1  /* Tests for gets.
       2     Copyright (C) 2001-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  /* This file tests gets.  Force it to be declared.  */
      20  #include <features.h>
      21  #undef __GLIBC_USE_DEPRECATED_GETS
      22  #define __GLIBC_USE_DEPRECATED_GETS 1
      23  
      24  #include <stdio.h>
      25  #include <string.h>
      26  
      27  
      28  static int
      29  do_test (void)
      30  {
      31    char buf[100];
      32    int result = 0;
      33  
      34    if (gets (buf) != buf)
      35      {
      36        printf ("gets: read error: %m\n");
      37        result = 1;
      38      }
      39    else if (strchr (buf, '\n') != NULL)
      40      {
      41        printf ("newline not stripped: \"%s\"\n", buf);
      42        result = 1;
      43      }
      44    else if (strcmp (buf, "foo") != 0)
      45      {
      46        printf ("read mismatch: expected \"%s\", got \"%s\"\n", "foo", buf);
      47        result = 1;
      48      }
      49  
      50    if (gets (buf) != buf)
      51      {
      52        printf ("gets: read error: %m\n");
      53        result = 1;
      54      }
      55    else if (strchr (buf, '\n') != NULL)
      56      {
      57        printf ("newline not stripped: \"%s\"\n", buf);
      58        result = 1;
      59      }
      60    else if (strcmp (buf, "bar") != 0)
      61      {
      62        printf ("read mismatch: expected \"%s\", got \"%s\"\n", "bar", buf);
      63        result = 1;
      64      }
      65  
      66    return result;
      67  }
      68  
      69  #define TEST_FUNCTION do_test ()
      70  #include "../test-skeleton.c"