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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [ada/] [argv.c] - Blame information for rev 826

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1 281 jeremybenn
/****************************************************************************
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 *                                                                          *
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 *                         GNAT COMPILER COMPONENTS                         *
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 *                                                                          *
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 *                                A R G V                                   *
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 *                                                                          *
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 *                          C Implementation File                           *
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 *                                                                          *
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 *         Copyright (C) 1992-2009, Free Software Foundation, Inc.          *
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 *                                                                          *
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 * GNAT is free software;  you can  redistribute it  and/or modify it under *
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 * terms of the  GNU General Public License as published  by the Free Soft- *
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 * ware  Foundation;  either version 3,  or (at your option) any later ver- *
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 * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *
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 * OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY *
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 * or FITNESS FOR A PARTICULAR PURPOSE.                                     *
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 *                                                                          *
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 * As a special exception under Section 7 of GPL version 3, you are granted *
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 * additional permissions described in the GCC Runtime Library Exception,   *
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 * version 3.1, as published by the Free Software Foundation.               *
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 *                                                                          *
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 * You should have received a copy of the GNU General Public License and    *
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 * a copy of the GCC Runtime Library Exception along with this program;     *
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 * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    *
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 * <http://www.gnu.org/licenses/>.                                          *
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 *                                                                          *
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 * GNAT was originally developed  by the GNAT team at  New York University. *
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 * Extensive contributions were provided by Ada Core Technologies Inc.      *
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 *                                                                          *
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 ****************************************************************************/
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/* Routines for accessing command line arguments from both the runtime
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   library and from the compiler itself. In the former case, gnat_argc
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   and gnat_argv are the original argc and argv values as stored by the
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   binder generated main program, and these routines are accessed from
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   the Ada.Command_Line package. In the compiler case, gnat_argc and
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   gnat_argv are the values as modified by toplev, and these routines
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   are accessed from the Osint package. */
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/* Also routines for accessing the environment from the runtime library.
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   Gnat_envp is the original envp value as stored by the binder generated
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   main program, and these routines are accessed from the
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   Ada.Command_Line.Environment package. */
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#ifdef IN_RTS
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#include "tconfig.h"
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#include "tsystem.h"
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#include <sys/stat.h>
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#else
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#include "config.h"
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#include "system.h"
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#endif
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#include "adaint.h"
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/* argc and argv of the main program are saved under gnat_argc and gnat_argv,
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   envp of the main program is saved under gnat_envp.  */
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int gnat_argc = 0;
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const char **gnat_argv = (const char **) 0;
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const char **gnat_envp = (const char **) 0;
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#if defined (_WIN32) && !defined (RTX)
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/* Note that on Windows environment the environ point to a buffer that could
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   be reallocated if needed. It means that gnat_envp needs to be updated
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   before using gnat_envp to point to the right environment space */
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#include <stdlib.h>
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/* for the environ variable definition */
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#define gnat_envp (environ)
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#endif
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int
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__gnat_arg_count (void)
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{
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  return gnat_argc;
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}
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int
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__gnat_len_arg (int arg_num)
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{
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  if (gnat_argv != NULL)
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    return strlen (gnat_argv[arg_num]);
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  else
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    return 0;
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}
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void
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__gnat_fill_arg (char *a, int i)
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{
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  if (gnat_argv != NULL)
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    strncpy (a, gnat_argv[i], strlen(gnat_argv[i]));
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}
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int
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__gnat_env_count (void)
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{
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  int i;
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  for (i = 0; gnat_envp[i]; i++)
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    ;
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  return i;
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}
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int
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__gnat_len_env (int env_num)
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{
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  if (gnat_envp != NULL)
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    return strlen (gnat_envp[env_num]);
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  else
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    return 0;
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}
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void
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__gnat_fill_env (char *a, int i)
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{
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  if (gnat_envp != NULL)
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    strncpy (a, gnat_envp[i], strlen (gnat_envp[i]));
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}

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