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Test fscanf of long double without <stdio.h>

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Add a test for fscanf of long double without including <stdio.h>.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
This commit is contained in:
H.J. Lu 2024-05-24 08:00:34 -07:00
parent 639c143db3
commit 30a745450e
3 changed files with 39 additions and 0 deletions
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1
stdio-common/Makefile
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@ -193,6 +193,7 @@ tests := \
scanf18 \
scanf19 \
temptest \
test-fscanf \
test-fseek \
test-fwrite \
test-popen \

37
stdio-common/test-fscanf.c Normal file
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@ -0,0 +1,37 @@
/* Test fscanf of long double without <stdio.h>.
Copyright (C) 2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <string.h>
struct FILE;
extern struct FILE *stdin;
extern int fscanf (struct FILE *, const char *, ...);
int
main (void)
{
int n, i;
long double x;
char name[50];
n = fscanf (stdin, "%d%Lf%s", &i, &x, name);
if (n != 3 || i != 25 || x != 24.5 || strcmp (name, "thompson"))
return 1;
return 0;
}

1
stdio-common/test-fscanf.input Normal file
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@ -0,0 +1 @@
25 24.5 thompson