acl_set_file man page on Manjaro

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ACL_SET_FILE(3)		 BSD Library Functions Manual	       ACL_SET_FILE(3)

     acl_set_file — set an ACL by filename

     Linux Access Control Lists library (libacl, -lacl).

     #include <sys/types.h>
     #include <sys/acl.h>

     acl_set_file(const char *path_p, acl_type_t type, acl_t acl);

     The acl_set_file() function associates an access ACL with a file or
     directory, or associates a default ACL with a directory. The pathname for
     the file or directory is pointed to by the argument path_p.

     The effective user ID of the process must match the owner of the file or
     directory or the process must have the CAP_FOWNER capability for the
     request to succeed.

     The value of the argument type is used to indicate whether the access ACL
     or the default ACL associated with path_p is being set. If the type
     parameter is ACL_TYPE_ACCESS, the access ACL of path_p shall be set. If
     the type parameter is ACL_TYPE_DEFAULT, the default ACL of path_p shall
     be set. If the argument type specifies a type of ACL that cannot be asso‐
     ciated with path_p, then the function fails.

     The acl parameter must reference a valid ACL according to the rules
     described on the acl_valid(3) manual page if the type parameter is
     ACL_TYPE_ACCESS, and must either reference a valid ACL or an ACL with
     zero ACL entries if the type parameter is ACL_TYPE_DEFAULT. If the acl
     parameter references an empty ACL, then the acl_set_file() function
     removes any default ACL associated with the directory referred to by the
     path_p parameter.

     The acl_set_file() function returns the value 0 if successful; otherwise
     the value -1 is returned and the global variable errno is set to indicate
     the error.

     If any of the following conditions occur, the acl_set_file() function
     returns -1 and sets errno to the corresponding value:

     [EACCES]		Search permission is denied for a component of the
			path prefix or the object exists and the process does
			not have appropriate access rights.

			Argument type specifies a type of ACL that cannot be
			associated with path_p.

     [EINVAL]		The argument acl does not point to a valid ACL.

			The ACL has more entries than the file referred to by
			path_p can obtain.

			The type parameter is not ACL_TYPE_ACCESS or

			The type parameter is ACL_TYPE_DEFAULT, but the file
			referred to by path_p is not a directory.

     [ENAMETOOLONG]	The length of the argument path_p is too long.

     [ENOENT]		The named object does not exist or the argument path_p
			points to an empty string.

     [ENOSPC]		The directory or file system that would contain the
			new ACL cannot be extended or the file system is out
			of file allocation resources.

     [ENOTDIR]		A component of the path prefix is not a directory.

     [ENOTSUP]		The file identified by path_p cannot be associated
			with the ACL because the file system on which the file
			is located does not support this.

     [EPERM]		The process does not have appropriate privilege to
			perform the operation to set the ACL.

     [EROFS]		This function requires modification of a file system
			which is currently read-only.

     IEEE Std 1003.1e draft 17 (“POSIX.1e”, abandoned)

     The behavior of acl_set_file() when the acl parameter refers to an empty
     ACL and the type parameter is ACL_TYPE_DEFAULT is an extension in the
     Linux implementation, in order that all values returned by acl_get_file()
     can be passed to acl_set_file().  The POSIX.1e function for removing a
     default ACL is acl_delete_def_file().

     acl_delete_def_file(3), acl_get_file(3), acl_set_fd(3), acl_valid(3),

     Derived from the FreeBSD manual pages written by Robert N M Watson
     ⟨⟩, and adapted for Linux by Andreas Gruenbacher

Linux ACL			March 23, 2002			     Linux ACL

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