explain_fdopendir_or_die(3)				     Library Functions Manual				       explain_fdopendir_or_die(3)

NAME

       explain_fdopendir_or_die - open a directory and report errors

SYNOPSIS

       #include <libexplain/fdopendir.h>
       DIR *explain_fdopendir_or_die(int fildes);
       DIR *explain_fdopendir_on_error(int fildes);

DESCRIPTION

       The  explain_fdopendir_or_die  function	is used to call the fdopendir(3) system call. On failure an explanation will be printed to stderr,
       obtained from the explain_fdopendir(3) function, and then the process terminates by calling exit(EXIT_FAILURE).

       The explain_fdopendir_on_error function is used to call the fdopendir(3) system call. On failure an explanation will be printed to  stderr,
       obtained from the explain_fdopendir(3) function, but still returns to the caller.

       fildes  The fildes, exactly as to be passed to the fdopendir(3) system call.

RETURN VALUE

       The explain_fdopendir_or_die function only returns on success, see fdopendir(3) for more information. On failure, prints an explanation and
       exits, it does not return.

       The explain_fdopendir_on_error function always returns the value return by the wrapped fdopendir(3) system call.

EXAMPLE

       The explain_fdopendir_or_die function is intended to be used in a fashion similar to the following example:
	      DIR *result = explain_fdopendir_or_die(fildes);

SEE ALSO

       fdopendir(3)
	       open a directory

       explain_fdopendir(3)
	       explain fdopendir(3) errors

       exit(2) terminate the calling process

COPYRIGHT

       libexplain version 0.52
       Copyright (C) 2009 Peter Miller

														       explain_fdopendir_or_die(3)