database: Define chatlog database location

src/config/files.c

@@ -3,6 +3,7 @@
  * vim: expandtab:ts=4:sts=4:sw=4
  *
  * Copyright (C) 2012 - 2019 James Booth <boothj5@gmail.com>
+ * Copyright (C) 2020 Michael Vetter <jubalh@idoru.org>
  *
  * This file is part of Profanity.
  *
@@ -138,6 +139,22 @@ files_get_log_file(char *log_file)
     return result;
 }
 
+char*
+files_get_chatlog_database_path(void)
+{
+    gchar *xdg_data = _files_get_xdg_data_home();
+    GString *logfile = g_string_new(xdg_data);
+
+    g_string_append(logfile, "/profanity/chatlog.db");
+
+    char *result = strdup(logfile->str);
+
+    free(xdg_data);
+    g_string_free(logfile, TRUE);
+
+    return result;
+}
+
 char*
 files_get_config_path(char *config_base)
 {

src/config/files.h

@@ -60,6 +60,7 @@ void files_create_directories(void);
 
 char* files_get_config_path(char *config_base);
 char* files_get_data_path(char *data_base);
+char* files_get_chatlog_database_path(void);
 
 char* files_get_log_file(char *log_file);
 char* files_get_inputrc_file(void);