diff options
Diffstat (limited to 'sys/contrib/opensolaris/uts/common/zmod/zmod_subr.c')
-rw-r--r-- | sys/contrib/opensolaris/uts/common/zmod/zmod_subr.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/sys/contrib/opensolaris/uts/common/zmod/zmod_subr.c b/sys/contrib/opensolaris/uts/common/zmod/zmod_subr.c new file mode 100644 index 0000000..0542712 --- /dev/null +++ b/sys/contrib/opensolaris/uts/common/zmod/zmod_subr.c @@ -0,0 +1,84 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <sys/systm.h> +#include <sys/cmn_err.h> +#include <sys/kobj.h> + +struct zchdr { + uint_t zch_magic; + uint_t zch_size; +}; + +#define ZCH_MAGIC 0x3cc13cc1 + +/*ARGSUSED*/ +void * +zcalloc(void *opaque, uint_t items, uint_t size) +{ + size_t nbytes = sizeof (struct zchdr) + items * size; + struct zchdr *z = kobj_zalloc(nbytes, KM_NOWAIT|KM_TMP); + + if (z == NULL) + return (NULL); + + z->zch_magic = ZCH_MAGIC; + z->zch_size = nbytes; + + return (z + 1); +} + +/*ARGSUSED*/ +void +zcfree(void *opaque, void *ptr) +{ + struct zchdr *z = ((struct zchdr *)ptr) - 1; + + if (z->zch_magic != ZCH_MAGIC) + panic("zcfree region corrupt: hdr=%p ptr=%p", (void *)z, ptr); + + kobj_free(z, z->zch_size); +} + +void +zmemcpy(void *dest, const void *source, uint_t len) +{ + bcopy(source, dest, len); +} + +int +zmemcmp(const void *s1, const void *s2, uint_t len) +{ + return (bcmp(s1, s2, len)); +} + +void +zmemzero(void *dest, uint_t len) +{ + bzero(dest, len); +} |