From 388d2e1f443a2f75d7324f069837fbec6cd5435b Mon Sep 17 00:00:00 2001
From: Timo Sirainen <cras@irssi.org>
Date: Sun, 21 Oct 2001 16:23:43 +0000
Subject: [PATCH] deinit() function is now checked and saved when loading
 module. Unloading modules that had module_deinit() function (not
 module_core_deinit()) wasn't called before. Also, error message wasn't
 printed if module didn't have the _core part and wasn't really irssi module.

git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1882 dbcabf3a-b0e7-0310-adc4-f8d773084564
---
 src/core/modules-load.c | 31 ++++++++++++++-----------------
 src/core/modules.h      |  1 +
 2 files changed, 15 insertions(+), 17 deletions(-)

diff --git a/src/core/modules-load.c b/src/core/modules-load.c
index db554ef7..17f50e55 100644
--- a/src/core/modules-load.c
+++ b/src/core/modules-load.c
@@ -154,10 +154,12 @@ static int module_load_name(const char *path, const char *rootmodule,
 			    const char *submodule, int silent)
 {
 	void (*module_init) (void);
+	void (*module_deinit) (void);
 	GModule *gmodule;
         MODULE_REC *module;
 	MODULE_FILE_REC *rec;
-	char *initfunc;
+	char *initfunc, *deinitfunc;
+        int found;
 
 	gmodule = module_open(path);
 	if (gmodule == NULL) {
@@ -168,18 +170,20 @@ static int module_load_name(const char *path, const char *rootmodule,
 		return -1;
 	}
 
-	/* get the module's init() function */
+	/* get the module's init() and deinit() functions */
 	initfunc = module_get_func(rootmodule, submodule, "init");
+	deinitfunc = module_get_func(rootmodule, submodule, "deinit");
+	found = g_module_symbol(gmodule, initfunc, (gpointer *) &module_init) &&
+		g_module_symbol(gmodule, deinitfunc, (gpointer *) &module_deinit);
+	g_free(initfunc);
+	g_free(deinitfunc);
 
-	if (!g_module_symbol(gmodule, initfunc, (gpointer *) &module_init)) {
-		if (!silent)
-			module_error(MODULE_ERROR_INVALID, NULL,
-				     rootmodule, submodule);
+	if (!found) {
+		module_error(MODULE_ERROR_INVALID, NULL,
+			     rootmodule, submodule);
 		g_module_close(gmodule);
-		g_free(initfunc);
 		return 0;
 	}
-	g_free(initfunc);
 
 	/* Call the module's init() function - it should register itself
 	   with module_register() function, abort if it doesn't. */
@@ -200,6 +204,7 @@ static int module_load_name(const char *path, const char *rootmodule,
                 return 0;
 	}
 
+        rec->module_deinit = module_deinit;
 	rec->gmodule = gmodule;
         rec->initialized = TRUE;
 
@@ -344,16 +349,8 @@ int module_load_sub(const char *path, const char *submodule, char **prefixes)
 
 static void module_file_deinit_gmodule(MODULE_FILE_REC *file)
 {
-	void (*module_deinit) (void);
-	char *deinitfunc;
-
 	/* call the module's deinit() function */
-	deinitfunc = module_get_func(file->root->name, file->name, "deinit");
-	if (g_module_symbol(file->gmodule, deinitfunc,
-			    (gpointer *) &module_deinit))
-		module_deinit();
-
-	g_free(deinitfunc);
+        file->module_deinit();
 
 	if (file->defined_module_name != NULL) {
 		settings_remove_module(file->defined_module_name);
diff --git a/src/core/modules.h b/src/core/modules.h
index 5677cace..75a77c77 100644
--- a/src/core/modules.h
+++ b/src/core/modules.h
@@ -36,6 +36,7 @@ typedef struct {
 	MODULE_REC *root;
 	char *name;
         char *defined_module_name;
+	void (*module_deinit) (void);
 
 #ifdef HAVE_GMODULE
 	GModule *gmodule; /* static, if NULL */