2.2.18pre15aa1 and reiserfs and cvs glibc opendir broke

From: brian@worldcontrol.com
Date: Fri Oct 13 2000 - 19:10:51 EDT

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    I have a program:

    #include <stdio.h>
    #include <sys/types.h>
    #include <dirent.h>

    int
    main() {
        DIR *dir = opendir("/uss/zzq/TIDs");
        printf("dir = %08lx\n",(int)dir);
    }

    which fails to work correctly under the development version of libc.

    brian@remo brian>gcc foo.c (redhat 6.2 libc)
    brian@remo brian>./a.out
    dir = 08049760

    brian@remo brian>xgcc foo.c (recent cvs libc)
    brian@remo brian>./a.out
    dir = 00000000

    the machines remo runs 2.2.18pre15aa1 and the filesystem is
    reiserfs 3.5.26. The same thing happens if the filesystem is ext2.

    gcc and xgcc invoke the same compiler:
    egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)

    And here is the actual failure in the bowels of libc:

    (gdb) s
    __libc_fcntl (fd=6, cmd=2) at ../sysdeps/unix/sysv/linux/i386/fcntl.c:44
    44 arg = va_arg (ap, void *);
    (gdb) n
    51 if (! __have_no_fcntl64)
    (gdb) n
    53 int result = INLINE_SYSCALL (fcntl64, 3, fd, cmd, arg);
    (gdb) n
    54 if (result >= 0 || errno != ENOSYS)
    (gdb) print result
    $9 = -1

    What has gone wrong?

    Thanks, 

    -- 
Brian Litzinger <brian@litzinger.com>

        Copyright (c) 2000 By Brian Litzinger, All Rights Reserved

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