2 * This file is part of DisOrder
3 * Copyright (C) 2008 Richard Kettlewell
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
22 * @brief Email addresses
29 /** @brief Test email address validity
30 * @param address to verify
31 * @return 1 if it might be valid, 0 if it is definitely not
33 * This function doesn't promise to tell you whether an address is deliverable,
34 * it just does basic syntax checks.
36 int email_valid(const char *address) {
37 /* There must be an '@' sign */
38 const char *at = strchr(address, '@');
41 /* There must be only one of them */
42 if(strchr(at + 1, '@'))
44 /* It mustn't be the first or last character */
45 if(at == address || !at[1])
47 /* Local part must be valid */
49 /* Domain part must be valid */