lib/libc/compat/sys/compat___stat13.c

   1 /*      $NetBSD: compat___stat13.c,v 1.6 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___stat13.c,v 1.6 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(__stat13,
  50     "warning: reference to compatibility __stat13(); include <sys/stat.h> to generate correct reference")
  51
  52 __warn_references(__fstat13,
  53     "warning: reference to compatibility __fstat13(); include <sys/stat.h> to generate correct reference")
  54
  55 __warn_references(__lstat13,
  56     "warning: reference to compatibility __lstat13(); include <sys/stat.h> to generate correct reference")
  57
  58 __warn_references(fhstat,
  59     "warning: reference to compatibility fhstat(); include <sys/mount.h> to generate correct reference")
  60
  61 __strong_alias(__stat13, __compat___stat13)
  62 __strong_alias(__fstat13, __compat___fstat13)
  63 __strong_alias(__lstat13, __compat___lstat13)
  64 __strong_alias(fhstat, __compat_fhstat)
  65
  66 /*
  67  * Convert from a new to an old stat structure.
  68  */
  69
  70 static void cvtstat(struct stat13 *, const struct stat *);
  71
  72 static void
  73 cvtstat(struct stat13 *ost, const struct stat *st)
  74 {
  75
  76         ost->st_dev = (uint32_t)st->st_dev;
  77         ost->st_ino = (uint32_t)st->st_ino;
  78         ost->st_mode = st->st_mode;
  79         ost->st_nlink = st->st_nlink;
  80         ost->st_uid = st->st_uid;
  81         ost->st_gid = st->st_gid;
  82         ost->st_rdev = (uint32_t)st->st_rdev;
  83         ost->st_atimespec.tv_sec = (int32_t)st->st_atimespec.tv_sec;
  84         ost->st_atimespec.tv_nsec = st->st_atimespec.tv_nsec;
  85         ost->st_mtimespec.tv_sec = (int32_t)st->st_mtimespec.tv_sec;
  86         ost->st_mtimespec.tv_nsec = st->st_mtimespec.tv_nsec;
  87         ost->st_ctimespec.tv_sec = (int32_t)st->st_ctimespec.tv_sec;
  88         ost->st_ctimespec.tv_nsec = st->st_ctimespec.tv_nsec;
  89         ost->st_birthtimespec.tv_sec = (int32_t)st->st_birthtimespec.tv_sec;
  90         ost->st_birthtimespec.tv_nsec = st->st_birthtimespec.tv_nsec;
  91         ost->st_size = st->st_size;
  92         ost->st_blocks = st->st_blocks;
  93         ost->st_blksize = st->st_blksize;
  94         ost->st_flags = st->st_flags;
  95         ost->st_gen = st->st_gen;
  96 }
  97
  98 int
  99 __compat___stat13(const char *file, struct stat13 *ost)
 100 {
 101         struct stat nst;
 102         int ret;
 103
 104         if ((ret = __stat50(file, &nst)) == -1)
 105                 return ret;
 106         cvtstat(ost, &nst);
 107         return ret;
 108 }
 109
 110 int
 111 __compat___fstat13(int f, struct stat13 *ost)
 112 {
 113         struct stat nst;
 114         int ret;
 115
 116         if ((ret = __fstat50(f, &nst)) == -1)
 117                 return ret;
 118         cvtstat(ost, &nst);
 119         return ret;
 120 }
 121
 122 int
 123 __compat___lstat13(const char *file, struct stat13 *ost)
 124 {
 125         struct stat nst;
 126         int ret;
 127
 128         if ((ret = __lstat50(file, &nst)) == -1)
 129                 return ret;
 130         cvtstat(ost, &nst);
 131         return ret;
 132 }
 133
 134 int
 135 __compat_fhstat(const struct compat_30_fhandle *fh, struct stat13 *ost)
 136 {
 137         struct stat nst;
 138         int ret;
 139
 140         if ((ret = __fhstat50((const void *)fh, /* FHANDLE_SIZE_COMPAT */28, &nst)) == -1)
 141                 return ret;
 142         cvtstat(ost, &nst);
 143         return ret;
 144 }