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explain_fd...dir_or_die(3) Library Functions Manual explain_fd...dir_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, ob- tained 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 re- turns 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 fash- ion 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 1.3 Copyright (C) 2009 Peter Miller explain_fd...dir_or_die(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT
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