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/* 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);
}
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