Viewing file:  20041214-1.c (1.26 KB) -rw-r--r--
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/* { dg-require-effective-target indirect_jumps } */
typedef long unsigned int size_t;
extern void abort (void);
extern char *strcpy (char *, const char *);
extern int strcmp (const char *, const char *);
typedef __builtin_va_list va_list;
static const char null[] = "(null)";
int g (char *s, const char *format, va_list ap)
{
const char *f;
const char *string;
char spec;
static const void *step0_jumps[] = {
&&do_precision,
&&do_form_integer,
&&do_form_string,
};
f = format;
if (*f == '\0')
goto all_done;
do
{
spec = (*++f);
goto *(step0_jumps[2]);
/* begin switch table. */
do_precision:
++f;
__builtin_va_arg (ap, int);
spec = *f;
goto *(step0_jumps[2]);
do_form_integer:
__builtin_va_arg (ap, unsigned long int);
goto end;
do_form_string:
string = __builtin_va_arg (ap, const char *);
strcpy (s, string);
/* End of switch table. */
end:
++f;
}
while (*f != '\0');
all_done:
return 0;
}
void
f (char *s, const char *f, ...)
{
va_list ap;
__builtin_va_start (ap, f);
g (s, f, ap);
__builtin_va_end (ap);
}
int
main (void)
{
char buf[10];
f (buf, "%s", "asdf", 0);
if (strcmp (buf, "asdf"))
abort ();
return 0;
}
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