Re: Bash login breaks if too many environment variables are set

2005-09-12 Thread Reid Thompson
Hommersom, Fred wrote: My startup of cygwin is a .bat file with contents call bigsetup.bat set HOME=C:\Data\locations\tc50_custy00 c:\cygwin\bin\bash --login -i The file bigsetup.bat contains a huge amount environment variables. For a medium number (~ 600) everything works fine For a larger nu

Re: Bash login breaks if too many environment variables are set

2005-09-14 Thread Eric Blake
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 According to Reid Thompson on 9/12/2005 5:15 PM: > Hommersom, Fred wrote: > >> >> The file bigsetup.bat contains a huge amount environment variables. >> For a medium number (~ 600) everything works fine >> For a larger number the output is: >> bash: /

RE: Bash login breaks if too many environment variables are set

2005-09-16 Thread Hommersom, Fred
Thanks for the replies so far. Unfortunately is the best option (set variables in bash) not feasable. The .bat file is a complex set of bat files with logic inside so that would take a lot of effort to convert But I have done some experiments with bash without --login option and the advised export

Re: Bash login breaks if too many environment variables are set

2005-09-16 Thread Corinna Vinschen
On Sep 16 11:08, Hommersom, Fred wrote: > > Thanks for the replies so far. Unfortunately is the best option (set > variables in bash) not feasable. > The .bat file is a complex set of bat files with logic inside so that > would take a lot of effort to convert > But I have done some experiments wit

RE: Bash login breaks if too many environment variables are set

2005-09-16 Thread Hommersom, Fred
The problem can be reproduced with cygwin1-20050916.dll The output of strace in the case of a stackdump is below. ** Program name: c:\cygwin\bin\bash.exe (pid 2692, ppid 1) App version: 1005.18, api: 0.132 DLL version: 1005.19, api: 0.138 DLL build:

Re: Bash login breaks if too many environment variables are set

2005-09-16 Thread Corinna Vinschen
On Sep 16 12:51, Hommersom, Fred wrote: > The problem can be reproduced with cygwin1-20050916.dll > The output of strace in the case of a stackdump is below. > > ** > Program name: c:\cygwin\bin\bash.exe (pid 2692, ppid 1) > App version: 1005.18, api: 0

RE: Bash login breaks if too many environment variables are set

2005-09-16 Thread Hommersom, Fred
No problem. here is a new trace (similar to the original) and the related stackdump Exception: STATUS_ACCESS_VIOLATION at eip=610D6971 eax= ebx=10010248 ecx=F2FF edx=00245300 esi=0001 edi=00246000 ebp=0022EE68 esp=0022EE64 program=c:\cygwin\bin\bash.exe, pid 3572, thread main cs=0

Re: Bash login breaks if too many environment variables are set

2005-09-16 Thread Corinna Vinschen
On Sep 16 13:31, Hommersom, Fred wrote: > No problem. here is a new trace (similar to the original) and the related > stackdump > > Exception: STATUS_ACCESS_VIOLATION at eip=610D6971 > eax= ebx=10010248 ecx=F2FF edx=00245300 esi=0001 edi=00246000 > ebp=0022EE68 esp=0022EE64 progra

Re: Bash login breaks if too many environment variables are set

2005-09-16 Thread Corinna Vinschen
On Sep 16 14:28, Corinna Vinschen wrote: > I observerd that tcsh doesn't like variables with a length of 31K, > though. ash, bash, zsh and pdksh could handle that long environment > varibale just fine, tcsh on the other hand printed this: > > $ echo $VERY_LONG_ENV_VAR > Word too long. Never

RE: Bash login breaks if too many environment variables are set

2005-09-16 Thread Hommersom, Fred
Yes sure. You can see this in the header of the dump its says: DLL version: 1005.19, api: 0.138 DLL build:20050916 00:00:39SNP In order to be sure that we are talking about the same things: I have all these variables in DOS and start bash from a CMD window with command c:\cygwin\bin\strace -o

Re: Bash login breaks if too many environment variables are set

2005-09-16 Thread Christopher Faylor
On Fri, Sep 16, 2005 at 03:55:14PM +0200, Hommersom, Fred wrote: >Yes sure. You can see this in the header of the dump its says: >DLL version: 1005.19, api: 0.138 >DLL build:20050916 00:00:39SNP > >In order to be sure that we are talking about the same things: >I have all these variables in DO

RE: Bash login breaks if too many environment variables are set

2005-09-16 Thread Hommersom, Fred
> > From your strace output, it looks to me like windows itself is returning garbage when we ask it for the list of environment variables. > >If that is the case, we can guard against that but we can't make the passed in environment useful, unfortunately. Is it possible that 'asking for the envi

Re: Bash login breaks if too many environment variables are set

2005-09-16 Thread Eric Blake
> >It looks to me as if a buffer or stack is reused if some maximum is > >exceeded with effect that the system sometimes works. > > From your strace output, it looks to me like windows itself is returning > garbage when we ask it for the list of environment variables. I don't think all places in

Re: Bash login breaks if too many environment variables are set

2005-09-16 Thread Christopher Faylor
On Fri, Sep 16, 2005 at 04:36:00PM +, Eric Blake wrote: >>>It looks to me as if a buffer or stack is reused if some maximum is >>>exceeded with effect that the system sometimes works. >> >>From your strace output, it looks to me like windows itself is >>returning garbage when we ask it for the

Re: Bash login breaks if too many environment variables are set

2005-09-16 Thread Eric Blake
> > > >I don't think all places in Windows have the limitation. > > Look at the code. We're inspecting a buffer returned from > GetEnvironmentStrings. That is a windows function. The very first > things returned from this are garbage. OK, I stand corrected. $ /bin/env | wc -c 34664 $ cmd bash

RE: Bash login breaks if too many environment variables are set

2005-09-16 Thread Hommersom, Fred
Perhaps I do not understand it. I was talking about invoking cygin from native. The native environment grows far over 32 k. It just does not show up in bash. If I can help by testing the new snapshot: please supply some hints. Fred >On the other hand, POSIX would claim that this usage should b

Re: Bash login breaks if too many environment variables are set

2005-09-16 Thread Christopher Faylor
On Fri, Sep 16, 2005 at 08:04:57PM +0200, Hommersom, Fred wrote: >Perhaps I do not understand it. I was talking about invoking cygin >from native. The native environment grows far over 32 k. It just does >not show up in bash. If I can help by testing the new snapshot: please >supply some hints.

RE: Bash login breaks if too many environment variables are set

2005-09-16 Thread Hommersom, Fred
>>You can help by running the new snapshot under strace, like you did before. I have done three tests: below the maximum exactly the maximum over the maximum ** Here are the results of the test below the maximum ***

Re: Bash login breaks if too many environment variables are set

2005-09-19 Thread Corinna Vinschen
On Sep 16 21:55, Hommersom, Fred wrote: > > >>You can help by running the new snapshot under strace, like you did before. > > I have done three tests: > below the maximum > exactly the maximum > over the maximum Further empirical tests turned out that the environment in Windows NT is not limited

RE: Bash login breaks if too many environment variables are set

2005-09-19 Thread Hommersom, Fred
Thanks for the answer. Fred >Further empirical tests turned out that the environment in Windows NT is not limited, at least not up to a tested size of about 800K. >But there is a big problem in Windows nevertheless. When using ASCII functions to access the environment, as Cygwin does, the enviro