aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/mips/xstatconv.c
blob: 41d1cbb7682671169e83b56f39ff32344b1bcc79 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/* Convert between the kernel's `struct stat' format, and libc's.
   Copyright (C) 1991,1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <errno.h>
#include <sys/stat.h>
#include <kernel_stat.h>

#ifdef STAT_IS_KERNEL_STAT

/* Dummy.  */
struct kernel_stat;

#else

#include <string.h>


int
__xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
{
  switch (vers)
    {
    case _STAT_VER_KERNEL:
      /* Nothing to do.  The struct is in the form the kernel expects.
         We should have short-circuted before we got here, but for
         completeness... */
      *(struct kernel_stat *) ubuf = *kbuf;
      break;

    case _STAT_VER_LINUX:
      {
	struct stat *buf = ubuf;

	/* Convert to current kernel version of `struct stat'.  */
	buf->st_dev = kbuf->st_dev;
	buf->st_pad1[0] = 0; buf->st_pad1[1] = 0; buf->st_pad1[2] = 0;
	buf->st_ino = kbuf->st_ino;
	buf->st_mode = kbuf->st_mode;
	buf->st_nlink = kbuf->st_nlink;
	buf->st_uid = kbuf->st_uid;
	buf->st_gid = kbuf->st_gid;
	buf->st_rdev = kbuf->st_rdev;
	buf->st_pad2[0] = 0; buf->st_pad2[1] = 0;
	buf->st_pad3 = 0;
	buf->st_size = kbuf->st_size;
	buf->st_blksize = kbuf->st_blksize;
	buf->st_blocks = kbuf->st_blocks;

	buf->st_atime = kbuf->st_atime; buf->__reserved0 = 0;
	buf->st_mtime = kbuf->st_mtime; buf->__reserved1 = 0;
	buf->st_ctime = kbuf->st_ctime; buf->__reserved2 = 0;

	buf->st_pad5[0] = 0; buf->st_pad5[1] = 0;
	buf->st_pad5[2] = 0; buf->st_pad5[3] = 0;
	buf->st_pad5[4] = 0; buf->st_pad5[5] = 0;
	buf->st_pad5[6] = 0; buf->st_pad5[7] = 0;
      }
      break;

    default:
      __set_errno (EINVAL);
      return -1;
    }

  return 0;
}

int
__xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
{
#ifdef XSTAT_IS_XSTAT64
  return xstat_conv (vers, kbuf, ubuf);
#else
  switch (vers)
    {
    case _STAT_VER_LINUX:
      {
	struct stat64 *buf = ubuf;

	buf->st_dev = kbuf->st_dev;
	buf->st_pad1[0] = 0; buf->st_pad1[1] = 0; buf->st_pad1[2] = 0;
	buf->st_ino = kbuf->st_ino;
	buf->st_mode = kbuf->st_mode;
	buf->st_nlink = kbuf->st_nlink;
	buf->st_uid = kbuf->st_uid;
	buf->st_gid = kbuf->st_gid;
	buf->st_rdev = kbuf->st_rdev;
	buf->st_pad2[0] = 0; buf->st_pad2[1] = 0; buf->st_pad2[2] = 0;
	buf->st_pad3 = 0;
	buf->st_size = kbuf->st_size;
	buf->st_blksize = kbuf->st_blksize;
	buf->st_blocks = kbuf->st_blocks;

	buf->st_atime = kbuf->st_atime; buf->__reserved0 = 0;
	buf->st_mtime = kbuf->st_mtime; buf->__reserved1 = 0;
	buf->st_ctime = kbuf->st_ctime; buf->__reserved2 = 0;

	buf->st_pad4[0] = 0; buf->st_pad4[1] = 0;
	buf->st_pad4[2] = 0; buf->st_pad4[3] = 0;
	buf->st_pad4[4] = 0; buf->st_pad4[5] = 0;
	buf->st_pad4[6] = 0; buf->st_pad4[7] = 0;
      }
      break;

      /* If struct stat64 is different from struct stat then
	 _STAT_VER_KERNEL does not make sense.  */
    case _STAT_VER_KERNEL:
    default:
      __set_errno (EINVAL);
      return -1;
    }

  return 0;
#endif
}

#endif /* ! STAT_IS_KERNEL_STAT */