misc/tst-mntent-escape.c

   1 /* Test mntent interface with escaped sequences.
   2    Copyright (C) 2020-2023 Free Software Foundation, Inc.
   3
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the 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    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <https://www.gnu.org/licenses/>.  */
  19
  20 #include <mntent.h>
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <support/check.h>
  24
  25 struct const_mntent
  26 {
  27   const char *mnt_fsname;
  28   const char *mnt_dir;
  29   const char *mnt_type;
  30   const char *mnt_opts;
  31   int mnt_freq;
  32   int mnt_passno;
  33   const char *expected;
  34 };
  35
  36 struct const_mntent tests[] =
  37 {
  38     {"/dev/hda1", "/some dir", "ext2", "defaults", 1, 2,
  39      "/dev/hda1 /some\\040dir ext2 defaults 1 2\n"},
  40     {"device name", "/some dir", "tmpfs", "defaults", 1, 2,
  41      "device\\040name /some\\040dir tmpfs defaults 1 2\n"},
  42     {" ", "/some dir", "tmpfs", "defaults", 1, 2,
  43      "\\040 /some\\040dir tmpfs defaults 1 2\n"},
  44     {"\t", "/some dir", "tmpfs", "defaults", 1, 2,
  45      "\\011 /some\\040dir tmpfs defaults 1 2\n"},
  46     {"\\", "/some dir", "tmpfs", "defaults", 1, 2,
  47      "\\134 /some\\040dir tmpfs defaults 1 2\n"},
  48 };
  49
  50 static int
  51 do_test (void)
  52 {
  53   for (int i = 0; i < sizeof (tests) / sizeof (struct const_mntent); i++)
  54     {
  55       char buf[128];
  56       struct mntent *ret, curtest;
  57       FILE *fp = fmemopen (buf, sizeof (buf), "w+");
  58
  59       if (fp == NULL)
  60         {
  61           printf ("Failed to open file\n");
  62           return 1;
  63         }
  64
  65       curtest.mnt_fsname = strdupa (tests[i].mnt_fsname);
  66       curtest.mnt_dir = strdupa (tests[i].mnt_dir);
  67       curtest.mnt_type = strdupa (tests[i].mnt_type);
  68       curtest.mnt_opts = strdupa (tests[i].mnt_opts);
  69       curtest.mnt_freq = tests[i].mnt_freq;
  70       curtest.mnt_passno = tests[i].mnt_passno;
  71
  72       if (addmntent (fp, &curtest) != 0)
  73         {
  74           support_record_failure ();
  75           continue;
  76         }
  77
  78       TEST_COMPARE_STRING (buf, tests[i].expected);
  79
  80       rewind (fp);
  81       ret = getmntent (fp);
  82       if (ret == NULL)
  83         {
  84           support_record_failure ();
  85           continue;
  86         }
  87
  88       TEST_COMPARE_STRING(tests[i].mnt_fsname, ret->mnt_fsname);
  89       TEST_COMPARE_STRING(tests[i].mnt_dir, ret->mnt_dir);
  90       TEST_COMPARE_STRING(tests[i].mnt_type, ret->mnt_type);
  91       TEST_COMPARE_STRING(tests[i].mnt_opts, ret->mnt_opts);
  92       TEST_COMPARE(tests[i].mnt_freq, ret->mnt_freq);
  93       TEST_COMPARE(tests[i].mnt_passno, ret->mnt_passno);
  94
  95       fclose (fp);
  96     }
  97
  98   return 0;
  99 }
 100
 101 #include <support/test-driver.c>