about summary refs log tree commit diff
path: root/src/unistd/fchdir.c
blob: dee45ba68e6425a17fe2ef4f4b77038666e43d80 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include "syscall.h"

int fchdir(int fd)
{
	int ret = __syscall(SYS_fchdir, fd);
	if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
		return __syscall_ret(ret);

	char buf[15+3*sizeof(int)];
	__procfdname(buf, fd);
	return syscall(SYS_chdir, buf);
}