Viewing file:  stdarg-3.c (2.48 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;
struct S1 { int i; double d; int j; double e; } s1;
struct S2 { double d; long i; } s2;
int y;
void
bar (int v)
{
bar_arg = v;
}
void
f1 (int i, ...)
{
va_list ap;
va_start (ap, i);
while (i-- > 0)
x = va_arg (ap, long);
va_end (ap);
}
void
f2 (int i, ...)
{
va_list ap;
va_start (ap, i);
while (i-- > 0)
d = va_arg (ap, double);
va_end (ap);
}
void
f3 (int i, ...)
{
va_list ap;
int j = i;
while (j-- > 0)
{
va_start (ap, i);
x = va_arg (ap, long);
va_end (ap);
bar (x);
}
}
void
f4 (int i, ...)
{
va_list ap;
int j = i;
while (j-- > 0)
{
va_start (ap, i);
d = va_arg (ap, double);
va_end (ap);
bar (d + 4.0);
}
}
void
f5 (int i, ...)
{
va_list ap;
va_start (ap, i);
while (i-- > 0)
s1 = va_arg (ap, struct S1);
va_end (ap);
}
void
f6 (int i, ...)
{
va_list ap;
va_start (ap, i);
while (i-- > 0)
s2 = va_arg (ap, struct S2);
va_end (ap);
}
void
f7 (int i, ...)
{
va_list ap;
int j = i;
while (j-- > 0)
{
va_start (ap, i);
s1 = va_arg (ap, struct S1);
va_end (ap);
bar (s1.i);
}
}
void
f8 (int i, ...)
{
va_list ap;
int j = i;
while (j-- > 0)
{
va_start (ap, i);
s2 = va_arg (ap, struct S2);
y = va_arg (ap, int);
va_end (ap);
bar (s2.i);
}
}
int
main (void)
{
struct S1 a1, a3;
struct S2 a2, a4;
f1 (7, 1L, 2L, 3L, 5L, 7L, 9L, 11L, 13L);
if (x != 11L)
abort ();
f2 (6, 1.0, 2.0, 4.0, 8.0, 16.0, 32.0, 64.0);
if (d != 32.0)
abort ();
f3 (2, 1L, 3L);
if (bar_arg != 1L || x != 1L)
abort ();
f4 (2, 17.0, 19.0);
if (bar_arg != 21 || d != 17.0)
abort ();
a1.i = 131;
a1.j = 251;
a1.d = 15.0;
a1.e = 191.0;
a3 = a1;
a3.j = 254;
a3.e = 178.0;
f5 (2, a1, a3, a1);
if (s1.i != 131 || s1.j != 254 || s1.d != 15.0 || s1.e != 178.0)
abort ();
f5 (3, a1, a3, a1);
if (s1.i != 131 || s1.j != 251 || s1.d != 15.0 || s1.e != 191.0)
abort ();
a2.i = 138;
a2.d = 16.0;
a4.i = 257;
a4.d = 176.0;
f6 (2, a2, a4, a2);
if (s2.i != 257 || s2.d != 176.0)
abort ();
f6 (3, a2, a4, a2);
if (s2.i != 138 || s2.d != 16.0)
abort ();
f7 (2, a3, a1, a1);
if (s1.i != 131 || s1.j != 254 || s1.d != 15.0 || s1.e != 178.0)
abort ();
if (bar_arg != 131)
abort ();
f8 (3, a4, a2, a2);
if (s2.i != 257 || s2.d != 176.0)
abort ();
return 0;
}
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