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ACL_COPY_INT(3) - Linux man page online | Library functions

Copy an ACL from external to internal representation.

Chapter
March 23, 2002
ACL_COPY_INT(3) BSD Library Functions Manual ACL_COPY_INT(3)

NAME

acl_copy_int — copy an ACL from external to internal representation

LIBRARY

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

SYNOPSIS

#include <sys/types.h> #include <sys/acl.h> acl_t acl_copy_int(const void *buf_p);

DESCRIPTION

The acl_copy_int() function copies an exportable, contiguous, persistent form of an ACL, pointed to by buf_p, to the internal representation. This function may cause memory to be allocated. The caller should free any releasable mem‐ ory, when the new ACL is no longer required, by calling acl_free(3) with the (void*)acl_t returned by acl_copy_int() as an argument.

RETURN VALUE

Upon success, the acl_copy_int() function returns a pointer that references the ACL in work‐ ing 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_copy_int() function returns a value of (acl_t)NULL and sets errno to the corresponding value: [EINVAL] The buffer pointed to by the argument buf_p does not contain a valid external form ACL. [ENOMEM] The ACL working storage requires more memory than is allowed by the hard‐ ware or system-imposed memory management constraints.

STANDARDS

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

SEE ALSO

acl_copy_ext(3), acl_get_entry(3), acl_free(3), acl(5)

AUTHOR

Derived from the FreeBSD manual pages written by Robert N M Watson <@FreeBSD.org>, and adapted for Linux by Andreas Gruenbacher <@bestbits.at>.
Linux ACL March 23, 2002 Linux ACL
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acl_copy_int(3) referred by acl(5) | acl_copy_ext(3) | acl_free(3)
refer to acl(5) | acl_copy_ext(3) | acl_free(3) | acl_get_entry(3)
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