assert(e);
+    pa_xfree(e->name);
+    pa_xfree(e->module);
+    pa_xfree(e->argument);
+    pa_xfree(e);
+}
+
+void pa_autoload_add(struct pa_core *c, const char*name, enum pa_namereg_type type, const char*module, const char *argument) {
+    struct pa_autoload_entry *e = NULL;
+    assert(c && name && module);
+    
+    if (c->autoload_hashmap && (e = pa_hashmap_get(c->autoload_hashmap, name))) {
+        pa_xfree(e->module);
+        pa_xfree(e->argument);
+    } else {
+        e = pa_xmalloc(sizeof(struct pa_autoload_entry));
+        e->name = pa_xstrdup(name);
+
+        if (!c->autoload_hashmap)
+            c->autoload_hashmap = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
+        assert(c->autoload_hashmap);
+
+        pa_hashmap_put(c->autoload_hashmap, e->name, e);
+    }
+
+    e->module = pa_xstrdup(module);
+    e->argument = pa_xstrdup(argument);
+    e->type = type;
+}
+
+int pa_autoload_remove(struct pa_core *c, const char*name, enum pa_namereg_type type) {
+    struct pa_autoload_entry *e;
+    assert(c && name && type);
+
+    if (!c->autoload_hashmap || !(e = pa_hashmap_get(c->autoload_hashmap, name)))
+        return -1;
+
+    pa_hashmap_remove(c->autoload_hashmap, e->name);
+    entry_free(e);
+    return 0;
+}
+
+void pa_autoload_request(struct pa_core *c, const char *name, enum pa_namereg_type type) {
+    struct pa_autoload_entry *e;
+    struct pa_module *m;
+    assert(c && name);
+
+    if (!c->autoload_hashmap || !(e = pa_hashmap_get(c->autoload_hashmap, name)) || (e->type != type))
+        return;
+
+    if ((m = pa_module_load(c, e->module, e->argument)))
+        m->auto_unload = 1;
+}
+
+static void free_func(void *p, void *userdata) {
+    struct pa_autoload_entry *e = p;
+    entry_free(e);
+}
+
+void pa_autoload_free(struct pa_core *c) {
+    if (!c->autoload_hashmap)
+        return;
+
+    pa_hashmap_free(c->autoload_hashmap, free_func, NULL);
+}