misc/tst-dirname.c

   1 /* Test program for dirname function a la XPG.
   2    Copyright (C) 1996 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Library General Public License as
   8    published by the Free Software Foundation; either version 2 of the
   9    License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Library General Public License for more details.
  15
  16    You should have received a copy of the GNU Library General Public
  17    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  18    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #define _GNU_SOURCE     1
  22 #include <libgen.h>
  23 #include <stdio.h>
  24 #include <string.h>
  25
  26
  27 extern int test __P ((const char *input, const char *result));
  28
  29 int
  30 test (input, result)
  31      const char *input;
  32      const char *result;
  33 {
  34   int retval;
  35   char *cp;
  36   cp = strdupa (input);
  37   cp = dirname (cp);
  38   retval = strcmp (cp, result);
  39   if (retval)
  40     printf ("dirname(\"%s\") should be \"%s\", but is \"%s\"\n",
  41             input, result, cp);
  42   return retval;
  43 }
  44
  45 int
  46 main ()
  47 {
  48   int result = 0;
  49
  50   /* These are the examples given in XPG4.2.  */
  51   result |= test ("/usr/lib", "/usr");
  52   result |= test ("/usr", "/");
  53   result |= test ("usr", ".");
  54   result |= test ("/", "/");
  55   result |= test (".", ".");
  56   result |= test ("..", ".");
  57
  58   return result != 0;
  59 }