libf2c/libU77/chmod_.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
  20 /* This definitely shouldn't be done this way -- should canibalise
  21    chmod(1) from GNU or BSD. */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26 #if HAVE_UNISTD_H
  27 #  include <unistd.h>
  28 #endif
  29 #if HAVE_STDLIB_H
  30 #  include <stdlib.h>
  31 #else
  32 #  include <stdio.h>
  33 #endif
  34 #if STDC_HEADERS
  35 #  include <string.h>
  36 #endif
  37
  38 #include "f2c.h"
  39
  40 #ifndef CHMOD_PATH
  41 #define CHMOD_PATH "/bin/chmod"
  42 #endif
  43
  44 extern void s_cat (char *lp, char *rpp[], ftnlen rnp[], ftnlen * np,
  45                    ftnlen ll);
  46 void g_char (const char *a, ftnlen alen, char *b);
  47
  48 integer
  49 G77_chmod_0 ( /* const */ char *name, /* const */ char *mode,
  50              const ftnlen Lname, const ftnlen Lmode)
  51 {
  52   char *buff;
  53   int i;
  54   ftnlen l, l2;
  55   ftnlen six = 6;
  56   address a[6];
  57   ftnlen ii[6];
  58   char chmod_path[] = CHMOD_PATH;
  59   l = strlen (chmod_path);
  60   buff = malloc (Lname + Lmode + l + 3 + 13 + 1);
  61   if (!buff)
  62     return -1;
  63   ii[0] = l;
  64   a[0] = chmod_path;
  65   ii[1] = 1;
  66   a[1] = " ";
  67   ii[2] = Lmode;
  68   a[2] = mode;
  69   ii[3] = 2;
  70   a[3] = " '";
  71   for (l2 = Lname; (l2 > 1) && (name[l2 - 1] == ' ');)
  72     l2--;
  73   ii[4] = l2;
  74   a[4] = name;
  75   ii[5] = 13;
  76   a[5] = "' 2>/dev/null";
  77   s_cat (buff, a, ii, &six, Lname + Lmode + l + 3 + 13);
  78   buff[Lname + Lmode + l + 3 + 13] = '\0';
  79   i = system (buff);
  80   free (buff);
  81   return i;
  82 }