glibc/misc/progname.c
1995-02-18 01:27:10 +00:00

51 lines
1.5 KiB
C

/* Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#ifdef HAVE_GNU_LD
#include <ansidecl.h>
#include <string.h>
char *program_invocation_name;
char *program_invocation_short_name;
static void
DEFUN(set_progname, (argc, argv, envp),
int argc AND char **argv AND char **envp)
{
char *p;
if (argv && argv[0])
{
program_invocation_name = argv[0];
p = strrchr (argv[0], '/');
if (p == NULL)
program_invocation_short_name = argv[0];
else
program_invocation_short_name = p + 1;
}
else
program_invocation_name = program_invocation_short_name = 0;
(void) &set_progname; /* Avoid "defined but not used" warning. */
}
text_set_element (__libc_subinit, set_progname);
#endif