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-'\" t
-.\" Copyright (C) 2007 Michael Kerrisk <mtk.manpages@gmail.com>
-.\"
-.\" SPDX-License-Identifier: Linux-man-pages-copyleft
-.\"
-.TH euidaccess 3 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-euidaccess, eaccess \- check effective user's permissions for a file
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */"
-.B #include <unistd.h>
-.P
-.BI "int euidaccess(const char *" pathname ", int " mode );
-.BI "int eaccess(const char *" pathname ", int " mode );
-.fi
-.SH DESCRIPTION
-Like
-.BR access (2),
-.BR euidaccess ()
-checks permissions and existence of the file identified by its argument
-.IR pathname .
-However, whereas
-.BR access (2)
-performs checks using the real user and group identifiers of the process,
-.BR euidaccess ()
-uses the effective identifiers.
-.P
-.I mode
-is a mask consisting of one or more of
-.BR R_OK ", " W_OK ", " X_OK ", and " F_OK ,
-with the same meanings as for
-.BR access (2).
-.P
-.BR eaccess ()
-is a synonym for
-.BR euidaccess (),
-provided for compatibility with some other systems.
-.SH RETURN VALUE
-On success (all requested permissions granted), zero is returned.
-On error (at least one bit in
-.I mode
-asked for a permission that is denied, or some other error occurred),
-\-1 is returned, and
-.I errno
-is set to indicate the error.
-.SH ERRORS
-As for
-.BR access (2).
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lbx lb lb
-l l l.
-Interface Attribute Value
-T{
-.na
-.nh
-.BR euidaccess (),
-.BR eaccess ()
-T} Thread safety MT-Safe
-.TE
-.SH VERSIONS
-Some other systems have an
-.\" e.g., FreeBSD 6.1.
-.BR eaccess ()
-function.
-.SH STANDARDS
-None.
-.SH HISTORY
-.TP
-.BR eaccess ()
-glibc 2.4.
-.SH NOTES
-.IR Warning :
-Using this function to check a process's permissions on a file before
-performing some operation based on that information leads to race conditions:
-the file permissions may change between the two steps.
-Generally, it is safer just to attempt the desired operation and handle
-any permission error that occurs.
-.P
-This function always dereferences symbolic links.
-If you need to check the permissions on a symbolic link, use
-.BR faccessat (2)
-with the flags
-.B AT_EACCESS
-and
-.BR AT_SYMLINK_NOFOLLOW .
-.SH SEE ALSO
-.BR access (2),
-.BR chmod (2),
-.BR chown (2),
-.BR faccessat (2),
-.BR open (2),
-.BR setgid (2),
-.BR setuid (2),
-.BR stat (2),
-.BR credentials (7),
-.BR path_resolution (7)