mhparam.c
3.35 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2003, 2007, 2008 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301 USA */
/* MH mhparam command */
#include <mh.h>
const char *program_version = "mhparam (" PACKAGE_STRING ")";
static char doc[] = N_("GNU MH mhparam")"\v"
N_("Use -help to obtain the list of traditional MH options.");
static char args_doc[] = N_("[components]");
/* GNU options */
static struct argp_option options[] = {
{"all", ARG_ALL, NULL, 0,
N_("Display all components from the MH profile. All other arguments are ignored")},
{"component", ARG_COMPONENT, N_("BOOL"), OPTION_ARG_OPTIONAL,
N_("Always display the component name") },
{"license", ARG_LICENSE, 0, 0,
N_("Display software license"), -1},
{ 0 }
};
/* Traditional MH options */
struct mh_option mh_option[] = {
{ "all", 1, 0 },
{ "component", 1, MH_OPT_BOOL},
{ 0 }
};
static int display_all;
static int display_comp_name = -1;
static int
opt_handler (int key, char *arg, void *unused, struct argp_state *state)
{
switch (key)
{
case ARG_ALL:
display_all = 1;
break;
case ARG_COMPONENT:
display_comp_name = is_true (arg);
break;
case ARG_LICENSE:
mh_license (argp_program_version);
break;
default:
return 1;
}
return 0;
}
static struct {
char *comp;
char *val;
} defvaltab[] = {
{ "etcdir", MHLIBDIR },
{ "libdir", MHLIBDIR },
{ "bindir", MHBINDIR },
};
char *
mhparam_defval (char *comp)
{
int i;
for (i = 0; i < sizeof(defvaltab)/sizeof(defvaltab[0]); i++)
if (strcasecmp(defvaltab[i].comp, comp) == 0)
return defvaltab[i].val;
return NULL;
}
int
mhparam_iterator (const char *comp, const char *value, void *data MU_ARG_UNUSED)
{
if (display_comp_name)
printf("%s:\t", comp);
printf("%s\n", value);
return 0;
}
void
mhparam (char *comp)
{
if (comp)
{
const char *val = mh_global_profile_get (comp, NULL);
if (!val)
val = mhparam_defval (comp);
if (!val)
return;
if (display_comp_name)
printf("%s:\t", comp);
printf("%s\n", val);
}
else
{
mh_global_profile_iterate (mhparam_iterator, NULL);
}
}
int
main (int argc, char **argv)
{
int index;
/* Native Language Support */
MU_APP_INIT_NLS ();
mh_argp_init (program_version);
mh_argp_parse (&argc, &argv, 0, options, mh_option, args_doc, doc,
opt_handler, NULL, &index);
if (display_all)
{
if (display_comp_name == -1)
display_comp_name = 1;
mhparam (NULL);
}
else
{
if (display_comp_name == -1)
display_comp_name = argc - index > 1;
for (; index < argc; index++)
mhparam (argv[index]);
}
return 0;
}