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CentOS 7.0 - man page for acl_delete_def_file (centos section 3)

ACL_DELETE_DEF_FILE(3)			     BSD Library Functions Manual		       ACL_DELETE_DEF_FILE(3)

NAME
acl_delete_def_file -- delete a default ACL by filename
LIBRARY
Linux Access Control Lists library (libacl, -lacl).
SYNOPSIS
#include <sys/types.h> #include <sys/acl.h> int acl_delete_def_file(const char *path_p);
DESCRIPTION
The acl_delete_def_file() function deletes a default ACL from the directory whose pathname 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. If the argument path_p is not a directory, then the function fails. It is no error if the directory whose path- name is pointed to by the argument path_p does not have a default ACL.
RETURN VALUE
The acl_delete_def_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.
ERRORS
If any of the following conditions occur, the acl_delete_def_file() function returns the value -1 and and sets errno to the corresponding value: [EINVAL] The file referred to by path_p is not a directory. [ENOTSUP] The file system on which the file identified by path_p is located does not support ACLs, or ACLs are disabled. [EPERM] The process does not have appropriate privilege to perform the operation to delete the default ACL. [EROFS] This function requires modification of a file system which is currently read-only.
STANDARDS
IEEE Std 1003.1e draft 17 ("POSIX.1e", abandoned)
SEE ALSO
acl_get_file(3), acl_set_file(3), acl(5)
AUTHOR
Derived from the FreeBSD manual pages written by Robert N M Watson <rwatson@FreeBSD.org>, and adapted for Linux by Andreas Gruenbacher <a.gruenbacher@bestbits.at>. Linux ACL March 23, 2002 Linux ACL


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