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