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No access to the NC_SHARE flag. #55

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ernestum opened this issue Mar 9, 2018 · 3 comments
Closed

No access to the NC_SHARE flag. #55

ernestum opened this issue Mar 9, 2018 · 3 comments
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@WardF
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4.3.1

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@ernestum
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ernestum commented Mar 9, 2018

The NC_SHARE flag can not be accessed from this c++ library. Is there any particular reason for this? You can read more about the NC_SHARE flage here.
@WardF
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WardF commented Mar 14, 2018

This is odd, it should be available. What happens when you try to open a file, and specify NC_SHARE?

@ernestum
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It is just plain not possible. If you have a look at the open method of ncFile where the nc_open/nc_create of the underlying c library is called, you see, that there is no way for me to control flags directly. I can only indirectly make it use one of NC_WRITE, NC_NOWRITE, NC_NETCDF4 | NC_NOCLOBBER, NC_NETCDF4 | NC_CLOBBER based on the file mode that I provide. This is by the way the only place in the library, that nc_create/nc_open are called. That means the is not other detour I could take to get the NC_SHARE flag in.

@WardF WardF self-assigned this Jun 11, 2018
@WardF WardF added this to the 4.3.1 milestone Jun 11, 2018
@WardF
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WardF commented Jun 19, 2018

Updated ncFile.cpp to add a constructor that will take any/all flags from netcdf.h. Got a test in the pipeline now, will close this out once it's merged.

@WardF WardF mentioned this issue Jun 19, 2018
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@WardF WardF closed this as completed in #56 Jun 19, 2018
netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this issue Jun 3, 2023
(devel/netcdf-cxx) Updated 4.2 to 4.3.1
efb12c3 
\Brief Release notes file for the netcdf-cxx4 package.

This file contains a high-level description of this package's
evolution. Releases are in reverse chronological order (most recent
first).

Note that this file was created and maintained starting with the `netcdf-cxx4 4.3.0 release`.

## netCDF-CXX4 4.3.2 TBD

## netCDF-CXX4 v4.3.1 September 11, 2019

### Requirements

* netCDF-C 4.6.0 or greater

### Changes

* [Enhancement] Added cmake support to distribution files created by `make dist`.

* [Bug Fix] Added `ncFile::create()`, also added a new `open` function
  and constructor to allow for more flexibility when opening a file.
  See [GitHub #55](Unidata/netcdf-cxx4#55)
  for more information.

* [Enhancement] Addressed an issue reported with `Intel Compilers
  17.0.0`. See [GitHub
  #41](Unidata/netcdf-cxx4#41) for more
  information.

* [Enhancement] Updated how `configure` determines information about
  the existing netCDF-C install.  See [GitHub pull request
  #39](Unidata/netcdf-cxx4#39) for more
  information.

* Corrected an issue where cmake-based builds weren't generating
  `ncxx4-config`.  See [GitHub pull request
  #37](Unidata/netcdf-cxx4#37) for more
  information.


## netcdf-cxx4 v4.3.0 released May 13, 2016

* Fixed an issue where the tests were failing silently, and the
  underlying `NcType` class could not properly determine the type name
  or type size reliably. See [GitHub issue
  #30](Unidata/netcdf-cxx4#30) for more
  information.

* Changed `NCXX_ENABLE_DOXYGEN` option to an easier-to-remember `ENABLE_DOXYGEN`.

* Added `--enable-doxygen`, `-DNCXX_ENABLE_DOXYGEN=ON` options to
  allow generation of netCDF-CXX4 documentation via doxygen using
  either `configure` or `cmake`, respectively.

* Added `netcdf-cxx4` to the [Coverity Scan
  Dashboard](https://scan.coverity.com/projects/unidata-netcdf-cxx4?tab=overview).

* Added `open` and `close` methods for NcFile.  See [Github Pull
  Request #18](Unidata/netcdf-cxx4#18) for
  more information.

* Added `netcdf-cxx4` to travis-ci.org.  See
  [https://travis-ci.org/Unidata/netcdf-cxx4](https://travis-ci.org/Unidata/netcdf-cxx4)
  for more details.

* Added `NcCompoundType` methods `getMemberName` and `getMemberIndex`.
  See [Pull Request
  #19](Unidata/netcdf-cxx4#19) for more
  details.

* Added  `cmake` support  to  `netcdf-cxx4`, which  will  allow us  to
  create a  `CDash` continuous integration dashboard  similar to those
  created for the `netcdf-c` and `netcdf-fortran` projects.

* Added a `travis-ci` configuration file, `.travis.yml`.

* Created `RELEASE_NOTES.md`.
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