1 /*

     2  * CDDL HEADER START

     3  *

     4  * The contents of this file are subject to the terms of the

     5  * Common Development and Distribution License (the "License").

     6  * You may not use this file except in compliance with the License.

     7  *

     8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

     9  * or http://www.opensolaris.org/os/licensing.

    10  * See the License for the specific language governing permissions

    11  * and limitations under the License.

    12  *

    13  * When distributing Covered Code, include this CDDL HEADER in each

    14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

    15  * If applicable, add the following below this CDDL HEADER, with the

    16  * fields enclosed by brackets "[]" replaced with your own identifying

    17  * information: Portions Copyright [yyyy] [name of copyright owner]

    18  *

    19  * CDDL HEADER END

    20  */

    21 

    22 /*

    23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.

    24  * Use is subject to license terms.

    25  */

    26 

    27 #pragma ident	"%Z%%M%	%I%	%E% SMI"

    28 

    29 #include <errno.h>

    30 #include <unistd.h>

    31 #include <sys/lx_types.h>

    32 #include <sys/lx_misc.h>

    33 

    34 /*

    35  * On Solaris, truncate() and ftruncate() are implemented in libc, so these are

    36  * layered on those interfaces.

    37  */

    38 

    39 int

    40 lx_truncate(uintptr_t path, uintptr_t length)

    41 {

    42 	return (truncate((const char *)path, (off_t)length) == 0 ? 0 : -errno);

    43 }

    44 

    45 int

    46 lx_ftruncate(uintptr_t fd, uintptr_t length)

    47 {

    48 	return (ftruncate((int)fd, (off_t)length) == 0 ? 0 : -errno);

    49 }

    50 

    51 int

    52 lx_truncate64(uintptr_t path, uintptr_t length_lo, uintptr_t length_hi)

    53 {

    54 	return (truncate64((const char *)path,

    55 	    LX_32TO64(length_lo, length_hi)) == 0 ? 0 : -errno);

    56 }

    57 

    58 int

    59 lx_ftruncate64(uintptr_t fd, uintptr_t length_lo, uintptr_t length_hi)

    60 {

    61 	return (ftruncate64((int)fd,

    62 	    LX_32TO64(length_lo, length_hi)) == 0 ? 0 : -errno);

    63 }