lftp >= lftp-pre3.0.0-20040212 problem

Hi.

problem)
not use lftp (ver 3).
not return prompt (lftp or shell).

environment)
OS: AIX 5L 5.1
    $ oslevel -r
    5100-05
CC: gcc-3.3-20040411
    $ gcc --version
    gcc version 3.3.4 20040411 (prerelease)



* OK (lftp <= lftp-pre3.0.0-20040205)
$ ./configure \
  --disable-largefile \
  --disable-nls \
  --enable-static \
  --with-ssl
$ gmake
$ src/lftp --version
Lftp | Version pre3.0.0-20040205 | Copyright (c) 1996-2002 Alexander V. Lukyanov
This is free software with ABSOLUTELY NO WARRANTY. See COPYING for details.
Send bug reports and questions to <[email protected]>.
$ src/lftp
readline: warning: turning on OPOST for terminal
readline: warning: turning on OPOST for terminal
lftp :~> bye
$



* NG (lftp >= lftp-pre3.0.0-20040212)
$ ./configure \
  --disable-largefile \
  --disable-nls \
  --enable-static \
  --with-ssl
$ gmake
$ src/lftp --version

(not return)
$ src/lftp

(not return)



Please commit this patch.

$ cat AIX.patch
--- src/StatusLine.cc.orig      2004-03-13 22:36:09 +0900
+++ src/StatusLine.cc   2004-05-01 16:31:18 +0900
@@ -234,6 +234,7 @@
         wpos--;  // FIXME: assumption - space width is 1
       }

+      if ((end-newstr[curr_line]) > 0)
       write(fd,newstr[curr_line],end-newstr[curr_line]);

       const char *shown_curr=(curr_line>=shown.Count()?"":shown[curr_line]);
$


test)
$ cat test.c
#include <stdio.h>
#include <unistd.h>

int main(int argc, char *argv[])
{
        int fd = 1;
        int size = 0;
        char buff[] = "write() system call test.";

#ifdef NG
        size = 0;
#else
        size = sizeof(buff) - 1;
#endif
        write(fd, buff, size);

        fprintf(stderr, "\n\n\treached\n"); fflush(stderr);

        return 0;
}
$ cc test.c    (--> cc is IBM vac.C 5.0.2.9)
$ ./a.out
write() system call test.

        reached
$ cc -DNG test.c
$ ./a.out


(not display string "reached". not return.)



"The Open Group Base Specifications Issue 6
IEEE Std 1003.1, 2003 Edition
Copyright (c) 2001-2003 The IEEE and The Open Group,
 All Rights reserved."
> ...
> SYNOPSIS
> ...
>  ssize_t write(int fildes, const void *buf, size_t nbyte);
> ...
> DESCRIPTION
> ...
> If nbyte is zero and the file is not a regular file, the results
> are unspecified.
> ...
fildes == 1 (stdout) is a regular file or not a regular file ?

---
Sorry, broken english.
I can speak Japanese only.