gcc/f/runtime/libU77/chdir_.c

   1 /* Copyright (C) 1995, 1997 Free Software Foundation, Inc.
   2 This file is part of GNU Fortran libU77 library.
   3
   4 This library is free software; you can redistribute it and/or modify it
   5 under the terms of the GNU Library General Public License as published
   6 by the Free Software Foundation; either version 2 of the License, or
   7 (at your option) any later version.
   8
   9 GNU Fortran is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with GNU Fortran; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17 Boston, MA 02111-1307, USA.  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #include "config.h"
  21 #endif
  22 #if HAVE_UNISTD_H
  23 #  include <unistd.h>
  24 #endif
  25 #if HAVE_STDLIB_H
  26 #  include <stdlib.h>
  27 #else
  28 #  include <stdio.h>
  29 #endif
  30
  31 #include <errno.h>
  32 #include "f2c.h"
  33
  34
  35 #ifdef KR_headers
  36 void g_char ();
  37
  38 integer G77_chdir_0 (name, Lname)
  39      char *name;
  40      ftnlen Lname;
  41 #else
  42 void g_char(const char *a, ftnlen alen, char *b);
  43
  44 integer G77_chdir_0 (const char *name, const ftnlen Lname)
  45 #endif
  46 {
  47   char *buff;
  48   char *bp, *blast;
  49   int i;
  50
  51   buff = malloc (Lname+1);
  52   if (buff == NULL) return -1;
  53   g_char (name, Lname, buff);
  54   i = chdir (buff);
  55   free (buff);
  56   return i ? errno : 0;
  57 }