1 /* Copyright (C) 2013-2022 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 <stdio.h>
19 #include <string.h>
20
21 int
main(void)22 main (void)
23 {
24 FILE *f;
25 int lost = 0;
26 int c;
27 double d;
28 char s[] = "+.e";
29
30 f = fmemopen (s, strlen (s), "r");
31 /* This should fail to parse a floating-point number, and leave 'e' in the
32 input. */
33 lost |= (fscanf (f, "%lf", &d) != 0);
34 c = fgetc (f);
35 lost |= c != 'e';
36 puts (lost ? "Test FAILED!" : "Test succeeded.");
37 return lost;
38 }
39