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-rw-r--r--tools/lib/h5tools_filters.c289
1 files changed, 145 insertions, 144 deletions
diff --git a/tools/lib/h5tools_filters.c b/tools/lib/h5tools_filters.c
index 2da21ef..3664a29 100644
--- a/tools/lib/h5tools_filters.c
+++ b/tools/lib/h5tools_filters.c
@@ -20,10 +20,10 @@
* print a warning message
*-------------------------------------------------------------------------
*/
-static void print_warning(const char *dname, const char *fname)
-{
- fprintf(stderr,"warning: dataset <%s> cannot be read, %s filter is not available\n",
- dname,fname);
+static void print_warning(const char *dname, const char *fname) {
+ fprintf(stderr,
+ "warning: dataset <%s> cannot be read, %s filter is not available\n",
+ dname, fname);
}
/*-------------------------------------------------------------------------
@@ -46,109 +46,111 @@ int h5tools_canreadf(const char* name, /* object name, serves also as boolean pr
hid_t dcpl_id) /* dataset creation property list */
{
- int nfilters; /* number of filters */
- H5Z_filter_t filtn; /* filter identification number */
- int i; /* index */
-
-
- /* get information about filters */
- if ((nfilters = H5Pget_nfilters(dcpl_id))<0)
- return -1;
-
- /* if we do not have filters, we can read the dataset safely */
- if (!nfilters)
- return 1;
-
- /* check availability of filters */
- for(i = 0; i < nfilters; i++)
- {
- if((filtn = H5Pget_filter2(dcpl_id, (unsigned)i, 0, 0, 0, (size_t)0, 0, NULL)) < 0)
- return -1;
-
- switch(filtn)
- {
-/*-------------------------------------------------------------------------
- * user defined filter
- *-------------------------------------------------------------------------
- */
- default:
- if(name)
- print_warning(name, "user defined");
- return 0;
-
-/*-------------------------------------------------------------------------
- * H5Z_FILTER_DEFLATE 1 , deflation like gzip
- *-------------------------------------------------------------------------
- */
- case H5Z_FILTER_DEFLATE:
+ int nfilters; /* number of filters */
+ H5Z_filter_t filtn; /* filter identification number */
+ int i; /* index */
+ int udfilter_avail; /* index */
+
+ /* get information about filters */
+ if ((nfilters = H5Pget_nfilters(dcpl_id)) < 0)
+ return -1;
+
+ /* if we do not have filters, we can read the dataset safely */
+ if (!nfilters)
+ return 1;
+
+ /* check availability of filters */
+ for (i = 0; i < nfilters; i++) {
+ if ((filtn = H5Pget_filter2(dcpl_id, (unsigned) i, 0, 0, 0, (size_t) 0, 0, NULL)) < 0)
+ return -1;
+
+ switch (filtn) {
+ /*-------------------------------------------------------------------------
+ * user defined filter
+ *-------------------------------------------------------------------------
+ */
+ default:
+ if ((udfilter_avail = H5Zfilter_avail(filtn)) < 0)
+ return -1;
+ else if (udfilter_avail == 0) {
+ if (name)
+ print_warning(name, "user defined");
+ return 0;
+ }
+ break;
+
+ /*-------------------------------------------------------------------------
+ * H5Z_FILTER_DEFLATE 1 , deflation like gzip
+ *-------------------------------------------------------------------------
+ */
+ case H5Z_FILTER_DEFLATE:
#ifndef H5_HAVE_FILTER_DEFLATE
- if (name)
- print_warning(name,"deflate");
- return 0;
+ if (name)
+ print_warning(name,"deflate");
+ return 0;
#endif
- break;
-/*-------------------------------------------------------------------------
- * H5Z_FILTER_SZIP 4 , szip compression
- *-------------------------------------------------------------------------
- */
- case H5Z_FILTER_SZIP:
+ break;
+ /*-------------------------------------------------------------------------
+ * H5Z_FILTER_SZIP 4 , szip compression
+ *-------------------------------------------------------------------------
+ */
+ case H5Z_FILTER_SZIP:
#ifndef H5_HAVE_FILTER_SZIP
- if (name)
- print_warning(name,"SZIP");
- return 0;
+ if (name)
+ print_warning(name,"SZIP");
+ return 0;
#endif
- break;
-/*-------------------------------------------------------------------------
- * H5Z_FILTER_SHUFFLE 2 , shuffle the data
- *-------------------------------------------------------------------------
- */
- case H5Z_FILTER_SHUFFLE:
+ break;
+ /*-------------------------------------------------------------------------
+ * H5Z_FILTER_SHUFFLE 2 , shuffle the data
+ *-------------------------------------------------------------------------
+ */
+ case H5Z_FILTER_SHUFFLE:
#ifndef H5_HAVE_FILTER_SHUFFLE
- if (name)
- print_warning(name,"shuffle");
- return 0;
+ if (name)
+ print_warning(name,"shuffle");
+ return 0;
#endif
- break;
-/*-------------------------------------------------------------------------
- * H5Z_FILTER_FLETCHER32 3 , fletcher32 checksum of EDC
- *-------------------------------------------------------------------------
- */
- case H5Z_FILTER_FLETCHER32:
+ break;
+ /*-------------------------------------------------------------------------
+ * H5Z_FILTER_FLETCHER32 3 , fletcher32 checksum of EDC
+ *-------------------------------------------------------------------------
+ */
+ case H5Z_FILTER_FLETCHER32:
#ifndef H5_HAVE_FILTER_FLETCHER32
- if (name)
- print_warning(name,"fletcher32");
- return 0;
+ if (name)
+ print_warning(name,"fletcher32");
+ return 0;
#endif
- break;
-/*-------------------------------------------------------------------------
- * H5Z_FILTER_NBIT
- *-------------------------------------------------------------------------
- */
- case H5Z_FILTER_NBIT:
+ break;
+ /*-------------------------------------------------------------------------
+ * H5Z_FILTER_NBIT
+ *-------------------------------------------------------------------------
+ */
+ case H5Z_FILTER_NBIT:
#ifndef H5_HAVE_FILTER_NBIT
- if (name)
- print_warning(name,"nbit");
- return 0;
+ if (name)
+ print_warning(name,"nbit");
+ return 0;
#endif
- break;
-/*-------------------------------------------------------------------------
- * H5Z_FILTER_SCALEOFFSET
- *-------------------------------------------------------------------------
- */
- case H5Z_FILTER_SCALEOFFSET:
+ break;
+ /*-------------------------------------------------------------------------
+ * H5Z_FILTER_SCALEOFFSET
+ *-------------------------------------------------------------------------
+ */
+ case H5Z_FILTER_SCALEOFFSET:
#ifndef H5_HAVE_FILTER_SCALEOFFSET
- if (name)
- print_warning(name,"scaleoffset");
- return 0;
+ if (name)
+ print_warning(name,"scaleoffset");
+ return 0;
#endif
- break;
- }/*switch*/
- }/*for*/
+ break;
+ }/*switch*/
+ }/*for*/
- return 1;
+ return 1;
}
-
/*-------------------------------------------------------------------------
* Function: h5tools_canwritef
*
@@ -164,71 +166,70 @@ int h5tools_canreadf(const char* name, /* object name, serves also as boolean pr
*
*-------------------------------------------------------------------------
*/
-int h5tools_can_encode( H5Z_filter_t filtn)
-{
- switch (filtn)
- {
- /* user defined filter */
- default:
- return 0;
+int h5tools_can_encode(H5Z_filter_t filtn) {
+ switch (filtn) {
+ /* user defined filter */
+ default:
+ return 0;
- case H5Z_FILTER_DEFLATE:
+ case H5Z_FILTER_DEFLATE:
#ifndef H5_HAVE_FILTER_DEFLATE
- return 0;
+ return 0;
#endif
- break;
- case H5Z_FILTER_SZIP:
+ break;
+ case H5Z_FILTER_SZIP:
#ifndef H5_HAVE_FILTER_SZIP
- return 0;
+ return 0;
#else
- {
- unsigned int filter_config_flags;
-
- if(H5Zget_filter_info(filtn, &filter_config_flags)<0)
- return -1;
- 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;
- }
- }
+ {
+ unsigned int filter_config_flags;
+
+ if (H5Zget_filter_info(filtn, &filter_config_flags) < 0)
+ return -1;
+ 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
- break;
- case H5Z_FILTER_SHUFFLE:
+ break;
+ case H5Z_FILTER_SHUFFLE:
#ifndef H5_HAVE_FILTER_SHUFFLE
- return 0;
+ return 0;
#endif
- break;
- case H5Z_FILTER_FLETCHER32:
+ break;
+ case H5Z_FILTER_FLETCHER32:
#ifndef H5_HAVE_FILTER_FLETCHER32
- return 0;
+ return 0;
#endif
- break;
- case H5Z_FILTER_NBIT:
+ break;
+ case H5Z_FILTER_NBIT:
#ifndef H5_HAVE_FILTER_NBIT
- return 0;
+ return 0;
#endif
- break;
- case H5Z_FILTER_SCALEOFFSET:
+ break;
+ case H5Z_FILTER_SCALEOFFSET:
#ifndef H5_HAVE_FILTER_SCALEOFFSET
- return 0;
+ return 0;
#endif
- break;
- }/*switch*/
+ break;
+ }/*switch*/
- return 1;
+ return 1;
}
generated by cgit v0.12 at 2024-11-16 19:05:02 (GMT)