'fopen' successfully opens directories

[John W. Eaton]

On 23-Apr-2008, Sergei Steshenko wrote:

| --- "John W. Eaton" <jwe at bevo.che.wisc.edu> wrote:
| 
| > Instead of a warning, maybe it would be better to just be compatible
| > with the other brand and return -1?

| What about 'matlab' compatibility ? I do not have 'matlab' to try.

I thought that from what I wrote above it was clear that the Matlab
behavior is to return -1 for directories.  I checked in the following
patch.  It is really just a two line change plus changes in
indentation.

jwe


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