/* Evolution calendar - Miscellaneous utility functions * * Copyright (C) 2001 Ximian, Inc. * * Authors: Federico Mena-Quintero * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include #endif #include #include "misc.h" /** * string_is_empty: * @value: A string. * * Returns whether a string is NULL, the empty string, or completely made up of * whitespace characters. * * Return value: TRUE if the string is empty, FALSE otherwise. **/ gboolean string_is_empty (const char *value) { const char *p; gboolean empty; empty = TRUE; if (value) { p = value; while (*p) { if (!isspace ((unsigned char) *p)) { empty = FALSE; break; } p++; } } return empty; }