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acl_create_entry(3) [centos man page]

ACL_CREATE_ENTRY(3)					   BSD Library Functions Manual 				       ACL_CREATE_ENTRY(3)

NAME
acl_create_entry -- create a new ACL entry LIBRARY
Linux Access Control Lists library (libacl, -lacl). SYNOPSIS
#include <sys/types.h> #include <sys/acl.h> int acl_create_entry(acl_t *acl_p, acl_entry_t *entry_p); DESCRIPTION
The acl_create_entry() function creates a new ACL entry in the ACL pointed to by the contents of the pointer argument acl_p. On success, the function returns a descriptor for the new ACL entry via entry_p. 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 (void*)*acl_p as an argument. If the ACL working storage cannot be increased in the current location, then the working storage for the ACL pointed to by acl_p may be relocated and the previous working storage is released. A pointer to the new working storage is returned via acl_p. The components of the new ACL entry are initialized in the following ways: the ACL tag type component contains ACL_UNDEFINED_TAG, the quali- fier component contains ACL_UNDEFINED_ID, and the set of permissions has no permissions enabled. Any existing ACL entry descriptors that refer to entries in the ACL continue to refer to those entries. RETURN VALUE
The acl_create_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_create_entry() function returns -1 and sets errno to the corresponding value: [EINVAL] The argument acl_p is not a valid pointer to an ACL. [ENOMEM] The ACL working storage requires more memory than is allowed by the hardware or system-imposed memory management con- straints. STANDARDS
IEEE Std 1003.1e draft 17 ("POSIX.1e", abandoned) SEE ALSO
acl_init(3), acl_delete_entry(3), acl_free(3), acl_create_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

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ACL_CREATE_ENTRY(3)					   BSD Library Functions Manual 				       ACL_CREATE_ENTRY(3)

NAME
acl_create_entry, acl_create_entry_np -- create a new ACL entry LIBRARY
Standard C Library (libc, -lc) SYNOPSIS
#include <sys/types.h> #include <sys/acl.h> int acl_create_entry(acl_t *acl_p, acl_entry_t *entry_p); int acl_create_entry_np(acl_t *acl_p, acl_entry_t *entry_p, int entry_index); DESCRIPTION
The acl_create_entry() function is a POSIX.1e call that creates a new ACL entry in the ACL pointed to by acl_p. The function will return in entry_p a descriptor for this ACL entry. The acl_create_entry_np() function is a non-portable extension which allows the caller to specify the position of the created entry within the ACL. If entry_index is ACL_FIRST_ENTRY the entry will be created at the head of the ACL. If entry_index is ACL_LAST_ENTRY the entry will be created at the end of the ACL. After inserting an ACL entry with an entry_index other than ACL_LAST_ENTRY the behaviour of any acl_entry_t's previously obtained from the ACL by acl_create_entry() or acl_get_entry() is undefined. RETURN VALUES
The acl_create_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
The acl_create_entry() and acl_create_entry_np() functions fail if: [EINVAL] Argument acl_p does not point to a pointer to a valid ACL. [ENOMEM] The ACL working storage requires more memory than is allowed by the hardware or system-imposed memory management con- straints. [ERANGE] The entry_index argument to acl_create_entry_np() is greater than the number of entries in the ACL. SEE ALSO
acl(3), acl_delete_entry(3), acl_get_entry(3), posix1e(3) STANDARDS
POSIX.1e is described in IEEE POSIX.1e draft 17. AUTHORS
Michael Smith Chris D Fulhaber BSD
March 16, 2001 BSD
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