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re: https://github.com/Unidata/netcdf-c/issues/1154 Inadvertently, the behavior of NC_DISKLESS with nc_create() was changed in release 4.6.1. Previously, the NC_WRITE flag needed to be explicitly used with NC_DISKLESS in order to cause the created file to be persisted to disk. Additional analyis indicated that the current NC_DISKLESS implementation was seriously flawed. This PR attempts to clean up and regularize the situation with respect to NC_DISKLESS control. One important aspect of diskless operation is that there are two different notions of write. 1. The file is read-write vs read-only when using the netcdf API. 2. The file is persisted or not to disk at nc_close(). Previously, these two were conflated. The rules now are as follows. 1. NC_DISKLESS + NC_WRITE means that the file is read/write using the netcdf API 2. NC_DISKLESS + NC_PERSIST means that the file is persisted to a disk file at nc_close. 3. NC_DISKLESS + NC_PERSIST + NC_WRITE means both 1 and 2. The NC_PERSIST flag is new and takes over the obsolete NC_MPIPOSIX flag. NC_MPIPOSIX is still defined, but is now an alias for the NC_MPIIO flag. It is also now the case that for netcdf-4, NC_DISKLESS is independent of NC_INMEMORY and in fact it is an error to specify both flags simultaneously. Finally, the MMAP code was fixed to use NC_PERSIST as well. Also marked MMAP as deprecated. Also added a test case to test various combinations of NC_DISKLESS, NC_PERSIST, and NC_WRITE. This PR affects a number of files and especially test cases that used NC_DISKLESS. Misc. Unrelated fixes 1. fixed some warnings in ncdump/dumplib.c |
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| u | ||
| CMakeLists.txt | ||
| crc32.c | ||
| crc32.h | ||
| datt.c | ||
| dattget.c | ||
| dattinq.c | ||
| dattput.c | ||
| dauth.c | ||
| dcompound.c | ||
| dcopy.c | ||
| ddim.c | ||
| ddispatch.c | ||
| defcheck.c | ||
| denum.c | ||
| derror.c | ||
| dfile.c | ||
| dfilter.c | ||
| dgroup.c | ||
| dinternal.c | ||
| dnotnc3.c | ||
| dnotnc4.c | ||
| doffsets.c | ||
| dopaque.c | ||
| dparallel.c | ||
| drc.c | ||
| dreadonly.c | ||
| dstring.c | ||
| dtype.c | ||
| dutf8.c | ||
| dutil.c | ||
| dv2i.c | ||
| dvar.c | ||
| dvarget.c | ||
| dvarinq.c | ||
| dvarput.c | ||
| dvlen.c | ||
| dwinpath.c | ||
| heap | ||
| json.c | ||
| Make0 | ||
| Makefile.am | ||
| nc.c | ||
| ncaux.c | ||
| ncbytes.c | ||
| nchashmap.c | ||
| nclist.c | ||
| nclistmgr.c | ||
| nclog.c | ||
| ncsettings.hdr | ||
| nctime.c | ||
| ncuri.c | ||
| netcdf.m4 | ||
| stubdef.c | ||
| test_ncuri.c | ||
| test_pathcvt.c | ||
| u8.c | ||
| u8.h | ||
| utf8proc_data.c | ||
| utf8proc.c | ||
| utf8proc.h | ||