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| author | Robert E. McGrath <mcgrath@ncsa.uiuc.edu> | 2004-11-02 19:12:06 (GMT) |
|---|---|---|
| committer | Robert E. McGrath <mcgrath@ncsa.uiuc.edu> | 2004-11-02 19:12:06 (GMT) |
| commit | 3f0abcc71f1803b59d8ca64b9ec642235fdfc1c9 (patch) | |
| tree | cdad2edff464edf39f132edc8082615f1ca51738 /test/h5test.c | |
| parent | f7c4277bbbbe531ba37b36bb6b2e1b3f2966efea (diff) | |
| download | hdf5-3f0abcc71f1803b59d8ca64b9ec642235fdfc1c9.zip hdf5-3f0abcc71f1803b59d8ca64b9ec642235fdfc1c9.tar.gz hdf5-3f0abcc71f1803b59d8ca64b9ec642235fdfc1c9.tar.bz2 | |
[svn-r9494] Purpose:
Fix SZIP filter to dynmically detect encoder.
Description:
Solution:
See:
http://hdf.ncsa.uiuc.edu/RFC/SZIP/Szip_dynamic_12_Oct.pdf
Changes to library tests, contingent on detecting SZIP encoder.
Diffstat (limited to 'test/h5test.c')
| -rw-r--r-- | test/h5test.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/test/h5test.c b/test/h5test.c index 042c763..5344fe2 100644 --- a/test/h5test.c +++ b/test/h5test.c @@ -799,3 +799,50 @@ print_func(const char *format, ...) return ret_value; } +#ifdef H5_HAVE_FILTER_SZIP + + +/*------------------------------------------------------------------------- + * Function: h5_szip_can_encode + * + * Purpose: Retrieve the filter config flags for szip, tell if + * encoder is available. + * + * Return: 1: decode+encode is enabled + * 0: only decode is enabled + * -1: other + * + * Programmer: + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +int h5_szip_can_encode(void ) +{ + + herr_t status; + unsigned int filter_config_flags; + + status =H5Zget_filter_info(H5Z_FILTER_SZIP, &filter_config_flags); + if ((filter_config_flags & + (H5Z_FILTER_CONFIG_ENCODE_ENABLED|H5Z_FILTER_CONFIG_DECODE_ENABLED)) == 0) { + /* filter present but neither encode nor decode is supported (???) */ + return -1; + } else if ((filter_config_flags & + (H5Z_FILTER_CONFIG_ENCODE_ENABLED|H5Z_FILTER_CONFIG_DECODE_ENABLED)) == + H5Z_FILTER_CONFIG_DECODE_ENABLED) { + /* decoder only: read but not write */ + return 0; + } else if ((filter_config_flags & + (H5Z_FILTER_CONFIG_ENCODE_ENABLED|H5Z_FILTER_CONFIG_DECODE_ENABLED)) == + H5Z_FILTER_CONFIG_ENCODE_ENABLED) { + /* encoder only: write but not read (???) */ + return -1; + } else if ((filter_config_flags & + (H5Z_FILTER_CONFIG_ENCODE_ENABLED|H5Z_FILTER_CONFIG_DECODE_ENABLED)) == + (H5Z_FILTER_CONFIG_ENCODE_ENABLED|H5Z_FILTER_CONFIG_DECODE_ENABLED)) { + return 1; + } +} +#endif /* H5_HAVE_FILTER_SZIP */ |