lib/libc/compat/sys/compat___stat30.c

   1 /*      $NetBSD: compat___stat30.c,v 1.1.2.2 2008/11/09 03:05:37 christos Exp $ */
   2
   3 /*
   4  * Copyright (c) 1997 Frank van der Linden
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed for the NetBSD Project
  18  *      by Frank van der Linden
  19  * 4. The name of the author may not be used to endorse or promote products
  20  *    derived from this software without specific prior written permission
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <sys/cdefs.h>
  35 #if defined(LIBC_SCCS) && !defined(lint)
  36 __RCSID("$NetBSD: compat___stat30.c,v 1.1.2.2 2008/11/09 03:05:37 christos Exp $");
  37 #endif /* LIBC_SCCS and not lint */
  38
  39 #define __LIBC12_SOURCE__
  40
  41 #include <sys/types.h>
  42 #include <sys/param.h>
  43 #include <sys/stat.h>
  44 #include <sys/mount.h>
  45 #include <compat/sys/time.h>
  46 #include <compat/sys/stat.h>
  47 #include <compat/sys/mount.h>
  48
  49 __warn_references(__stat30,
  50     "warning: reference to compatibility __stat30(); include <sys/stat.h> to generate correct reference")
  51
  52 __warn_references(__fstat30,
  53     "warning: reference to compatibility __fstat30(); include <sys/stat.h> to generate correct reference")
  54
  55 __warn_references(__lstat30,
  56     "warning: reference to compatibility __lstat30(); include <sys/stat.h> to generate correct reference")
  57
  58 __warn_references(__fhstat40,
  59     "warning: reference to compatibility __fhstat40(); include <sys/mount.h> to generate correct reference")
  60
  61
  62 /*
  63  * Convert from a new to an old stat structure.
  64  */
  65
  66 static void cvtstat(struct stat30 *, const struct stat *);
  67
  68 static void
  69 cvtstat(struct stat30 *ost, const struct stat *st)
  70 {
  71
  72         ost->st_dev = (uint32_t)st->st_dev;
  73         ost->st_ino = st->st_ino;
  74         ost->st_mode = st->st_mode;
  75         ost->st_nlink = st->st_nlink;
  76         ost->st_uid = st->st_uid;
  77         ost->st_gid = st->st_gid;
  78         ost->st_rdev = (uint32_t)st->st_rdev;
  79         timespec_to_timespec50(&st->st_atimespec, &ost->st_atimespec);
  80         timespec_to_timespec50(&st->st_mtimespec, &ost->st_mtimespec);
  81         timespec_to_timespec50(&st->st_ctimespec, &ost->st_ctimespec);
  82         timespec_to_timespec50(&st->st_birthtimespec, &ost->st_birthtimespec);
  83         ost->st_size = st->st_size;
  84         ost->st_blocks = st->st_blocks;
  85         ost->st_blksize = st->st_blksize;
  86         ost->st_flags = st->st_flags;
  87         ost->st_gen = st->st_gen;
  88 }
  89
  90 int
  91 __stat30(const char *file, struct stat30 *ost)
  92 {
  93         struct stat nst;
  94         int ret;
  95
  96         if ((ret = __stat50(file, &nst)) == -1)
  97                 return ret;
  98         cvtstat(ost, &nst);
  99         return ret;
 100 }
 101
 102 int
 103 __fstat30(int f, struct stat30 *ost)
 104 {
 105         struct stat nst;
 106         int ret;
 107
 108         if ((ret = __fstat50(f, &nst)) == -1)
 109                 return ret;
 110         cvtstat(ost, &nst);
 111         return ret;
 112 }
 113
 114 int
 115 __lstat30(const char *file, struct stat30 *ost)
 116 {
 117         struct stat nst;
 118         int ret;
 119
 120         if ((ret = __lstat50(file, &nst)) == -1)
 121                 return ret;
 122         cvtstat(ost, &nst);
 123         return ret;
 124 }
 125
 126 int
 127 __fhstat40(const void *fh, size_t fh_size, struct stat30 *ost)
 128 {
 129         struct stat nst;
 130         int ret;
 131
 132         if ((ret = __fhstat50(fh, fh_size, &nst)) == -1)
 133                 return ret;
 134         cvtstat(ost, &nst);
 135         return ret;
 136 }