Viewing file:  stdarg-1.c (2.01 KB) -rw-r--r--
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#include <stdarg.h>
extern void abort (void);
int foo_arg, bar_arg;
long x;
double d;
va_list gap;
va_list *pap;
void
foo (int v, va_list ap)
{
switch (v)
{
case 5: foo_arg = va_arg (ap, int); break;
default: abort ();
}
}
void
bar (int v)
{
if (v == 0x4006)
{
if (va_arg (gap, double) != 17.0
|| va_arg (gap, long) != 129L)
abort ();
}
else if (v == 0x4008)
{
if (va_arg (*pap, long long) != 14LL
|| va_arg (*pap, long double) != 131.0L
|| va_arg (*pap, int) != 17)
abort ();
}
bar_arg = v;
}
void
f0 (int i, ...)
{
}
void
f1 (int i, ...)
{
va_list ap;
va_start (ap, i);
va_end (ap);
}
void
f2 (int i, ...)
{
va_list ap;
va_start (ap, i);
bar (d);
x = va_arg (ap, long);
bar (x);
va_end (ap);
}
void
f3 (int i, ...)
{
va_list ap;
va_start (ap, i);
d = va_arg (ap, double);
va_end (ap);
}
void
f4 (int i, ...)
{
va_list ap;
va_start (ap, i);
x = va_arg (ap, double);
foo (i, ap);
va_end (ap);
}
void
f5 (int i, ...)
{
va_list ap;
va_start (ap, i);
va_copy (gap, ap);
bar (i);
va_end (ap);
va_end (gap);
}
void
f6 (int i, ...)
{
va_list ap;
va_start (ap, i);
bar (d);
va_arg (ap, long);
va_arg (ap, long);
x = va_arg (ap, long);
bar (x);
va_end (ap);
}
void
f7 (int i, ...)
{
va_list ap;
va_start (ap, i);
pap = ≈
bar (i);
va_end (ap);
}
void
f8 (int i, ...)
{
va_list ap;
va_start (ap, i);
pap = ≈
bar (i);
d = va_arg (ap, double);
va_end (ap);
}
int
main (void)
{
f0 (1);
f1 (2);
d = 31.0;
f2 (3, 28L);
if (bar_arg != 28 || x != 28)
abort ();
f3 (4, 131.0);
if (d != 131.0)
abort ();
f4 (5, 16.0, 128);
if (x != 16 || foo_arg != 128)
abort ();
f5 (0x4006, 17.0, 129L);
if (bar_arg != 0x4006)
abort ();
f6 (7, 12L, 14L, -31L);
if (bar_arg != -31)
abort ();
f7 (0x4008, 14LL, 131.0L, 17, 26.0);
if (bar_arg != 0x4008)
abort ();
f8 (0x4008, 14LL, 131.0L, 17, 27.0);
if (bar_arg != 0x4008 || d != 27.0)
abort ();
return 0;
}
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