1 files changed, 105 insertions, 0 deletions
diff --git a/src/plugins/plugin_manager.c b/src/plugins/plugin_manager.c
new file mode 100644
index 0000000..a135e06
--- /dev/null
+++ b/src/plugins/plugin_manager.c
@@ -0,0 +1,105 @@
+
+#include "plugin_manager.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dlfcn.h>
+
+// Linked list node for plugins.
+typedef struct PluginNode
+{
+    ZPlugin *plugin;
+    void *handle; // dlopen handle (NULL for built-ins).
+    struct PluginNode *next;
+} PluginNode;
+
+static PluginNode *head = NULL;
+
+void zptr_plugin_mgr_init(void)
+{
+    head = NULL;
+}
+
+void zptr_register_plugin(ZPlugin *plugin)
+{
+    if (!plugin)
+    {
+        return;
+    }
+
+    if (zptr_find_plugin(plugin->name))
+    {
+        return;
+    }
+
+    PluginNode *node = malloc(sizeof(PluginNode));
+    node->plugin = plugin;
+    node->handle = NULL;
+    node->next = head;
+    head = node;
+}
+
+int zptr_load_plugin(const char *path)
+{
+    void *handle = dlopen(path, RTLD_LAZY);
+    if (!handle)
+    {
+        fprintf(stderr, "Failed to load plugin '%s': %s\n", path, dlerror());
+        return 0;
+    }
+
+    ZPluginInitFn init_fn = (ZPluginInitFn)dlsym(handle, "z_plugin_init");
+    if (!init_fn)
+    {
+        fprintf(stderr, "Plugin '%s' missing 'z_plugin_init' symbol\n", path);
+        dlclose(handle);
+        return 0;
+    }
+
+    ZPlugin *plugin = init_fn();
+    if (!plugin)
+    {
+        fprintf(stderr, "Plugin '%s' init returned NULL\n", path);
+        dlclose(handle);
+        return 0;
+    }
+
+    // Register
+    PluginNode *node = malloc(sizeof(PluginNode));
+    node->plugin = plugin;
+    node->handle = handle;
+    node->next = head;
+    head = node;
+
+    return 1;
+}
+
+ZPlugin *zptr_find_plugin(const char *name)
+{
+    PluginNode *curr = head;
+    while (curr)
+    {
+        if (strcmp(curr->plugin->name, name) == 0)
+        {
+            return curr->plugin;
+        }
+        curr = curr->next;
+    }
+    return NULL;
+}
+
+void zptr_plugin_mgr_cleanup(void)
+{
+    PluginNode *curr = head;
+    while (curr)
+    {
+        PluginNode *next = curr->next;
+        if (curr->handle)
+        {
+            dlclose(curr->handle);
+        }
+        free(curr);
+        curr = next;
+    }
+    head = NULL;
+}