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/* help.c -- general-purpose command line option parser
Copyright (C) 2016-2025 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/>.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <mailutils/alloc.h>
#include <mailutils/opt.h>
#include <mailutils/util.h>
char *mu_program_name;
char *mu_full_program_name;
static int progname_cleaner_installed;
static void
progname_cleaner (void *ptr)
{
free (mu_program_name);
mu_program_name = NULL;
free (mu_full_program_name);
mu_full_program_name = NULL;
progname_cleaner_installed = 0;
}
void
mu_set_program_name (const char *arg)
{
char *p;
p = mu_strdup (arg);
free (mu_full_program_name);
mu_full_program_name = p;
p = strrchr (mu_full_program_name, '/');
if (p)
++p;
else
p = (char*) mu_full_program_name;
if (strlen (p) > 3 && memcmp (p, "lt-", 3) == 0)
p += 3;
free (mu_program_name);
mu_program_name = mu_strdup (p);
if (!progname_cleaner_installed)
{
mu_onexit (progname_cleaner, NULL);
progname_cleaner_installed = 1;
}
}
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