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9983b9d911
re pull request https://github.com/Unidata/netcdf-c/pull/405 re pull request https://github.com/Unidata/netcdf-c/pull/446 Notes: 1. This branch is a cleanup of the magic.dmh branch. 2. magic.dmh was originally merged, but caused problems with parallel IO. It was re-issued as pull request https://github.com/Unidata/netcdf-c/pull/446. 3. This branch + pull request replace any previous pull requests and magic.dmh branch. Given an otherwise valid netCDF file that has a corrupted header, the netcdf library currently crashes. Instead, it should return NC_ENOTNC. Additionally, the NC_check_file_type code does not do the forward search required by hdf5 files. It currently only looks at file position 0 instead of 512, 1024, 2048,... Also, it turns out that the HDF4 magic number is assumed to always be at the beginning of the file (unlike HDF5). The change is localized to libdispatch/dfile.c See https://support.hdfgroup.org/release4/doc/DSpec_html/DS.pdf Also, it turns out that the code in NC_check_file_type is duplicated (mostly) in the function libsrc4/nc4file.c#nc_check_for_hdf. This branch does the following. 1. Make NC_check_file_type return NC_ENOTNC instead of crashing. 2. Remove nc_check_for_hdf and centralize all file format checking NC_check_file_type. 3. Add proper forward search for HDF5 files (but not HDF4 files) to look for the magic number at offsets of 0, 512, 1024... 4. Add test tst_hdf5_offset.sh. This tests that hdf5 files with an offset are properly recognized. It does so by prefixing a legal file with some number of zero bytes: 512, 1024, etc. 5. Off-topic: Added -N flag to ncdump to force a specific output dataset name.
101 lines
4.3 KiB
Bash
Executable File
101 lines
4.3 KiB
Bash
Executable File
#!/bin/sh
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if test "x$srcdir" = x ; then srcdir=`pwd`; fi
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. ../test_common.sh
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# This shell script tests ncdump for netcdf-4
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set -e
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echo ""
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echo "*** Testing ncgen and ncdump test output for netCDF-4 format."
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# echo "*** creating netcdf-4 file c0_4.nc from c0_4.cdl..."
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${NCGEN} -k nc4 -b -o c0_4.nc ${ncgenc04}
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# echo "*** creating c1_4.cdl from c0_4.nc..."
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${NCDUMP} -n c1 c0_4.nc | sed 's/e+0/e+/g' > c1_4.cdl
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# echo "*** comparing c1_4.cdl with ref_ctest1_nc4.cdl..."
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diff -b c1_4.cdl $srcdir/ref_ctest1_nc4.cdl
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echo "*** Testing ncgen and ncdump test output for netCDF-4 classic format."
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# echo "*** creating netcdf-4 classic file c0.nc from c0.cdl..."
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${NCGEN} -k nc7 -b -o c0.nc ${ncgenc0}
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# echo "*** creating c1.cdl from c0.nc..."
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# echo "*** comparing c1.cdl with ref_ctest1_nc4c.cdl..."
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diff -b c1.cdl $srcdir/ref_ctest1_nc4c.cdl
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echo "*** Testing ncdump output for netCDF-4 features."
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${NCDUMP} tst_solar_1.nc | sed 's/e+0/e+/g' > tst_solar_1.cdl
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# echo "*** comparing tst_solar_1.cdl with ref_tst_solar_1.cdl..."
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diff -b tst_solar_1.cdl $srcdir/ref_tst_solar_1.cdl
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${NCDUMP} tst_solar_2.nc | sed 's/e+0/e+/g' > tst_solar_2.cdl
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# echo "*** comparing tst_solar_2.cdl with ref_tst_solar_2.cdl..."
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diff -b tst_solar_2.cdl $srcdir/ref_tst_solar_2.cdl
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${NCDUMP} tst_group_data.nc | sed 's/e+0/e+/g' > tst_group_data.cdl
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# echo "*** comparing tst_group_data.cdl with ref_tst_group_data.cdl..."
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diff -b tst_group_data.cdl $srcdir/ref_tst_group_data.cdl
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# Temporary hack to skip a couple tests that won't work in windows
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# without changing the format of the string. See:
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#
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# http://www.mingw.org/wiki/Posix_path_conversion
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if [[ "$OSTYPE" != 'msys' ]]; then
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echo "*** Testing -v option with absolute name and groups..."
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${NCDUMP} -v /g2/g3/var tst_group_data.nc | sed 's/e+0/e+/g' > tst_group_data.cdl
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# echo "*** comparing tst_group_data.cdl with ref_tst_group_data_v23.cdl..."
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diff -b tst_group_data.cdl $srcdir/ref_tst_group_data_v23.cdl
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fi
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echo "*** Testing -v option with relative name and groups..."
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${NCDUMP} -v var,var2 tst_group_data.nc | sed 's/e+0/e+/g' > tst_group_data.cdl
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# echo "*** comparing tst_group_data.cdl with ref_tst_group_data.cdl..."
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diff -b tst_group_data.cdl $srcdir/ref_tst_group_data.cdl
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${NCDUMP} tst_enum_data.nc | sed 's/e+0/e+/g' > tst_enum_data.cdl
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# echo "*** comparing tst_enum_data.cdl with ref_tst_enum_data.cdl..."
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diff -b tst_enum_data.cdl $srcdir/ref_tst_enum_data.cdl
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${NCDUMP} tst_opaque_data.nc | sed 's/e+0/e+/g' > tst_opaque_data.cdl
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# echo "*** comparing tst_opaque_data.cdl with ref_tst_opaque_data.cdl..."
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diff -b tst_opaque_data.cdl $srcdir/ref_tst_opaque_data.cdl
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${NCDUMP} tst_vlen_data.nc | sed 's/e+0/e+/g' > tst_vlen_data.cdl
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# echo "*** comparing tst_vlen_data.cdl with ref_tst_vlen_data.cdl..."
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diff -b tst_vlen_data.cdl $srcdir/ref_tst_vlen_data.cdl
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${NCDUMP} tst_comp.nc | sed 's/e+0/e+/g' > tst_comp.cdl
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# echo "*** comparing tst_comp.cdl with ref_tst_comp.cdl..."
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diff -b tst_comp.cdl $srcdir/ref_tst_comp.cdl
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# echo "*** creating tst_nans.cdl from tst_nans.nc"
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${NCDUMP} tst_nans.nc | sed 's/e+0/e+/g' > tst_nans.cdl
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# echo "*** comparing ncdump of generated file with ref_tst_nans.cdl ..."
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diff -b tst_nans.cdl $srcdir/ref_tst_nans.cdl
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# Do unicode test only if it exists => BUILD_UTF8 is true
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if test -f ./tst_unicode -o -f ./tst_unicode.exe ; then
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echo "*** dumping tst_unicode.nc to tst_unicode.cdl..."
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./tst_unicode
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${NCDUMP} tst_unicode.nc | sed 's/e+0/e+/g' > tst_unicode.cdl
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#echo "*** comparing tst_unicode.cdl with ref_tst_unicode.cdl..."
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#diff -b tst_unicode.cdl $srcdir/ref_tst_unicode.cdl
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fi
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${execdir}/tst_special_atts
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${NCDUMP} -c -s tst_special_atts.nc \
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| sed 's/e+0/e+/g' \
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| sed -e 's/netcdflibversion=.*[|]/netcdflibversion=0.0.0|/' \
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| sed -e 's/hdf5libversion=.*"/hdf5libversion=0.0.0"/' \
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| sed -e 's|_SuperblockVersion = [0-9]|_SuperblockVersion = 0|' \
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| cat > tst_special_atts.cdl
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echo "*** comparing tst_special_atts.cdl with ref_tst_special_atts.cdl..."
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diff -b tst_special_atts.cdl $srcdir/ref_tst_special_atts.cdl
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echo ""
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echo "*** Testing ncdump on file with corrupted header "
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rm -f ./ignore
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if ${NCDUMP} ${srcdir}/test_corrupt_magic.nc > ./ignore 2>&1 ; then
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echo "***Fail: ncdump should have failed on test_corrupt_magic.nc"
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else
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echo "***XFail: ncdump properly failed on test_corrupt_magic.nc"
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fi
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rm -fr ./ignore
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echo "*** All ncgen and ncdump test output for netCDF-4 format passed!"
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exit 0
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