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Mail Archives: cygwin/2000/08/11/12:21:24

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Message-ID: <0102AE2D3200D4118AE20050DACDB02E017367@congress.vhcorp.com>
From: Eric Hanchrow <erich AT votehere DOT net>
To: "'cygwin AT sourceware DOT cygnus DOT com'" <cygwin AT sourceware DOT cygnus DOT com>,
"'dwyatt AT sunflower DOT com'" <dwyatt AT sunflower DOT com>,
"'cgf AT cygnus DOT com'"
<cgf AT cygnus DOT com>
Subject: 1.1.2: snprintf writes one too many characters
Date: Fri, 11 Aug 2000 09:22:49 -0700
MIME-Version: 1.0
X-Mailer: Internet Mail Service (5.5.2650.21) 

In http://sources.redhat.com/ml/cygwin/2000-08/msg00276.html Doug and cgf
write:
    ...

    >on Linux and HP-UX, when the string exceeds 'size' then (size - 1)
    >chars plus a NUL are written, but on Cygwin 'size' chars are written
    >and a NUL is placed into target[size]

    It sounds like a bug to me.

And it sounds like a bug to the GNU Configure script (at least, the
version that comes with
ftp://download.sourceforge.net/pub/mirrors/OpenBSD/OpenSSH/portable/openssh-
2.1.1p4.tar.gz).
That script reproduces the problem with this little C program:

    #include <stdio.h>
    int main(void)
    {
      char b[5];
      snprintf(b,5,"123456789");
      return(b[4]!='\0');
    }

The correct return value is 0, but on Cygwin, we get non-zero.

This problem prevents me from building openssh.


Cygnus Win95/NT Configuration Diagnostics
Current System Time: Fri Aug 11 09:17:34 2000

WinNT Ver 4.0 build 1381 Service Pack 5

Path:	/usr/bin
	/usr/local/bin
	/cygdrive/c/WINNT/system32
	/cygdrive/c/WINNT
	/cygdrive/c/PROGRA~1/MICROS~1/Office
	/cygdrive/c/Program Files/Network Associates/PGPNT
	/cygdrive/c/Program Files/Perforce
	/usr/X11R6/bin
	/usr/games
	/cygdrive/c/vim57

SysDir: C:\WINNT\System32
WinDir: C:\WINNT

HOME = `/cygdrive/c/WINNT/Profiles/erich'
PWD = `/tmp/openssh-2.1.1p4'

COMPUTERNAME = `ALPHA'
COMSPEC = `C:\WINNT\system32\cmd.exe'
CVS_RSH = `ssh'
EDITOR = `vim'
EMACS = `t'
EMACSDATA = `C:/emacs-20.6/etc'
EMACSDOC = `C:/emacs-20.6/etc'
EMACSLOADPATH =
`C:/emacs-20.6/site-lisp;C:/emacs-20.6/lisp;C:/emacs-20.6/leim'
EMACSLOCKDIR = `C:/emacs-20.6/lock'
EMACSPATH = `C:/emacs-20.6/bin'
EMACS_DIR = `C:/emacs-20.6'
EM_PARENT_PROCESS_ID = `283'
HOMEDRIVE = `C:'
HOMEPATH = `\'
HOSTNAME = `ALPHA'
HOSTTYPE = `i586'
LOGONSERVER = `\\CONGRESS'
MACHTYPE = `i586-pc-cygwin'
NUMBER_OF_PROCESSORS = `1'
OLDPWD = `/tmp'
OS2LIBPATH = `C:\WINNT\system32\os2\dll;'
OS = `Windows_NT'
OSTYPE = `cygwin'
PATHEXT = `.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH'
PROCESSOR_ARCHITECTURE = `x86'
PROCESSOR_IDENTIFIER = `x86 Family 6 Model 7 Stepping 3, GenuineIntel'
PROCESSOR_LEVEL = `6'
PROCESSOR_REVISION = `0703'
SHELL = `C:/emacs-20.6/bin/cmdproxy.exe'
SHLVL = `1'
SYSTEMDRIVE = `C:'
SYSTEMROOT = `C:\WINNT'
TEMP = `C:\TEMP'
TERM = `emacs'
TERMCAP = `emacs:co#80:tc=unknown:'
TMP = `C:\TEMP'
TMPDIR = `/cygdrive/c/TEMP'
USERDOMAIN = `WA'
USERNAME = `erich'
USERPROFILE = `C:\WINNT\Profiles\erich'
VIM = `/cygdrive/c/vim57'
WINDIR = `C:\WINNT'
_ = `/usr/bin/cygcheck'
TZ = `PST8PDT7,M4.1.0/2,M10.5.0/2'

HKEY_CURRENT_USER\Software\Cygnus Solutions
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2
  (default) = `/cygdrive'
  cygdrive flags = 0x00000020
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/
  (default) = `C:\cygwin'
  flags = 0x00000002
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/peng
  (default) = `//peng01/erich'
  flags = 0x00000000
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/usr/bin
  (default) = `C:\cygwin\bin'
  flags = 0x00000002
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/usr/lib
  (default) = `C:\cygwin\lib'
  flags = 0x00000002
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\Program Options
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\00
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\01
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\02
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\03
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\04
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\05
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\06
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\07
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\08
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\09
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0A
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0B
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0C
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0D
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0E
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0F
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\10
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\11
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\12
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\13
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\14
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\15
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\16
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\17
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\18
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\19
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\1A
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\1B
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\1C
HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\1D
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\Installed Components
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\Installed
Components\C:/cygwin
  (default) = `20000517'
  bash = `0002.0004.0001'
  binutils = `19990818.0001'
  bison = `0000'
  byacc = `0000'
  bzip = `0000'
  clear = `0001.0000'
  cygwin = `0001.0001.0002'
  dejagnu = `0000'
  diff = `0000'
  expect = `0000'
  fileutils = `0000'
  findutils = `0000'
  flex = `0000'
  gawk = `0000'
  gcc = `0002.0095.0002.0001'
  gdb = `20000610'
  gperf = `0000'
  grep = `0000'
  groff = `0001.011a.0001'
  gzip = `0000'
  inetutils = `0001.0003.0002.0002'
  less = `0000'
  libpng = `0001.0000.0006.0001'
  login = `0001.0002'
  m = `0000'
  make = `0003.0079.0001'
  man = `0001.005g.0002'
  patch = `0000'
  sed = `0003.0002.0001'
  shellutils = `0000'
  tar = `0000'
  tcltk = `20000610'
  termcap = `0002'
  texinfo = `0000'
  textutils = `0000'
  time = `0000'
  zlib = `0001.0001.0003.0001'
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\00
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\01
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\02
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\03
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\04
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\05
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\06
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\07
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\08
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\09
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\0A
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\0B
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\0C
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\0D
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\0E
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\0F
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\10
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\11
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\12
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\13
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\14
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\15
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\16
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\17
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\18
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\19
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\1A
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\1B
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\1C
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL
setup\b15.0\mounts\1D

a:  fd           N/A    N/A                    
c:  hd  NTFS    4000Mb  64% CP CS UN PA FC     
d:  cd           N/A    N/A                    
e:  net NTFS    7813Mb  85%          PA        erich

\\peng01\erich  /peng    user    textmode
C:\cygwin\bin  /usr/bin  user    binmode
C:\cygwin\lib  /usr/lib  user    binmode
C:\cygwin  /        user    binmode

Found: C:\cygwin\bin\bash.exe
Found: C:\cygwin\bin\cat.exe
Found: C:\cygwin\bin\cpp.exe
Found: C:\cygwin\bin\find.exe
Found: C:\cygwin\bin\gcc.exe
Found: C:\cygwin\bin\gdb.exe
Found: C:\cygwin\bin\ld.exe
Found: C:\cygwin\bin\ls.exe
Found: C:\cygwin\bin\make.exe
Found: C:\cygwin\bin\sh.exe

   83k 2000/06/11 C:\cygwin\bin\cygitcl30.dll - os=4.0 img=1.0 sys=4.0
                  "cygitcl30.dll" v0.0 ts=2000/6/10 20:34
   35k 2000/06/11 C:\cygwin\bin\cygitk30.dll - os=4.0 img=1.0 sys=4.0
                  "cygitk30.dll" v0.0 ts=2000/6/10 20:34
  402k 2000/06/11 C:\cygwin\bin\cygtcl80.dll - os=4.0 img=1.0 sys=4.0
                  "cygtcl80.dll" v0.0 ts=2000/6/10 20:30
    5k 2000/06/11 C:\cygwin\bin\cygtclpip80.dll - os=4.0 img=1.0 sys=4.0
   10k 2000/06/11 C:\cygwin\bin\cygtclreg80.dll - os=4.0 img=1.0 sys=4.0
                  "cygtclreg80.dll" v0.0 ts=2000/6/10 20:30
  639k 2000/06/11 C:\cygwin\bin\cygtk80.dll - os=4.0 img=1.0 sys=4.0
                  "cygtk80.dll" v0.0 ts=2000/6/10 20:34
  575k 2000/06/07 C:\cygwin\bin\cygwin1.dll - os=4.0 img=1.0 sys=4.0
                  "cygwin1.dll" v0.0 ts=2000/6/6 19:20
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