man pages section 3: Basic Library Functions

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Updated: July 2014
 
 

attropen(3C)

Name

attropen - open a file

Synopsis

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

int attropen(const char *path, const char *attrpath, int oflag,
     /* mode_t mode */...);

Description

The attropen() function is similar to the open(2) function except that it takes a second path argument, attrpath, that identifies an extended attribute file associated with the first path argument. This function returns a file descriptor for the extended attribute rather than the file named by the initial argument.

The O_XATTR flag is set by default for attropen() and the attrpath argument is always interpreted as a reference to an extended attribute. Extended attributes must be referenced with a relative path; providing an absolute path results in a normal file reference.

Return Values

Refer to open(2).

Errors

Refer to open(2).

Attributes

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE
ATTRIBUTE VALUE
Interface Stability
Committed
MT-Level
Safe

See Also

open(2), attributes(5), fsattr(5)