diff options
Diffstat (limited to 'lib/libc/gen/gen-private.h')
-rw-r--r-- | lib/libc/gen/gen-private.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/libc/gen/gen-private.h b/lib/libc/gen/gen-private.h new file mode 100644 index 000000000000..b6749b3435cd --- /dev/null +++ b/lib/libc/gen/gen-private.h @@ -0,0 +1,66 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _GEN_PRIVATE_H_ +#define _GEN_PRIVATE_H_ + +struct _telldir; /* see telldir.h */ +struct pthread_mutex; + +/* + * Structure describing an open directory. + * + * NOTE. Change structure layout with care, at least dd_fd field has to + * remain unchanged to guarantee backward compatibility. + */ +struct _dirdesc { + int dd_fd; /* file descriptor associated with directory */ + size_t dd_loc; /* offset in current buffer */ + size_t dd_size; /* amount of data returned by getdirentries */ + char *dd_buf; /* data buffer */ + int dd_len; /* size of data buffer */ + off_t dd_seek; /* magic cookie returned by getdirentries */ + int dd_flags; /* flags for readdir */ +#ifndef IN_RTLD + struct pthread_mutex *dd_lock; /* lock */ +#else + struct _donotuse *dd_lock; /* unused in rtld, keep same layout */ +#endif + struct _telldir *dd_td; /* telldir position recording */ + void *dd_compat_de; /* compat dirent */ +}; + +#define _dirfd(dirp) ((dirp)->dd_fd) + +struct dirent; +int __readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result); + +#endif /* !_GEN_PRIVATE_H_ */ |