libexplain/ustat.h

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/*
 * libexplain - Explain errno values returned by libc functions
 * Copyright (C) 2009, 2011, 2013 Peter Miller
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,but
 * WITHOUT ANY WARRANTY; without even the implied warranty
 * ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNULesser
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef LIBEXPLAIN_USTAT_H
#define LIBEXPLAIN_USTAT_H

#include <libexplain/gcc_attributes.h>
#include <libexplain/large_file_support.h>

/*
 * Note: including <ustat.h> or <sys/ustat.h> here is most unwise,
 * because there is a bug on older versions of linux where it also
 * defines struct ustat in <linux/types.h> making it horribly difficult
 * to use a naked
 *
 *     #include <ustat.h>
 *
 * at this point in this source file.  If the pid_t arguments are a
 * problem, we may have to consider makeing them int in future.
 */

#ifdef __cplusplus
extern "C" {
#endif

struct ustat; /* forward */

void explain_ustat_or_die(dev_t dev, struct ustat *data);

int explain_ustat_on_error(dev_t dev, struct ustat *data);

const char *explain_ustat(dev_t dev, struct ustat *data)
                                                  LIBEXPLAIN_WARN_UNUSED_RESULT;

const char *explain_errno_ustat(int errnum, dev_t dev, struct ustat *data)
                                                  LIBEXPLAIN_WARN_UNUSED_RESULT;

void explain_message_ustat(char *message, int message_size, dev_t dev, struct
    ustat *data);

void explain_message_errno_ustat(char *message, int message_size, int errnum,
    dev_t dev, struct ustat *data);

#ifdef __cplusplus
}
#endif

/* vim: set ts=8 sw=4 et : */
#endif /* LIBEXPLAIN_USTAT_H */