stdio-common/scanf11.c

   1 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <ctype.h>
  19 #include <stdio.h>
  20
  21 int
  22 main (int argc, char *argv[])
  23 {
  24   int exc = 0;
  25   int retc;
  26   float f;
  27   int d;
  28   char str[] = "x 1";
  29   int c;
  30
  31   for (c = 1; c < 127; ++c)
  32     if (! isdigit (c) && ! isspace (c))
  33       {
  34         str[0] = c;
  35         retc = sscanf (str, "%e %d", &f, &d);
  36         if (retc != 0)
  37           {
  38             printf ("sscanf (\"%s\", \"%%e %%d\", ...) == %d, not 0\n",
  39                     str, retc);
  40             exc = 1;
  41           }
  42       }
  43
  44   return exc;
  45 }