explain_statvfs_or_die

NAME

explain_statvfs_or_die − get file system statistics and report errors

SYNOPSIS

#include <libexplain/statvfs.h>
void explain_statvfs_or_die(const char *pathname, struct statvfs *data);
int explain_statvfs_on_error(const char *pathname, struct statvfs *data);

DESCRIPTION

The explain_statvfs_or_die function is used to call the statvfs(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_statvfs(3) function, and then the process terminates by calling exit(EXIT_FAILURE).

The explain_statvfs_on_error function is used to call the statvfs(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_statvfs(3) function, but still returns to the caller.
pathname

The pathname, exactly as to be passed to the statvfs(2) system call.

RETURN VALUE

The explain_statvfs_or_die function only returns on success, see statvfs(2) for more information. On failure, prints an explanation and exits, it does not return.

The explain_statvfs_on_error function always returns the value return by the wrapped statvfs(2) system call.

EXAMPLE

The explain_statvfs_or_die function is intended to be used in a fashion similar to the following example:

explain_statvfs_or_die(pathname, data);

SEE ALSO

statvfs(2)

get file system statistics

explain_statvfs(3)

explain statvfs(2) errors

COPYRIGHT

libexplain version 1.4
Copyright (C) 2010 Peter Miller