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/* Program name management.
Copyright (C) 2016 Free Software Foundation, Inc.
This program 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 2.1 of the License, or
(at your option) any later version.
This program 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 program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include "getprogname.h"
#include <errno.h> /* get program_invocation_name declaration */
#include <string.h>
#ifndef HAVE_GETPROGNAME
const char *
getprogname (void)
{
#if HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME
return program_invocation_short_name;
#elif HAVE_DECL_PROGRAM_INVOCATION_NAME
const char *base = program_invocation_name;
const char *slash;
slash = strrchr (base, '/');
if (slash != NULL)
base = slash + 1;
return base;
#else
#error "getprogname module not ported to this OS"
#endif
}
#endif
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