ISO8211 library support error

[frankyang]

When the record length is zero, some S57 files can't be processed normally, cause the program frozen.

[frankyang]

Unsupported S57 zip file

[Even Rouault]

I don't see any obvious issue when running "ogr2ogr CN544258 CN544258.000 -skip" with GDAL 1.9.x or later. Could you elaborate more on the version and platforms you are using ?

[frankyang]

Sorry I think I use too old CPL library, at the line:

VSIFSeekL(fp, pos, SEEK_SET);

On Windows XP, this line doesn't move the file pointer to correct position, I changed:

VSIFSeek(fp, pos, SEEK_SET); It is working normally!

[Even Rouault]

Hum, I'm not sure how/with what you're building the ISO8211 library, but generally you shouldn't mix VSIF* and VSIF*L API, unless one is really aliases to the other one

Closing the ticket on the assumptium that the issue you had was due to oddities related to your custom build