glibc/misc/progname.c
Roland McGrath 45b28a8f0b Tue Apr 4 00:48:53 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* misc/progname.c (program_invocation_name,
 	program_invocation_short_name): Make these initialized data
 	definitions.

	* sysdeps/mach/hurd/setitimer.c (fork_itimer): Add self reference
 	so gcc doesn't optimize out the function entirely.
1995-04-04 21:53:15 +00:00

54 lines
1.7 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>
/* These must be initialized data definitions. Common definitions satisfy
references to these variables, but do not cause the whole file to be
linked in, and so omit the set-up function. */
char *program_invocation_name = NULL;
char *program_invocation_short_name = NULL;
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