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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2025 Free Software Foundation, Inc.
GNU Mailutils 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 3, or (at your option)
any later version.
GNU Mailutils 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 GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#include "mail.h"
#include <pwd.h>
static mu_list_t alternate_names = NULL;
static char *my_email;
static char *my_name;
/*
* alt[ernates] name...
*/
int
mail_alt (int argc, char **argv)
{
if (argc == 1)
{
if (alternate_names)
{
util_slist_print (alternate_names, 0);
mu_printf ("\n");
}
}
else
{
util_slist_destroy (&alternate_names);
while (--argc)
util_slist_add (&alternate_names, *++argv);
}
return 0;
}
char *
mail_whoami ()
{
return my_name;
}
void
mail_set_my_name (char *name)
{
if (!name)
{
struct passwd *pw = getpwuid (getuid ());
if (!pw)
{
mu_error (_("Cannot determine my username"));
exit (1);
}
name = pw->pw_name;
}
my_name = mu_strdup (name);
my_email = mu_get_user_email (name);
if (!my_email)
{
mu_error(_("Cannot determine my email address: %s"),
mu_strerror (errno));
exit (1);
}
}
int
mail_is_my_name (const char *name)
{
if (strchr(name, '@') == NULL && mu_c_strcasecmp (name, my_name) == 0)
return 1;
if (mu_c_strcasecmp (name, my_email) == 0)
return 1;
return util_slist_lookup (alternate_names, name);
}
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