kc3-lang/gnulib/tests/test-setenv.c

• Show log

  Commit

• Hash : 1602f0af
  Author :
  Date : 2012-01-01T10:04:58
  

  maint: update all copyright year number ranges
  
  Run "make update-copyright".
  

Download

• tests/test-setenv.c

• /* Tests of setenv.
     Copyright (C) 2009-2012 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  
  /* Written by Eric Blake <ebb9@byu.net>, 2009.  */
  
  #include <config.h>
  
  #include <stdlib.h>
  
  #include "signature.h"
  SIGNATURE_CHECK (setenv, int, (char const *, char const *, int));
  
  #include <errno.h>
  #include <string.h>
  #include <unistd.h>
  
  #include "macros.h"
  
  int
  main (void)
  {
    /* Test overwriting.  */
    ASSERT (setenv ("a", "==", -1) == 0);
    ASSERT (setenv ("a", "2", 0) == 0);
    ASSERT (strcmp (getenv ("a"), "==") == 0);
  
    /* Required to fail with EINVAL.  */
    errno = 0;
    ASSERT (setenv ("", "", 1) == -1);
    ASSERT (errno == EINVAL);
    errno = 0;
    ASSERT (setenv ("a=b", "", 0) == -1);
    ASSERT (errno == EINVAL);
  #if 0
    /* glibc and gnulib's implementation guarantee this, but POSIX no
       longer requires it: http://austingroupbugs.net/view.php?id=185  */
    errno = 0;
    ASSERT (setenv (NULL, "", 0) == -1);
    ASSERT (errno == EINVAL);
  #endif
  
    return 0;
  }
  

Download