argp.c
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2002, 2005,
2007 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <sieve.h>
#include <mailutils/argp.h>
#include <string.h>
mu_list_t mu_sieve_include_path = NULL;
mu_list_t mu_sieve_library_path = NULL;
static error_t sieve_argp_parser (int key, char *arg, struct argp_state *state);
#define CLEARPATH_OPTION 256
/* Options used by programs that use extended authentication mechanisms. */
static struct argp_option sieve_argp_option[] = {
{ "includedir", 'I', N_("DIR"), 0,
N_("Append directory DIR to the list of directories searched for include files"), 0 },
{ "libdir", 'L', N_("DIR"), 0,
N_("Append directory DIR to the list of directories searched for library files"), 0 },
{ "clearpath", CLEARPATH_OPTION, NULL, 0,
N_("Clear Sieve load path"), 0 },
{ NULL, 0, NULL, 0, NULL, 0 }
};
static struct argp sieve_argp = {
sieve_argp_option,
sieve_argp_parser,
};
static struct argp_child sieve_argp_child = {
&sieve_argp,
0,
"Sieve options",
0
};
static void
destroy_string (void *str)
{
free (str);
}
static error_t
sieve_argp_parser (int key, char *arg, struct argp_state *state)
{
mu_list_t *plist = NULL;
switch (key)
{
case 'I':
plist = &mu_sieve_include_path;
break;
case 'L':
plist = &mu_sieve_library_path;
break;
case CLEARPATH_OPTION:
mu_list_destroy (&mu_sieve_library_path);
break;
case ARGP_KEY_INIT:
#ifdef SIEVE_MODDIR
plist = &mu_sieve_library_path;
arg = SIEVE_MODDIR;
#endif
break;
case ARGP_KEY_FINI:
sieve_load_add_path (mu_sieve_library_path);
break;
default:
return ARGP_ERR_UNKNOWN;
}
if (plist)
{
if (!*plist)
{
int rc = mu_list_create (plist);
if (rc)
{
argp_error (state, "can't create list: %s",
mu_strerror (rc));
exit (1);
}
mu_list_set_destroy_item (*plist, destroy_string);
}
mu_list_append (*plist, strdup (arg));
}
return 0;
}
void
mu_sieve_argp_init ()
{
if (mu_register_capa ("sieve", &sieve_argp_child, NULL))
{
mu_error ("INTERNAL ERROR: cannot register argp capability sieve");
abort ();
}
}