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acl_to_text

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acl_to_text: convert an ACL to text

NAME

acl_to_text - convert an ACL to text

LIBRARY

Linux Access Control Lists library (libacl, -lacl).
SYNOPSIS
#include <sys/types.h> #include <sys/acl.h> char * acl_to_text(acl_t acl, ssize_t *len_p);
DESCRIPTION
The acl_to_text() function translates the ACL pointed to by the argument acl into a NULL terminated character string. If the pointer len_p is not NULL, then the function returns the length of the string (not including the NULL terminator) in the location pointed to by len_p. The format of the text string returned by acl_to_text() is the long text form defined in acl(5). The ACL referred to by acl is not changed. This function allocates any memory necessary to contain the string and returns a pointer to the string. The caller should free any releasable memory, when the new string is no longer required, by calling acl_free(3) with the (void*)char returned by acl_to_text() as an argument.

RETURN VALUE

On success, this function returns a pointer to the long text form of the ACL. On error, a value of (char *)NULL is returned, and errno is set appropriately.

ERRORS

If any of the following conditions occur, the acl_to_text() function returns a value of (char *)NULL and sets errno to the corresponding value: [EINVAL] The argument acl is not a valid pointer to an ACL. The ACL referenced by acl contains one or more improperly formed ACL entries, or for some other reason cannot be translated into a text form of an ACL. [ENOMEM] The character string 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 ("POSIX.1e", abandoned)

SEE ALSO

acl_free(3), acl_to_any_text(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>. ACL_TO_TEXT(3)
 
 
 

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