stdio-common/tst-gets.c

   1 /* Tests for gets.
   2    Copyright (C) 2001-2019 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
   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 /* This file tests gets.  Force it to be declared.  */
  21 #include <features.h>
  22 #undef __GLIBC_USE_DEPRECATED_GETS
  23 #define __GLIBC_USE_DEPRECATED_GETS 1
  24
  25 #include <stdio.h>
  26 #include <string.h>
  27
  28
  29 static int
  30 do_test (void)
  31 {
  32   char buf[100];
  33   int result = 0;
  34
  35   if (gets (buf) != buf)
  36     {
  37       printf ("gets: read error: %m\n");
  38       result = 1;
  39     }
  40   else if (strchr (buf, '\n') != NULL)
  41     {
  42       printf ("newline not stripped: \"%s\"\n", buf);
  43       result = 1;
  44     }
  45   else if (strcmp (buf, "foo") != 0)
  46     {
  47       printf ("read mismatch: expected \"%s\", got \"%s\"\n", "foo", buf);
  48       result = 1;
  49     }
  50
  51   if (gets (buf) != buf)
  52     {
  53       printf ("gets: read error: %m\n");
  54       result = 1;
  55     }
  56   else if (strchr (buf, '\n') != NULL)
  57     {
  58       printf ("newline not stripped: \"%s\"\n", buf);
  59       result = 1;
  60     }
  61   else if (strcmp (buf, "bar") != 0)
  62     {
  63       printf ("read mismatch: expected \"%s\", got \"%s\"\n", "bar", buf);
  64       result = 1;
  65     }
  66
  67   return result;
  68 }
  69
  70 #define TEST_FUNCTION do_test ()
  71 #include "../test-skeleton.c"