forked from KolibriOS/kolibrios
81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
extern int printf(const char *format, ...);
|
|
static void kb_wait_1(void)
|
|
{
|
|
unsigned long timeout = 2;
|
|
do {
|
|
(1 ?
|
|
printf("timeout=%ld\n", timeout) :
|
|
({
|
|
while (1)
|
|
printf("error\n");
|
|
})
|
|
);
|
|
timeout--;
|
|
} while (timeout);
|
|
}
|
|
static void kb_wait_2(void)
|
|
{
|
|
unsigned long timeout = 2;
|
|
do {
|
|
(1 ?
|
|
printf("timeout=%ld\n", timeout) :
|
|
({
|
|
for (;;)
|
|
printf("error\n");
|
|
})
|
|
);
|
|
timeout--;
|
|
} while (timeout);
|
|
}
|
|
static void kb_wait_3(void)
|
|
{
|
|
unsigned long timeout = 2;
|
|
do {
|
|
(1 ?
|
|
printf("timeout=%ld\n", timeout) :
|
|
({
|
|
int i = 1;
|
|
goto label;
|
|
i = i + 2;
|
|
label:
|
|
i = i + 3;
|
|
})
|
|
);
|
|
timeout--;
|
|
} while (timeout);
|
|
}
|
|
static void kb_wait_4(void)
|
|
{
|
|
unsigned long timeout = 2;
|
|
do {
|
|
(1 ?
|
|
printf("timeout=%ld\n", timeout) :
|
|
({
|
|
switch(timeout) {
|
|
case 2:
|
|
printf("timeout is 2");
|
|
break;
|
|
case 1:
|
|
printf("timeout is 1");
|
|
break;
|
|
default:
|
|
printf("timeout is 0?");
|
|
break;
|
|
};
|
|
// return;
|
|
})
|
|
);
|
|
timeout--;
|
|
} while (timeout);
|
|
}
|
|
int main()
|
|
{
|
|
printf("begin\n");
|
|
kb_wait_1();
|
|
kb_wait_2();
|
|
kb_wait_3();
|
|
kb_wait_4();
|
|
printf("end\n");
|
|
return 0;
|
|
}
|