Files
RedBear-OS/tests/stdio/dprintf.c
T
2024-07-23 22:15:53 +02:00

24 lines
500 B
C

#include <stdio.h>
#include <fcntl.h>
#include "test_helpers.h"
int main(void)
{
int fd = open("/dev/stdout", O_WRONLY, 0222);
ERROR_IF(open, fd, < 0);
const char *msg = "Hello, %s";
int result = dprintf(fd, msg, "world");
ERROR_IF(dprintf, result, != sizeof("Hello, world") - 1);
UNEXP_IF(dprintf, result, < 0);
result = dprintf(fd, "\na\n");
UNEXP_IF(dprintf, result, < 0);
ERROR_IF(dprintf, result, != sizeof("\na\n") - 1);
close(fd);
return 0;
}