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FreeBSD 11.0 - man page for acl_delete (freebsd section 3)

ACL_DELETE(3)						   BSD Library Functions Manual 					     ACL_DELETE(3)

acl_delete_def_file, acl_delete_def_link_np, acl_delete_fd_np, acl_delete_file_np, acl_delete_link_np -- delete an ACL from a file
Standard C Library (libc, -lc)
#include <sys/types.h> #include <sys/acl.h> int acl_delete_def_file(const char *path_p); int acl_delete_def_link_np(const char *path_p); int acl_delete_fd_np(int filedes, acl_type_t type); int acl_delete_file_np(const char *path_p, acl_type_t type); int acl_delete_link_np(const char *path_p, acl_type_t type);
The acl_delete_def_file(), acl_delete_def_link_np(), acl_delete_fd_np(), acl_delete_file_np(), and acl_delete_link_np() each allow the dele- tion of an ACL from a file. The acl_delete_def_file() function is a POSIX.1e call that deletes the default ACL from a file (normally a directory) by name; the remainder of the calls are non-portable extensions that permit the deletion of arbitrary ACL types from a file/direc- tory either by path name or file descriptor. The _file() variations follow a symlink if it occurs in the last segment of the path name; the _link() variations operate on the symlink itself.
FreeBSD's support for POSIX.1e interfaces and features is still under development at this time.
Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and the global variable errno is set to indicate the error.
If any of the following conditions occur, these functions shall return -1 and set 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 appro- priate access rights. [EBADF] The fd argument is not a valid file descriptor. [EINVAL] The ACL type passed is invalid for this file object. [ENAMETOOLONG] A component of a pathname exceeded 255 characters, or an entire path name exceeded 1023 characters. [ENOENT] The named object does not exist, or the path_p argument points to an empty string. [ENOMEM] Insufficient memory available to fulfill request. [ENOTDIR] A component of the path prefix is not a directory. Argument path_p must be a directory, and is not. [EOPNOTSUPP] The file system does not support ACL deletion. [EPERM] The process does not have appropriate privilege to perform the operation to delete an ACL. [EROFS] The file system is read-only.
acl(3), acl_get(3), acl_set(3), posix1e(3)
POSIX.1e is described in IEEE POSIX.1e draft 17. Discussion of the draft continues on the cross-platform POSIX.1e implementation mailing list. To join this list, see the FreeBSD POSIX.1e implementation page for more information.
POSIX.1e support was introduced in FreeBSD 4.0, and development continues.
Robert N M Watson
December 29, 2002 BSD