[Feature] Add util.unlink function

diff --git a/src/lua/lua_util.c b/src/lua/lua_util.c
index 3837e423aab7f26f87155dd871ba3217b784eb09..52edb714fbabd5d097e6b8ba7bcb47a3fc5792c9 100644 (file)
--- a/src/lua/lua_util.c
+++ b/src/lua/lua_util.c
@@ -252,6 +252,15 @@ LUA_FUNCTION_DEF (util, get_ticks);
  */
 LUA_FUNCTION_DEF (util, stat);
 
+/***
+ * @function util.unlink(fname)
+ * Removes the specified file from the filesystem
+ *
+ * @param {string} fname filename to remove
+ * @return {boolean,[string]} true if file has been deleted or false,'error string'
+ */
+LUA_FUNCTION_DEF (util, unlink);
+
 static const struct luaL_reg utillib_f[] = {
        LUA_INTERFACE_DEF (util, create_event_base),
        LUA_INTERFACE_DEF (util, load_rspamd_config),
@@ -278,6 +287,7 @@ static const struct luaL_reg utillib_f[] = {
        LUA_INTERFACE_DEF (util, strequal_caseless),
        LUA_INTERFACE_DEF (util, get_ticks),
        LUA_INTERFACE_DEF (util, stat),
+       LUA_INTERFACE_DEF (util, unlink),
        {NULL, NULL}
 };
 
@@ -1142,6 +1152,33 @@ lua_util_stat (lua_State *L)
        return 2;
 }
 
+static gint
+lua_util_unlink (lua_State *L)
+{
+       const gchar *fpath;
+       gint ret;
+
+       fpath = luaL_checkstring (L, 1);
+
+       if (fpath) {
+               ret = unlink (fpath);
+
+               if (ret == -1) {
+                       lua_pushboolean (L, false);
+                       lua_pushstring (L, strerror (errno));
+
+                       return 2;
+               }
+
+               lua_pushboolean (L, true);
+       }
+       else {
+               return luaL_error (L, "invalid arguments");
+       }
+
+       return 1;
+}
+
 static gint
 lua_load_util (lua_State * L)
 {