add support for per-module version numbers

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@5862 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 20 insertions, 3 deletions

diff --git a/loader.c b/loader.c
index 4403652e4..6c3f9ef21 100755
--- a/loader.c
+++ b/loader.c
@@ -51,6 +51,7 @@ struct module {
 	char *(*description)(void);
 	char *(*key)(void);
 	int (*reload)(void);
+	const char *(*version)(void);
 	void *lib;
 	char resource[256];
 	struct module *next;
@@ -252,6 +253,11 @@ int ast_module_reload(const char *name)
 	return reloaded;
 }
 
+static const char *unknown_version(void)
+{
+	return "--unknown--";
+}
+
 static int __load_resource(const char *resource_name, const struct ast_config *cfg)
 {
 	static char fn[256];
@@ -347,9 +353,17 @@ static int __load_resource(const char *resource_name, const struct ast_config *c
 		ast_log(LOG_WARNING, "No key routine in module %s\n", fn);
 		errors++;
 	}
+
 	m->reload = dlsym(m->lib, "reload");
 	if (m->reload == NULL)
 		m->reload = dlsym(m->lib, "_reload");
+
+	m->version = dlsym(m->lib, "version");
+	if (m->version == NULL)
+		m->version = dlsym(m->lib, "_version");
+	if (m->version == NULL)
+		m->version = unknown_version;
+
 	if (!m->key || !(key = m->key())) {
 		ast_log(LOG_WARNING, "Key routine returned NULL in module %s\n", fn);
 		key = NULL;
@@ -549,20 +563,23 @@ void ast_update_use_count(void)
 	
 }
 
-int ast_update_module_list(int (*modentry)(char *module, char *description, int usecnt, char *like), char *like)
+int ast_update_module_list(int (*modentry)(const char *module, const char *description, int usecnt, const char *version, const char *like),
+			   const char *like)
 {
 	struct module *m;
 	int unlock = -1;
 	int total_mod_loaded = 0;
+
 	if (ast_mutex_trylock(&modlock))
 		unlock = 0;
 	m = module_list;
-	while(m) {
-		total_mod_loaded += modentry(m->resource, m->description(), m->usecount(), like);
+	while (m) {
+		total_mod_loaded += modentry(m->resource, m->description(), m->usecount(), m->version(), like);
 		m = m->next;
 	}
 	if (unlock)
 		ast_mutex_unlock(&modlock);
+
 	return total_mod_loaded;
 }