| 1 | #include <unistd.h> |
| 2 | #include <errno.h> |
| 3 | #include <fcntl.h> |
| 4 | #include "syscall.h" |
| 5 | |
| 6 | int fchdir(int fd) |
| 7 | { |
| 8 | int ret = __syscall(SYS_fchdir, fd); |
| 9 | if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0) |
| 10 | return __syscall_ret(ret); |
| 11 | |
| 12 | char buf[15+3*sizeof(int)]; |
| 13 | __procfdname(buf, fd); |
| 14 | return syscall(SYS_chdir, buf); |
| 15 | } |