Branch data     Line data    Source code

       1                 :            : /* Test of getcwd() function.
       2                 :            :    Copyright (C) 2009-2012 Free Software Foundation, Inc.
       3                 :            : 
       4                 :            :    This program is free software: you can redistribute it and/or modify
       5                 :            :    it under the terms of the GNU General Public License as published by
       6                 :            :    the Free Software Foundation; either version 3 of the License, or
       7                 :            :    (at your option) any later version.
       8                 :            : 
       9                 :            :    This program 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
      12                 :            :    GNU General Public License for more details.
      13                 :            : 
      14                 :            :    You should have received a copy of the GNU General Public License
      15                 :            :    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
      16                 :            : 
      17                 :            : #include <config.h>
      18                 :            : 
      19                 :            : #include <unistd.h>
      20                 :            : 
      21                 :            : #include "signature.h"
      22                 :            : SIGNATURE_CHECK (getcwd, char *, (char *, size_t));
      23                 :            : 
      24                 :            : #include <errno.h>
      25                 :            : #include <stdio.h>
      26                 :            : #include <stdlib.h>
      27                 :            : #include <string.h>
      28                 :            : 
      29                 :            : #include "macros.h"
      30                 :            : 
      31                 :            : int
      32                 :          1 : main (int argc, char **argv)
      33                 :            : {
      34                 :            :   char *pwd1;
      35                 :            :   char *pwd2;
      36                 :            :   /* If the user provides an argument, attempt to chdir there first.  */
      37         [ -  + ]:          1 :   if (1 < argc)
      38                 :            :     {
      39         [ #  # ]:          0 :       if (chdir (argv[1]) == 0)
      40                 :          0 :         printf ("changed to directory %s\n", argv[1]);
      41                 :            :     }
      42                 :            : 
      43                 :          1 :   pwd1 = getcwd (NULL, 0);
      44 [ +  - ][ -  + ]:          1 :   ASSERT (pwd1 && *pwd1);
      45         [ -  + ]:          1 :   if (1 < argc)
      46                 :          0 :     printf ("cwd=%s\n", pwd1);
      47                 :            : 
      48                 :            :   /* Make sure the result is usable.  */
      49         [ -  + ]:          1 :   ASSERT (chdir (pwd1) == 0);
      50         [ -  + ]:          1 :   ASSERT (chdir (".//./.") == 0);
      51                 :            : 
      52                 :            :   /* Make sure that result is normalized.  */
      53                 :          1 :   pwd2 = getcwd (NULL, 0);
      54         [ -  + ]:          1 :   ASSERT (pwd2);
      55         [ -  + ]:          1 :   ASSERT (strcmp (pwd1, pwd2) == 0);
      56                 :          1 :   free (pwd2);
      57                 :            :   {
      58                 :          1 :     size_t len = strlen (pwd1);
      59                 :          1 :     ssize_t i = len - 10;
      60         [ -  + ]:          1 :     if (i < 1)
      61                 :          0 :       i = 1;
      62                 :          1 :     pwd2 = getcwd (NULL, len + 1);
      63         [ -  + ]:          1 :     ASSERT (pwd2);
      64                 :          1 :     free (pwd2);
      65                 :          1 :     pwd2 = malloc (len + 2);
      66         [ +  + ]:         12 :     for ( ; i <= len; i++)
      67                 :            :       {
      68                 :            :         char *tmp;
      69                 :         11 :         errno = 0;
      70         [ -  + ]:         11 :         ASSERT (getcwd (pwd2, i) == NULL);
      71         [ -  + ]:         11 :         ASSERT (errno == ERANGE);
      72                 :            :         /* Allow either glibc or BSD behavior, since POSIX allows both.  */
      73                 :         11 :         errno = 0;
      74                 :         11 :         tmp = getcwd (NULL, i);
      75         [ -  + ]:         11 :         if (tmp)
      76                 :            :           {
      77         [ #  # ]:          0 :             ASSERT (strcmp (pwd1, tmp) == 0);
      78                 :          0 :             free (tmp);
      79                 :            :           }
      80                 :            :         else
      81                 :            :           {
      82         [ -  + ]:         11 :             ASSERT (errno == ERANGE);
      83                 :            :           }
      84                 :            :       }
      85         [ -  + ]:          1 :     ASSERT (getcwd (pwd2, len + 1) == pwd2);
      86                 :          1 :     pwd2[len] = '/';
      87                 :          1 :     pwd2[len + 1] = '\0';
      88                 :            :   }
      89         [ -  + ]:          1 :   ASSERT (strstr (pwd2, "/./") == NULL);
      90         [ -  + ]:          1 :   ASSERT (strstr (pwd2, "/../") == NULL);
      91 [ -  + ][ -  + ]:          1 :   ASSERT (strstr (pwd2 + 1 + (pwd2[1] == '/'), "//") == NULL);
      92                 :            : 
      93                 :            :   /* Validate a POSIX requirement on size.  */
      94                 :          1 :   errno = 0;
      95         [ -  + ]:          1 :   ASSERT (getcwd(pwd2, 0) == NULL);
      96         [ -  + ]:          1 :   ASSERT (errno == EINVAL);
      97                 :            : 
      98                 :          1 :   free (pwd1);
      99                 :          1 :   free (pwd2);
     100                 :            : 
     101                 :          1 :   return 0;
     102                 :            : }