RTEMS 4.7.2 On-Line Library

Files and Directories Manager getdents - Get directory entries

RTEMS POSIX API User's Guide

4.4.27: getdents - Get directory entries

CALLING SEQUENCE:

#include <unistd.h>
#include <linux/dirent.h>
#include <linux/unistd.h>

long getdents(
  int   dd_fd,
  char *dd_buf,
  int   dd_len
);

STATUS CODES:

A successful call to getdents returns th the number of bytes read. On end of directory, 0 is returned. When an error occurs, -1 is returned, and errno is set appropriately.

EBADF: Invalid file descriptor fd.
EFAULT: Argument points outside the calling process's address space.
EINVAL: Result buffer is too small.
ENOENT: No such directory.
ENOTDIR: File descriptor does not refer to a directory.

DESCRIPTION:

getdents reads several dirent structures from the directory pointed by fd into the memory area pointed to by dirp. The parameter count is the size of the memory area.

NOTES:

NONE

RTEMS POSIX API User's Guide