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acl_init(3)

Linux ACL
March 23, 2002

acl

Access control list utilities, libraries and headers

libacl1-dev

access control list - static libraries and headers

libacl-devel

Files needed for building programs with libacl

NAME

acl_init - initialize ACL working storage

LIBRARY

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

SYNOPSIS


.In sys/types.h
.In sys/acl.h acl_t acl_init int count

DESCRIPTION

The acl_init function allocates and initializes the working storage for an ACL of at least count ACL entries. The ACL created initially contains no ACL entries. A pointer to the working storage is returned.
This function may cause memory to be allocated. The caller should free any releasable memory, when the new ACL is no longer required, by calling acl_free(3) with the (void*)acl_t returned by acl_init as an argument.

RETURN VALUE

On success, this function returns a pointer to the working storage. On error, a value of (acl_t)NULL is returned, and errno is set appropriately.

ERRORS

If any of the following conditions occur, the acl_init function returns a value of (acl_t)NULL and sets errno to the corresponding value:
[EINVAL]
The value of count is less than zero.
[ENOMEM]
The acl_t to be returned requires more memory than is allowed by the hardware or system-imposed memory management constraints.

STANDARDS

IEEE Std 1003.1e draft 17 (\(lqPOSIX.1e\(rq, abandoned)

AUTHOR

Derived from the FreeBSD manual pages written by
.An Robert N M Watson Aq , and adapted for Linux by
.An Andreas Gruenbacher Aq .
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