misc/init-misc.c

   1 /* Define and initialize `__progname'.
   2 Copyright (C) 1994, 1995 Free Software Foundation, Inc.
   3 This file is part of the GNU C Library.
   4
   5 The GNU C Library is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU Library General Public License as
   7 published by the Free Software Foundation; either version 2 of the
   8 License, or (at your option) any later version.
   9
  10 The GNU C Library is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with the GNU C Library; see the file COPYING.LIB.  If
  17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  18 Cambridge, MA 02139, USA.  */
  19
  20 #include <string.h>
  21
  22 char *__progname = (char *) "";
  23
  24 void
  25 __init_misc (argc, argv, envp)
  26      int argc;
  27      char **argv;
  28      char **envp;
  29 {
  30   if (argv && argv[0])
  31     {
  32       char *p = strrchr (argv[0], '/');
  33       if (p == NULL)
  34         __progname = argv[0];
  35       else
  36         __progname = p + 1;
  37     }
  38 }
  39
  40 #ifdef HAVE_GNU_LD
  41 text_set_element (__libc_subinit, __init_misc);
  42 #endif