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/* Target directory operands for coreutils
Copyright 2022 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <fcntl.h>
#include <stdbool.h>
#include <sys/stat.h>
#ifndef _GL_INLINE_HEADER_BEGIN
# error "Please include config.h first."
#endif
_GL_INLINE_HEADER_BEGIN
#ifndef TARGETDIR_INLINE
# define TARGETDIR_INLINE _GL_INLINE
#endif
/* Return a file descriptor open to FILE, for use in openat.
As an optimization, return AT_FDCWD if FILE must be the working directory.
As a side effect, possibly set *ST to the file's status.
Fail and set errno if FILE is not a directory.
On failure return -2 if AT_FDCWD is -1, -1 otherwise. */
extern int target_directory_operand (char const *file, struct stat *st);
/* Return true if FD represents success for target_directory_operand. */
TARGETDIR_INLINE _GL_ATTRIBUTE_PURE bool
target_dirfd_valid (int fd)
{
return fd != -1 - (AT_FDCWD == -1);
}
_GL_INLINE_HEADER_END
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