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Date: Mon, 14 Nov 2005 20:38:00 -0000
From: "tsv at solvo dot ru" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sources.redhat.com
Message-ID: <20051114203814.1864.tsv@solvo.ru>
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Subject: [Bug libc/1864] New: bad struct statvfs declaration on Alpha when _FILE_OFFSET_BITS is defined
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GNU C Library development release version 2.3.5, by Roland McGrath et al.
Copyright (C) 2005 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Compiled by GNU CC version 4.0.1 20050727 (Red Hat 4.0.1-5).
Compiled on a Linux 2.4.20 system on 2005-11-01.

The following test program shows invalid behavior:
#include <sys/statvfs.h>
#include <stdio.h>

void print(struct statvfs value)
{
         printf("%ld\n", (long)value.f_bavail);
}

int main(int argc, char*argv[])
{
         struct statvfs st;
         if(argc!=2){
                 printf("usage: checkstat <path>\n");
                 return 1;
         }
         statvfs(argv[1], &st);
         print(st);
}

falk@juist:/tmp% df /                   
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/hda1               127383     88516     32290  74% /
falk@juist:/tmp% gcc test.c && ./a.out /
32290
falk@juist:/tmp% gcc -D_FILE_OFFSET_BITS=64 test.c && ./a.out /
116483808061937

The problem seems to be that ./sysdeps/unix/sysv/linux/alpha/bits/typesizes.h is
different from ./sysdeps/generic/bits/typesizes.h and defines
__FSBLKCNT_T_TYPE, __FSBLKCNT64_T_TYPE, __FSFILCNT_T_TYPE, __FSFILCNT64_T_TYPE
macros as 32 and 64 bits. I guess the glibc is build with 32 bits
(__FSBLKCNT_T_TYPE, __FSFILCNT_T_TYPE) by default.

What is the correct way to fix it? To define above macros the same way as it is
done in generic version?

Thank you

-- 
           Summary: bad struct statvfs declaration on Alpha when
                    _FILE_OFFSET_BITS is defined
           Product: glibc
           Version: 2.3.5
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: drepper at redhat dot com
        ReportedBy: tsv at solvo dot ru
                CC: glibc-bugs at sources dot redhat dot com
 GCC build triplet: alpha-unknown-linux
  GCC host triplet: alpha-unknown-linux
GCC target triplet: alpha-unknown-linux


http://sourceware.org/bugzilla/show_bug.cgi?id=1864

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