stdio-common/scanf11.c

   1 /* Copyright (C) 2001-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
   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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <ctype.h>
  20 #include <stdio.h>
  21
  22 int
  23 main (int argc, char *argv[])
  24 {
  25   int exc = 0;
  26   int retc;
  27   float f;
  28   int d;
  29   char str[] = "x 1";
  30   int c;
  31
  32   for (c = 1; c < 127; ++c)
  33     if (! isdigit (c) && ! isspace (c))
  34       {
  35         str[0] = c;
  36         retc = sscanf (str, "%e %d", &f, &d);
  37         if (retc != 0)
  38           {
  39             printf ("sscanf (\"%s\", \"%%e %%d\", ...) == %d, not 0\n",
  40                     str, retc);
  41             exc = 1;
  42           }
  43       }
  44
  45   return exc;
  46 }