restore property that fstat(AT_FDCWD) fails with EBADF

AT_FDCWD is not a valid file descriptor, so POSIX requires fstat to
fail with EBADF. if passed to fstatat, the call would spuriously
succeed and return results for the working directory.
This commit is contained in:
Rich Felker 2019-07-18 19:41:52 -04:00
parent fa7d4218c7
commit eeff60608c
1 changed files with 1 additions and 0 deletions

View File

@ -6,6 +6,7 @@
int fstat(int fd, struct stat *st)
{
if (fd<0) return __syscall_ret(-EBADF);
return fstatat(fd, "", st, AT_EMPTY_PATH);
}