lib/libc/compat/sys/compat___stat30.c

   1 /*      $NetBSD: compat___stat30.c,v 1.4 2013/10/04 21:07:37 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 1.4 2013/10/04 21:07:37 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 __strong_alias(__stat30, __compat___stat30)
  63 __strong_alias(__fstat30, __compat___fstat30)
  64 __strong_alias(__lstat30, __compat___lstat30)
  65 __strong_alias(__fhstat40, __compat___fhstat40)
  66
  67 /*
  68  * Convert from a new to an old stat structure.
  69  */
  70
  71 static void cvtstat(struct stat30 *, const struct stat *);
  72
  73 static void
  74 cvtstat(struct stat30 *ost, const struct stat *st)
  75 {
  76
  77         ost->st_dev = (uint32_t)st->st_dev;
  78         ost->st_ino = st->st_ino;
  79         ost->st_mode = st->st_mode;
  80         ost->st_nlink = st->st_nlink;
  81         ost->st_uid = st->st_uid;
  82         ost->st_gid = st->st_gid;
  83         ost->st_rdev = (uint32_t)st->st_rdev;
  84         timespec_to_timespec50(&st->st_atimespec, &ost->st_atimespec);
  85         timespec_to_timespec50(&st->st_mtimespec, &ost->st_mtimespec);
  86         timespec_to_timespec50(&st->st_ctimespec, &ost->st_ctimespec);
  87         timespec_to_timespec50(&st->st_birthtimespec, &ost->st_birthtimespec);
  88         ost->st_size = st->st_size;
  89         ost->st_blocks = st->st_blocks;
  90         ost->st_blksize = st->st_blksize;
  91         ost->st_flags = st->st_flags;
  92         ost->st_gen = st->st_gen;
  93 }
  94
  95 int
  96 __compat___stat30(const char *file, struct stat30 *ost)
  97 {
  98         struct stat nst;
  99         int ret;
 100
 101         if ((ret = __stat50(file, &nst)) == -1)
 102                 return ret;
 103         cvtstat(ost, &nst);
 104         return ret;
 105 }
 106
 107 int
 108 __compat___fstat30(int f, struct stat30 *ost)
 109 {
 110         struct stat nst;
 111         int ret;
 112
 113         if ((ret = __fstat50(f, &nst)) == -1)
 114                 return ret;
 115         cvtstat(ost, &nst);
 116         return ret;
 117 }
 118
 119 int
 120 __compat___lstat30(const char *file, struct stat30 *ost)
 121 {
 122         struct stat nst;
 123         int ret;
 124
 125         if ((ret = __lstat50(file, &nst)) == -1)
 126                 return ret;
 127         cvtstat(ost, &nst);
 128         return ret;
 129 }
 130
 131 int
 132 __compat___fhstat40(const void *fh, size_t fh_size, struct stat30 *ost)
 133 {
 134         struct stat nst;
 135         int ret;
 136
 137         if ((ret = __fhstat50(fh, fh_size, &nst)) == -1)
 138                 return ret;
 139         cvtstat(ost, &nst);
 140         return ret;
 141 }