[PATCH 1/2] cli: abstract common config get/set code

[Jani Nikula]

Pretty straightforward abstraction similar to get/set list.
---
 notmuch-config.c |   80 ++++++++++++++++++++----------------------------------
 1 file changed, 29 insertions(+), 51 deletions(-)

diff --git a/notmuch-config.c b/notmuch-config.c
index befe9b5..305d213 100644
--- a/notmuch-config.c
+++ b/notmuch-config.c
@@ -496,6 +496,29 @@ notmuch_config_is_new (notmuch_config_t *config)
     return config->is_new;
 }
 
+static const char *
+_config_get (notmuch_config_t *config, char **field,
+	     const char *group, const char *key)
+{
+    if (*field == NULL) {
+	char *value;
+	value = g_key_file_get_string (config->key_file, group, key, NULL);
+	if (value) {
+	    *field = talloc_strdup (config, value);
+	    free (value);
+	}
+    }
+    return *field;
+}
+
+static void
+_config_set (notmuch_config_t *config, char **field,
+	     const char *group, const char *key, const char *value)
+{
+    g_key_file_set_string (config->key_file, group, key, value);
+    talloc_free (*field);
+    *field = NULL;
+}
 
 static const char **
 _config_get_list (notmuch_config_t *config,
@@ -542,85 +565,40 @@ _config_set_list (notmuch_config_t *config,
 const char *
 notmuch_config_get_database_path (notmuch_config_t *config)
 {
-    char *path;
-
-    if (config->database_path == NULL) {
-	path = g_key_file_get_string (config->key_file,
-				      "database", "path", NULL);
-	if (path) {
-	    config->database_path = talloc_strdup (config, path);
-	    free (path);
-	}
-    }
-
-    return config->database_path;
+    return _config_get (config, &config->database_path, "database", "path");
 }
 
 void
 notmuch_config_set_database_path (notmuch_config_t *config,
 				  const char *database_path)
 {
-    g_key_file_set_string (config->key_file,
-			   "database", "path", database_path);
-
-    talloc_free (config->database_path);
-    config->database_path = NULL;
+    _config_set (config, &config->database_path, "database", "path", database_path);
 }
 
 const char *
 notmuch_config_get_user_name (notmuch_config_t *config)
 {
-    char *name;
-
-    if (config->user_name == NULL) {
-	name = g_key_file_get_string (config->key_file,
-				      "user", "name", NULL);
-	if (name) {
-	    config->user_name = talloc_strdup (config, name);
-	    free (name);
-	}
-    }
-
-    return config->user_name;
+    return _config_get (config, &config->user_name, "user", "name");
 }
 
 void
 notmuch_config_set_user_name (notmuch_config_t *config,
 			      const char *user_name)
 {
-    g_key_file_set_string (config->key_file,
-			   "user", "name", user_name);
-
-    talloc_free (config->user_name);
-    config->user_name = NULL;
+    _config_set (config, &config->user_name, "user", "name", user_name);
 }
 
 const char *
 notmuch_config_get_user_primary_email (notmuch_config_t *config)
 {
-    char *email;
-
-    if (config->user_primary_email == NULL) {
-	email = g_key_file_get_string (config->key_file,
-				       "user", "primary_email", NULL);
-	if (email) {
-	    config->user_primary_email = talloc_strdup (config, email);
-	    free (email);
-	}
-    }
-
-    return config->user_primary_email;
+    return _config_get (config, &config->user_primary_email, "user", "primary_email");
 }
 
 void
 notmuch_config_set_user_primary_email (notmuch_config_t *config,
 				       const char *primary_email)
 {
-    g_key_file_set_string (config->key_file,
-			   "user", "primary_email", primary_email);
-
-    talloc_free (config->user_primary_email);
-    config->user_primary_email = NULL;
+    _config_set (config, &config->user_primary_email, "user", "primary_email", primary_email);
 }
 
 const char **
-- 
1.7.10.4