usr/src/ucblib/libucb/port/gen/statfs.c

   1 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
   2 /*        All Rights Reserved   */
   3
   4
   5 /*
   6  * Copyright (c) 1985 Regents of the University of California.
   7  * All rights reserved.  The Berkeley software License Agreement
   8  * specifies the terms and conditions for redistribution.
   9  */
  10
  11 /*
  12  * Copyright (c) 1988-1997, by Sun Microsystems, Inc.
  13  * All Rights reserved.
  14  */
  15
  16 #pragma ident   "%Z%%M% %I%     %E% SMI"
  17
  18 /*LINTLIBRARY*/
  19
  20 #include <sys/types.h>
  21 #include <errno.h>
  22 #include <sys/statvfs.h>
  23 #include <sys/vfs.h>
  24
  25 #if !defined(_LP64)
  26 static void
  27 cnvtvfs64(struct statfs64 *buf, struct statvfs64 *vbuf)
  28 {
  29         buf->f_type = 0;
  30         buf->f_bsize = vbuf->f_frsize;
  31         buf->f_blocks = vbuf->f_blocks;
  32         buf->f_bfree = vbuf->f_bfree;
  33         buf->f_bavail = vbuf->f_bavail;
  34         buf->f_files = vbuf->f_files;
  35         buf->f_ffree = vbuf->f_ffree;
  36         buf->f_fsid.val[0] = vbuf->f_fsid;
  37         buf->f_fsid.val[1] = 0;
  38 }
  39
  40 int
  41 statfs64(char *path, struct statfs64 *buf)
  42 {
  43         int ret;
  44         struct statvfs64 vbuf;
  45
  46         if ((long)buf == -1L) {
  47                 errno = EFAULT;
  48                 return (-1);
  49         }
  50
  51         if ((ret = statvfs64(path, &vbuf)) != -1)
  52                 cnvtvfs64(buf, &vbuf);
  53         return (ret);
  54 }
  55
  56 int
  57 fstatfs64(int fd, struct statfs64 *buf)
  58 {
  59         int ret;
  60         struct statvfs64 vbuf;
  61
  62         if ((ret = fstatvfs64(fd, &vbuf)) != -1)
  63                 cnvtvfs64(buf, &vbuf);
  64         return (ret);
  65 }
  66 #endif
  67
  68 static void
  69 cnvtvfs(struct statfs *buf, struct statvfs *vbuf)
  70 {
  71         buf->f_type = 0;
  72         buf->f_bsize = vbuf->f_frsize;
  73         buf->f_blocks = vbuf->f_blocks;
  74         buf->f_bfree = vbuf->f_bfree;
  75         buf->f_bavail = vbuf->f_bavail;
  76         buf->f_files = vbuf->f_files;
  77         buf->f_ffree = vbuf->f_ffree;
  78         buf->f_fsid.val[0] = vbuf->f_fsid;
  79         buf->f_fsid.val[1] = 0;
  80 }
  81
  82 int
  83 statfs(char *path, struct statfs *buf)
  84 {
  85         int ret;
  86         struct statvfs vbuf;
  87
  88         if ((long)buf == -1L) {
  89                 errno = EFAULT;
  90                 return (-1);
  91         }
  92
  93         if ((ret = statvfs(path, &vbuf)) != -1)
  94                 cnvtvfs(buf, &vbuf);
  95         return (ret);
  96 }
  97
  98
  99 int
 100 fstatfs(int fd, struct statfs *buf)
 101 {
 102         int ret;
 103         struct statvfs vbuf;
 104
 105         if ((ret = fstatvfs(fd, &vbuf)) != -1)
 106                 cnvtvfs(buf, &vbuf);
 107         return (ret);
 108 }