diff options
| author | Aleksander Morgado <aleksander@lanedo.com> | 2011-12-09 18:54:13 +0100 |
|---|---|---|
| committer | Aleksander Morgado <aleksander@lanedo.com> | 2012-03-15 14:14:33 +0100 |
| commit | 46248460156fd8d558372df3c1a06f9d06aad15e (patch) | |
| tree | 3820285c241da0c5c9fa13ff4c83282d1cdcdbae /libmm-glib/mm-helpers.h | |
| parent | 62469445101babdff53d238e602d7e988dbaa0cb (diff) | |
libmm-glib: return NULL instead of empty strings
Diffstat (limited to 'libmm-glib/mm-helpers.h')
| -rw-r--r-- | libmm-glib/mm-helpers.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/libmm-glib/mm-helpers.h b/libmm-glib/mm-helpers.h new file mode 100644 index 00000000..2e8cb589 --- /dev/null +++ b/libmm-glib/mm-helpers.h @@ -0,0 +1,45 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * libmm -- Access modem status & information from glib applications + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA. + * + * Copyright (C) 2011 Aleksander Morgado <aleksander@gnu.org> + */ + +#ifndef _MM_HELPERS_H_ +#define _MM_HELPERS_H_ + +#define RETURN_NON_EMPTY_CONSTANT_STRING(input) do { \ + const gchar *str; \ + \ + str = (input); \ + if (str && str[0]) \ + return str; \ + } while (0); \ + return NULL + +#define RETURN_NON_EMPTY_STRING(input) do { \ + gchar *str; \ + \ + str = (input); \ + if (str && str[0]) \ + return str; \ + g_free (str); \ + } while (0); \ + return NULL + +#endif /* _MM_HELPERS_H_ */ |