1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/* Test for the long double variants of *scanf functions.
Copyright (C) 2019-2025 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 <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <wchar.h>
#include <support/check.h>
#define CLEAR_VARGS \
va_start (args, format); \
ldptr = va_arg (args, long double *); \
fptr = va_arg (args, float *); \
*ldptr = 0; \
*fptr = 0; \
va_end (args);
#define CHECK_VARGS \
va_start (args, format); \
ldptr = va_arg (args, long double *); \
fptr = va_arg (args, float *); \
va_end (args); \
if (*ldptr == -1 && *fptr == -2 && ret == 2) \
printf ("OK"); \
else \
printf ("ERROR (%Lf %f %d)", *ldptr, *fptr, ret); \
printf ("\n");
#define CLEAR_VALUE \
ld = 0; \
f = 0;
#define CHECK_VALUE \
if (ld == -1 && f == -2 && ret == 2) \
printf ("OK"); \
else \
printf ("ERROR (%Lf %f %d)", ld, f, ret); \
printf ("\n");
static void
do_test_call (FILE *stream, CHAR *string, const CHAR *format, ...)
{
float f;
long double ld;
float *fptr;
long double *ldptr;
va_list args;
int ret;
CLEAR_VALUE
printf ("fscanf: ");
ret = FSCANF (stream, format, &ld, &f);
CHECK_VALUE
CLEAR_VALUE
printf ("scanf: ");
ret = SCANF (format, &ld, &f);
CHECK_VALUE
CLEAR_VALUE
printf ("sscanf: ");
ret = SSCANF (string, format, &ld, &f);
CHECK_VALUE
CLEAR_VARGS
printf ("vfscanf: ");
va_start (args, format);
ret = VFSCANF (stream, format, args);
va_end (args);
CHECK_VARGS
CLEAR_VARGS
printf ("vscanf: ");
va_start (args, format);
ret = VSCANF (format, args);
va_end (args);
CHECK_VARGS
CLEAR_VARGS
printf ("vsscanf: ");
va_start (args, format);
ret = VSSCANF (string, format, args);
va_end (args);
CHECK_VARGS
}
static int
do_test (void)
{
CHAR string[256];
float f;
long double ld;
/* Scan in decimal notation. */
STRCPY (string,
L ("-1.0 -2.0\n")
L ("-1.0 -2.0\n") );
do_test_call (stdin, string, L("%Lf %f"), &ld, &f);
/* Scan in hexadecimal notation. */
STRCPY (string,
L ("-0x1.0p+0 -0x2.0p+0\n")
L ("-0x1.0p+0 -0x2.0p+0\n") );
/* For ISO C99, scan the single-precision value with "%as" to test
that __isoc99_*scanf ignores the 's'. For DEPRECATED_SCANF, do not
use "%as", because that would try to scan a string and allocate
space for it. */
#if __GLIBC_USE (DEPRECATED_SCANF)
# define FMT "%La %a"
#else
# define FMT "%La %as"
#endif
do_test_call (stdin, string, L(FMT), &ld, &f);
return 0;
}
#include <support/test-driver.c>
|
