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[disorder] / lib / email.c
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RK
1/*
2 * This file is part of DisOrder
3 * Copyright (C) 2008 Richard Kettlewell
4 *
e7eb3a27 5 * This program is free software: you can redistribute it and/or modify
f66203a2 6 * it under the terms of the GNU General Public License as published by
e7eb3a27 7 * the Free Software Foundation, either version 3 of the License, or
f66203a2 8 * (at your option) any later version.
e7eb3a27
RK
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
f66203a2 15 * You should have received a copy of the GNU General Public License
e7eb3a27 16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 */
18
19/** @file lib/email.c
20 * @brief Email addresses
21 */
22
23#include "common.h"
24
25#include "sendmail.h"
26
27/** @brief Test email address validity
28 * @param address to verify
29 * @return 1 if it might be valid, 0 if it is definitely not
30 *
31 * This function doesn't promise to tell you whether an address is deliverable,
32 * it just does basic syntax checks.
33 */
34int email_valid(const char *address) {
35 /* There must be an '@' sign */
36 const char *at = strchr(address, '@');
37 if(!at)
38 return 0;
39 /* There must be only one of them */
40 if(strchr(at + 1, '@'))
41 return 0;
42 /* It mustn't be the first or last character */
43 if(at == address || !at[1])
44 return 0;
45 /* Local part must be valid */
46 /* TODO */
47 /* Domain part must be valid */
48 /* TODO */
49 return 1;
50}
51
52/*
53Local Variables:
54c-basic-offset:2
55comment-column:40
56fill-column:79
57indent-tabs-mode:nil
58End:
59*/