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ACL_FROM_TEXT

Section: C Library Functions (3)
Index Return to Main Contents

BSD mandoc
Linux ACL  

NAME

acl_to_text - convert an ACL to text  

LIBRARY

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

SYNOPSIS

In sys/types.h In sys/acl.h Ft char * Fn acl_to_text acl_t acl ssize_t *len_p  

DESCRIPTION

The Fn 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 Fn 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_free3 with the (void*)char returned by Fn 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 Fn acl_to_text function returns a value of (char *)NULL and sets errno to the corresponding value:

Bq Er 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.

Bq Er 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 (lqPOSIX.1erq, abandoned)  

SEE ALSO

acl_free3, Xw acl_from_text 3 , acl_to_any_text3, acl(5)  

AUTHOR

Derived from the FreeBSD manual pages written by An Robert N M Watson Aq rwatson@FreeBSD.org , and adapted for Linux by An Andreas Gruenbacher Aq a.gruenbacher@bestbits.at .


 

Index

NAME
LIBRARY
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
STANDARDS
SEE ALSO
AUTHOR


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