2.2.18pre15aa1 and reiserfs and cvs glibc opendir broke

From: brian@worldcontrol.com
Date: Fri Oct 13 2000 - 18:10:51 EST

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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