stdio-common/tst-gets.c

   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"