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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/* Test C2x variadic functions with no named parameters, or last named
parameter with a declaration not allowed in C17. Execution tests. */
/* { dg-do run } */
/* { dg-options "-std=c2x -pedantic-errors" } */
#include <stdarg.h>
extern void abort (void);
extern void exit (int);
double
f (...)
{
va_list ap;
va_start (ap);
double ret = va_arg (ap, int);
ret += va_arg (ap, double);
ret += va_arg (ap, int);
ret += va_arg (ap, double);
va_end (ap);
return ret;
}
void
g (...)
{
va_list ap;
va_start (ap, random ! ignored, ignored ** text);
for (int i = 0; i < 10; i++)
if (va_arg (ap, double) != i)
abort ();
va_end (ap);
}
void
h1 (register int x, ...)
{
va_list ap;
va_start (ap);
for (int i = 0; i < 10; i++)
{
if (va_arg (ap, double) != i)
abort ();
i++;
if (va_arg (ap, int) != i)
abort ();
}
va_end (ap);
}
void
h2 (int x(), ...)
{
va_list ap;
va_start (ap);
for (int i = 0; i < 10; i++)
{
if (va_arg (ap, double) != i)
abort ();
i++;
if (va_arg (ap, int) != i)
abort ();
}
va_end (ap);
}
void
h3 (int x[10], ...)
{
va_list ap;
va_start (ap);
for (int i = 0; i < 10; i++)
{
if (va_arg (ap, double) != i)
abort ();
i++;
if (va_arg (ap, int) != i)
abort ();
}
va_end (ap);
}
void
h4 (char x, ...)
{
va_list ap;
va_start (ap);
for (int i = 0; i < 10; i++)
{
if (va_arg (ap, double) != i)
abort ();
i++;
if (va_arg (ap, int) != i)
abort ();
}
va_end (ap);
}
void
h5 (float x, ...)
{
va_list ap;
va_start (ap);
for (int i = 0; i < 10; i++)
{
if (va_arg (ap, double) != i)
abort ();
i++;
if (va_arg (ap, int) != i)
abort ();
}
va_end (ap);
}
void
h6 (volatile long x, ...)
{
va_list ap;
va_start (ap);
for (int i = 0; i < 10; i++)
{
if (va_arg (ap, double) != i)
abort ();
i++;
if (va_arg (ap, int) != i)
abort ();
}
va_end (ap);
}
struct s { char c[1000]; };
void
h7 (volatile struct s x, ...)
{
va_list ap;
va_start (ap);
for (int i = 0; i < 10; i++)
{
if (va_arg (ap, double) != i)
abort ();
i++;
if (va_arg (ap, int) != i)
abort ();
}
va_end (ap);
}
int
main ()
{
if (f (1, 2.0, 3, 4.0) != 10.0)
abort ();
g (0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0);
g (0.0f, 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 9.0f);
h1 (0, 0.0, 1, 2.0, 3, 4.0, 5, 6.0, 7, 8.0, 9);
h2 (0, 0.0, 1, 2.0, 3, 4.0, 5, 6.0, 7, 8.0, 9);
h3 (0, 0.0, 1, 2.0, 3, 4.0, 5, 6.0, 7, 8.0, 9);
h4 (0, 0.0, 1, 2.0, 3, 4.0, 5, 6.0, 7, 8.0, 9);
h5 (0, 0.0, 1, 2.0, 3, 4.0, 5, 6.0, 7, 8.0, 9);
h6 (0, 0.0, 1, 2.0, 3, 4.0, 5, 6.0, 7, 8.0, 9);
h7 ((struct s) {}, 0.0, 1, 2.0, 3, 4.0, 5, 6.0, 7, 8.0, 9);
exit (0);
}
|