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Diffstat (limited to 'cross/lib/careadlinkat.h')
-rw-r--r-- | cross/lib/careadlinkat.h | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/cross/lib/careadlinkat.h b/cross/lib/careadlinkat.h deleted file mode 100644 index 201d0415fff..00000000000 --- a/cross/lib/careadlinkat.h +++ /dev/null @@ -1,67 +0,0 @@ -/* Read symbolic links into a buffer without size limitation, relative to fd. - - Copyright (C) 2011-2023 Free Software Foundation, Inc. - - This file is free software: you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - This file 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 Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with this program. If not, see <https://www.gnu.org/licenses/>. */ - -/* Written by Paul Eggert, Bruno Haible, and Jim Meyering. */ - -#ifndef _GL_CAREADLINKAT_H -#define _GL_CAREADLINKAT_H - -#include <fcntl.h> -#include <unistd.h> - -struct allocator; - -/* Assuming the current directory is FD, get the symbolic link value - of FILENAME as a null-terminated string and put it into a buffer. - If FD is AT_FDCWD, FILENAME is interpreted relative to the current - working directory, as in openat. - - If the link is small enough to fit into BUFFER put it there. - BUFFER's size is BUFFER_SIZE, and BUFFER can be null - if BUFFER_SIZE is zero. - - If the link is not small, put it into a dynamically allocated - buffer managed by ALLOC. It is the caller's responsibility to free - the returned value if it is nonnull and is not BUFFER. - - The PREADLINKAT function specifies how to read links. It operates - like POSIX readlinkat() - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/readlink.html> - but can assume that its first argument is the same as FD. - - If successful, return the buffer address; otherwise return NULL and - set errno. */ - -char *careadlinkat (int fd, char const *filename, - char *restrict buffer, size_t buffer_size, - struct allocator const *alloc, - ssize_t (*preadlinkat) (int, char const *, - char *, size_t)); - -/* Suitable value for careadlinkat's FD argument. */ -#if HAVE_READLINKAT -/* AT_FDCWD is declared in <fcntl.h>. */ -#else -/* Define AT_FDCWD independently, so that the careadlinkat module does - not depend on the fcntl-h module. We might as well use the same value - as fcntl-h. */ -# ifndef AT_FDCWD -# define AT_FDCWD (-3041965) -# endif -#endif - -#endif /* _GL_CAREADLINKAT_H */ |