acl_copy_entry.3




ACL_COPY_ENTRY(3) BSD Library Functions Manual ACL_COPY_ENTRY(3)

NAME

acl_copy_entry — copy an ACL entry

LIBRARY

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

SYNOPSIS

#include <sys/types.h>
#include <sys/acl.h>

int

acl_copy_entry(acl_entry_t dest_d, acl_entry_t src_d);

DESCRIPTION

The acl_copy_entry() function copies the contents of the ACL entry indicated by the src_d descriptor to the existing ACL entry indicated by the dest_d descriptor. The src_d and dest_d descriptors may refer to entries in different ACLs.

RETURN VALUE

The acl_copy_entry() function returns the value 0 if successful; otherwise the value −1 is returned and the global variable errno is set to indicate the error.

ERRORS

If any of the following conditions occur, the acl_copy_entry() function returns -1 and sets errno to the corresponding value:

[EINVAL]

The argument src_d or dest_d is not a valid descriptor for an ACL entry.

The arguments src_d and dest_d reference the same ACL entry.

STANDARDS

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

SEE ALSO

acl_get_entry(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⟩ .

Linux ACL March 23, 2002 Linux ACL






Opportunity


Personal Opportunity - Free software gives you access to billions of dollars of software at no cost. Use this software for your business, personal use or to develop a profitable skill. Access to source code provides access to a level of capabilities/information that companies protect though copyrights. Open source is a core component of the Internet and it is available to you. Leverage the billions of dollars in resources and capabilities to build a career, establish a business or change the world. The potential is endless for those who understand the opportunity.

Business Opportunity - Goldman Sachs, IBM and countless large corporations are leveraging open source to reduce costs, develop products and increase their bottom lines. Learn what these companies know about open source and how open source can give you the advantage.





Free Software


Free Software provides computer programs and capabilities at no cost but more importantly, it provides the freedom to run, edit, contribute to, and share the software. The importance of free software is a matter of access, not price. Software at no cost is a benefit but ownership rights to the software and source code is far more significant.


Free Office Software - The Libre Office suite provides top desktop productivity tools for free. This includes, a word processor, spreadsheet, presentation engine, drawing and flowcharting, database and math applications. Libre Office is available for Linux or Windows.





Free Books


The Free Books Library is a collection of thousands of the most popular public domain books in an online readable format. The collection includes great classical literature and more recent works where the U.S. copyright has expired. These books are yours to read and use without restrictions.


Source Code - Want to change a program or know how it works? Open Source provides the source code for its programs so that anyone can use, modify or learn how to write those programs themselves. Visit the GNU source code repositories to download the source.





Education


Study at Harvard, Stanford or MIT - Open edX provides free online courses from Harvard, MIT, Columbia, UC Berkeley and other top Universities. Hundreds of courses for almost all major subjects and course levels. Open edx also offers some paid courses and selected certifications.


Linux Manual Pages - A man or manual page is a form of software documentation found on Linux/Unix operating systems. Topics covered include computer programs (including library and system calls), formal standards and conventions, and even abstract concepts.