Tibor Nagy
44 lines
941 B
C
44 lines
941 B
C
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
|
|
#include "test_helpers.h"
|
|
|
|
int main(void) {
|
|
int fd0 = creat("dup.out", 0777);
|
|
ERROR_IF(creat, fd0, == -1);
|
|
UNEXP_IF(creat, fd0, < 0);
|
|
|
|
int fd1 = open("dup.out", 0);
|
|
ERROR_IF(open, fd1, == -1);
|
|
UNEXP_IF(open, fd1, < 0);
|
|
|
|
int fd2 = dup(fd1);
|
|
ERROR_IF(dup, fd2, == -1);
|
|
UNEXP_IF(dup, fd2, < 0);
|
|
|
|
printf("fd %d duped into fd %d\n", fd1, fd2);
|
|
|
|
int c1 = close(fd1);
|
|
ERROR_IF(close, c1, == -1);
|
|
UNEXP_IF(close, c1, != 0);
|
|
|
|
int c2 = close(fd2);
|
|
ERROR_IF(close, c2, == -1);
|
|
UNEXP_IF(close, c2, != 0);
|
|
|
|
int fd3 = open("dup.out", 0x0002, 0x1000);
|
|
ERROR_IF(open, fd3, == -1);
|
|
UNEXP_IF(open, fd3, < 0);
|
|
|
|
int fd4 = dup2(fd3, 1);
|
|
ERROR_IF(dup2, fd4, == -1);
|
|
UNEXP_IF(dup2, fd4, < 0);
|
|
|
|
printf("hello fd %d", fd3);
|
|
|
|
int c3 = close(fd3);
|
|
ERROR_IF(close, c3, == -1);
|
|
UNEXP_IF(close, c3, != 0);
|
|
}
|