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File: [cvs.NetBSD.org] / src / lib / libquota / quota_schema.c (download)

Revision 1.7, Wed Feb 1 05:46:46 2012 UTC (7 years, 9 months ago) by dholland
Branch: MAIN
CVS Tags: yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9, netbsd-8-base, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, matt-nb8-mediatek-base, matt-nb8-mediatek, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, localcount-20160914, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, agc-symver-base, agc-symver, HEAD
Branch point for: yamt-pagecache
Changes since 1.6: +4 -4 lines

Be consistent about whether idtype and objtype codes are signed or
unsigned. They are signed. (While unsigned might have been a better
choice, it doesn't really matter and the majority of preexisting uses
were signed. And consistency is good.)

/*	$NetBSD: quota_schema.c,v 1.7 2012/02/01 05:46:46 dholland Exp $	*/
/*-
 * Copyright (c) 2011 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by David A. Holland.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/cdefs.h>
__RCSID("$NetBSD: quota_schema.c,v 1.7 2012/02/01 05:46:46 dholland Exp $");

#include <sys/types.h>
#include <sys/statvfs.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>

#include <quota.h>
#include "quotapvt.h"

/*
 * Functions for getting information about idtypes and such.
 */

const char *
quota_getimplname(struct quotahandle *qh)
{
	switch (qh->qh_mode) {
	    case QUOTA_MODE_NFS:
		/* XXX this should maybe report the rquotad protocol version */
		return "nfs via rquotad";

	    case QUOTA_MODE_OLDFILES:
		return __quota_oldfiles_getimplname(qh);

	    case QUOTA_MODE_KERNEL:
		return __quota_kernel_getimplname(qh);

	    default:
		break;
	}
	errno = EINVAL;
	return NULL;
}

unsigned
quota_getrestrictions(struct quotahandle *qh)
{
	switch (qh->qh_mode) {
	    case QUOTA_MODE_NFS:
		/* XXX this should maybe report the rquotad protocol version */
		return QUOTA_RESTRICT_32BIT | QUOTA_RESTRICT_READONLY;

	    case QUOTA_MODE_OLDFILES:
		return QUOTA_RESTRICT_NEEDSQUOTACHECK |
			QUOTA_RESTRICT_UNIFORMGRACE |
			QUOTA_RESTRICT_32BIT;

	    case QUOTA_MODE_KERNEL:
		return __quota_kernel_getrestrictions(qh);

	    default:
		break;
	}
	errno = EINVAL;
	return 0;
}

int
quota_getnumidtypes(struct quotahandle *qh)
{
	switch (qh->qh_mode) {
	    case QUOTA_MODE_NFS:
		/* XXX for old rquotad versions this should be 1... */
		return 2;

	    case QUOTA_MODE_KERNEL:
		return __quota_kernel_getnumidtypes(qh);

	    case QUOTA_MODE_OLDFILES:
	    default:
		break;
	}
	return 2;
}

const char *
quota_idtype_getname(struct quotahandle *qh, int idtype)
{
	switch (qh->qh_mode) {
	    case QUOTA_MODE_KERNEL:
		return __quota_kernel_idtype_getname(qh, idtype);

	    case QUOTA_MODE_NFS:
	    case QUOTA_MODE_OLDFILES:
		break;
	}

	switch (idtype) {
	    case QUOTA_IDTYPE_USER:
		return "user";

	    case QUOTA_IDTYPE_GROUP:
		return "group";

	    default:
		break;
	}
	errno = EINVAL;
	return "???";
}

int
quota_getnumobjtypes(struct quotahandle *qh)
{
	switch (qh->qh_mode) {
	    case QUOTA_MODE_KERNEL:
		return __quota_kernel_getnumobjtypes(qh);

	    case QUOTA_MODE_NFS:
	    case QUOTA_MODE_OLDFILES:
	    default:
		break;
	}
	return 2;
}

const char *
quota_objtype_getname(struct quotahandle *qh, int objtype)
{
	switch (qh->qh_mode) {
	    case QUOTA_MODE_KERNEL:
		return __quota_kernel_objtype_getname(qh, objtype);
	    case QUOTA_MODE_NFS:
	    case QUOTA_MODE_OLDFILES:
	    default:
		break;
	}

	switch (objtype) {
	    case QUOTA_OBJTYPE_BLOCKS:
		return "block";
	    case QUOTA_OBJTYPE_FILES:
		return "file";
	    default:
		break;
	}
	errno = EINVAL;
	return "???"; /* ? */
}

int
quota_objtype_isbytes(struct quotahandle *qh, int objtype)
{
	switch (qh->qh_mode) {
	    case QUOTA_MODE_KERNEL:
		return __quota_kernel_objtype_isbytes(qh, objtype);
	    case QUOTA_MODE_NFS:
	    case QUOTA_MODE_OLDFILES:
	    default:
		break;
	}

	switch (objtype) {
	    case QUOTA_OBJTYPE_BLOCKS:
		return 1;
	    case QUOTA_OBJTYPE_FILES:
		return 0;
	    default:
		break;
	}
	errno = EINVAL;
	return 0; /* ? */
}