SIMPLE SOLUTIONS

EXPLAIN_FDOPENDIR_OR_DIE(3) - man page online | library functions

Open a directory and report errors.

Chapter
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
libexplain version 1.4 Copyright (C) 2009 Peter Miller
explain_fdopendir_or_die(3)
This manual Reference Other manuals
explain_fdopendir_or_die(3) referred by explain(3) | explain_fdopendir(3)
refer to _exit(2) | explain_fdopendir(3) | opendir(3)