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lvm2/lib/properties/prop_common.c

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/*
* Copyright (C) 2013 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "lib/misc/lib.h"
#include "lib/properties/prop_common.h"
int prop_not_implemented_get(const void *obj, struct lvm_property_type *prop)
{
log_errno(ENOSYS, "Function not implemented");
return 0;
}
int prop_not_implemented_set(void *obj, struct lvm_property_type *prop)
{
log_errno(ENOSYS, "Function not implemented");
return 0;
}
int prop_get_property(struct lvm_property_type *p, const void *obj,
struct lvm_property_type *prop,
unsigned type)
{
while (p->id[0]) {
if (!strcmp(p->id, prop->id))
break;
p++;
}
if (!p->id[0]) {
log_errno(EINVAL, "Invalid property name %s", prop->id);
return 0;
}
if (!(p->type & type)) {
log_errno(EINVAL, "Property name %s does not match type %d",
prop->id, p->type);
return 0;
}
*prop = *p;
if (!p->get(obj, prop)) {
return 0;
}
return 1;
}
int prop_set_property(struct lvm_property_type *p, void *obj,
struct lvm_property_type *prop,
unsigned type)
{
while (p->id[0]) {
if (!strcmp(p->id, prop->id))
break;
p++;
}
if (!p->id[0]) {
log_errno(EINVAL, "Invalid property name %s", prop->id);
return 0;
}
if (!p->is_settable) {
log_errno(EINVAL, "Unable to set read-only property %s",
prop->id);
return 0;
}
if (!(p->type & type)) {
log_errno(EINVAL, "Property name %s does not match type %d",
prop->id, p->type);
return 0;
}
if (p->is_string)
p->value.string = prop->value.string;
else
p->value.integer = prop->value.integer;
if (!p->set(obj, p)) {
return 0;
}
return 1;
}