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Signal an error for file-oriented errors that are not tame errors like ENOENT and ENOTDIR (Bug#37389). Do this for primitives exposed to Lisp; the lower level internal C API merely makes errno values available to higher-level C code. * doc/lispref/files.texi (Testing Accessibility) (File Attributes, Extended Attributes): Do not say that the functions return nil when the return value cannot be determined. * etc/NEWS: Mention the change. * src/dired.c (Ffile_attributes): Fix doc string confusion about opening a file vs getting its attributes. (file_attributes): Signal serious errors. * src/fileio.c (check_existing, check_executable) (check_writable): Remove. All callers changed to use check_file_access or file_access_p. (file_access_p, file_metadata_errno, file_attribute_errno) (file_test_errno, check_file_access, check_emacs_readlinkat): New functions. * src/fileio.c (Ffile_executable_p, Ffile_readable_p) (Ffile_name_case_insensitive_p, Frename_file, Ffile_exists_p): (Ffile_symlink_p, Ffile_directory_p) (Ffile_accessible_directory_p, Ffile_regular_p) (Ffile_selinux_context, Ffile_acl, Ffile_modes) (Ffile_newer_than_file_p, Fset_visited_file_modtime) (Ffile_system_info): * src/filelock.c (unlock_file, Ffile_locked_p): * src/lread.c (Fload): Signal serious errors. * src/fileio.c (Ffile_writable_p): Remove unnecessary CHECK_STRING. (emacs_readlinkat): Now static. * src/filelock.c (current_lock_owner, lock_if_free): Return a positive errno on error, and the negative of the old old value on success. All callers changed. * src/lread.c (openp): Propagate serious errno values to caller. |
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This directory contains the architecture-independent files used by or with Emacs. This includes some text files of documentation for GNU Emacs or of interest to Emacs users, and the file of dumped docstrings for Emacs functions and variables. COPYRIGHT AND LICENSE INFORMATION FOR IMAGE FILES File: emacs.icon Author: Sun Microsystems, Inc Copyright (C) 1999, 2001-2019 Free Software Foundation, Inc. License: GNU General Public License version 3 or later (see COPYING)