mdw@git.distorted.org.uk Git - disorder/blob - lib/email.c

   1 /*
   2  * This file is part of DisOrder
   3  * Copyright (C) 2008 Richard Kettlewell
   4  *
   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.
   9  *
  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.
  14  *
  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
  18  * USA
  19  */
  20
  21 /** @file lib/email.c
  22  * @brief Email addresses
  23  */
  24
  25 #include "common.h"
  26
  27 #include "sendmail.h"
  28
  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
  32  *
  33  * This function doesn't promise to tell you whether an address is deliverable,
  34  * it just does basic syntax checks.
  35  */
  36 int email_valid(const char *address) {
  37   /* There must be an '@' sign */
  38   const char *at = strchr(address, '@');
  39   if(!at)
  40     return 0;
  41   /* There must be only one of them */
  42   if(strchr(at + 1, '@'))
  43     return 0;
  44   /* It mustn't be the first or last character */
  45   if(at == address || !at[1])
  46     return 0;
  47   /* Local part must be valid */
  48   /* TODO */
  49   /* Domain part must be valid */
  50   /* TODO */
  51   return 1;
  52 }
  53
  54 /*
  55 Local Variables:
  56 c-basic-offset:2
  57 comment-column:40
  58 fill-column:79
  59 indent-tabs-mode:nil
  60 End:
  61 */