sysdeps/unix/make_errlist.c

   1 /* Copyright (C) 1991, 1992, 1995, 1997 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    License, or (at your option) any later version.
   8
   9    The GNU C Library 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 the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #include <stdio.h>
  20
  21 /* Make a definition for sys_errlist.  */
  22
  23 extern int sys_nerr;
  24 #ifndef HAVE_STRERROR
  25 extern char *sys_errlist[];
  26 #endif
  27
  28 int
  29 main ()
  30 {
  31   register int i;
  32
  33   puts ("#include <stddef.h>\n");
  34   puts ("\n/* This is a list of all known `errno' codes.  */\n");
  35
  36   printf ("\nconst int _sys_nerr = %d;\n\n", sys_nerr);
  37   puts ("const char *const _sys_errlist[] =\n  {");
  38
  39   for (i = 0; i < sys_nerr; ++i)
  40     printf ("    \"%s\",\n",
  41 #ifdef HAVE_STRERROR
  42           strerror (i)
  43 #else /* ! HAVE_STRERROR */
  44           sys_errlist[i]
  45 #endif /* HAVE_STRERROR */
  46           );
  47
  48   puts ("    NULL\n  };\n");
  49
  50   puts ("weak_alias (_sys_errlist, sys_errlist)");
  51   puts ("weak_alias (_sys_nerr, sys_nerr)");
  52
  53   exit (0);
  54 }