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-rw-r--r--src/H5Z.c130
1 files changed, 0 insertions, 130 deletions
diff --git a/src/H5Z.c b/src/H5Z.c
index f5cd902..990ec2a 100644
--- a/src/H5Z.c
+++ b/src/H5Z.c
@@ -13,10 +13,6 @@
#include <H5Oprivate.h>
#include <H5Zprivate.h>
-#ifdef HAVE_ZLIB_H
-# include <zlib.h>
-#endif
-
/* Interface initialization */
#define PABLO_MASK H5Z_mask
#define INTERFACE_INIT H5Z_init_interface
@@ -27,10 +23,6 @@ static size_t H5Z_table_alloc_g = 0;
static size_t H5Z_table_used_g = 0;
static H5Z_class_t *H5Z_table_g = NULL;
-/* Predefined filters */
-static size_t H5Z_filter_deflate(uintn flags, size_t cd_nelmts,
- const uintn cd_values[], size_t nbytes,
- size_t *buf_size, void **buf);
/*-------------------------------------------------------------------------
@@ -479,125 +471,3 @@ H5Z_pipeline(H5F_t UNUSED *f, const H5O_pline_t *pline, uintn flags,
FUNC_LEAVE(SUCCEED);
}
-
-/*-------------------------------------------------------------------------
- * Function: H5Z_filter_deflate
- *
- * Purpose:
- *
- * Return: Success:
- *
- * Failure:
- *
- * Programmer: Robb Matzke
- * Thursday, April 16, 1998
- *
- * Modifications:
- *
- *-------------------------------------------------------------------------
- */
-static size_t
-H5Z_filter_deflate (uintn flags, size_t cd_nelmts, const uintn cd_values[],
- size_t nbytes, size_t *buf_size, void **buf)
-{
- size_t ret_value = 0;
- void *outbuf = NULL;
-#if defined(HAVE_COMPRESS2)
- int aggression = 6;
- int status;
-#endif
-
- FUNC_ENTER (H5Z_filter_deflate, 0);
-
- /* Check arguments */
- if (cd_nelmts!=1 || cd_values[0]>9) {
- HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, 0,
- "invalid deflate aggression level");
- }
-
-#if defined(HAVE_COMPRESS2)
- aggression = cd_values[0];
- if (flags & H5Z_FLAG_REVERSE) {
- /* Input; uncompress */
- z_stream z_strm;
- size_t nalloc = *buf_size;
-
- if (NULL==(outbuf = H5MM_malloc(nalloc))) {
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, 0,
- "memory allocation failed for deflate uncompression");
- }
- HDmemset(&z_strm, 0, sizeof(z_strm));
- z_strm.next_in = *buf;
- z_strm.avail_in = nbytes;
- z_strm.next_out = outbuf;
- z_strm.avail_out = nalloc;
- if (Z_OK!=inflateInit(&z_strm)) {
- HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, 0, "inflateInit() failed");
- }
- while (1) {
- status = inflate(&z_strm, Z_SYNC_FLUSH);
- if (Z_STREAM_END==status) break; /*done*/
- if (Z_OK!=status) {
- inflateEnd(&z_strm);
- HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, 0, "inflate() failed");
- }
- if (Z_OK==status && 0==z_strm.avail_out) {
- nalloc *= 2;
- if (NULL==(outbuf = H5MM_realloc(outbuf, nalloc))) {
- inflateEnd(&z_strm);
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, 0,
- "memory allocation failed for deflate "
- "uncompression");
- }
- z_strm.next_out = (char*)outbuf + z_strm.total_out;
- z_strm.avail_out = nalloc - z_strm.total_out;
- }
- }
-
- H5MM_xfree(*buf);
- *buf = outbuf;
- outbuf = NULL;
- *buf_size = nalloc;
- ret_value = z_strm.total_out;
- inflateEnd(&z_strm);
-
- } else {
- /*
- * Output; compress but fail if the result would be larger than the
- * input. The library doesn't provide in-place compression, so we
- * must allocate a separate buffer for the result.
- */
- const Bytef *z_src = (const Bytef*)(*buf);
- Bytef *z_dst; /*destination buffer */
- uLongf z_dst_nbytes = (uLongf)nbytes;
- uLong z_src_nbytes = (uLong)nbytes;
-
- if (NULL==(z_dst=outbuf=H5MM_malloc(nbytes))) {
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, 0,
- "unable to allocate deflate destination buffer");
- }
- status = compress2 (z_dst, &z_dst_nbytes, z_src, z_src_nbytes,
- aggression);
- if (Z_BUF_ERROR==status) {
- HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, 0, "overflow");
- } else if (Z_MEM_ERROR==status) {
- HGOTO_ERROR (H5E_PLINE, H5E_CANTINIT, 0, "deflate memory error");
- } else if (Z_OK!=status) {
- HGOTO_ERROR (H5E_PLINE, H5E_CANTINIT, 0, "deflate error");
- } else {
- H5MM_xfree(*buf);
- *buf = outbuf;
- outbuf = NULL;
- *buf_size = nbytes;
- ret_value = z_dst_nbytes;
- }
- }
-#else
- HGOTO_ERROR (H5E_PLINE, H5E_UNSUPPORTED, 0,
- "hdf5 was not compiled with zlib-1.0.2 or better");
-#endif
-
- done:
- H5MM_xfree(outbuf);
- FUNC_LEAVE (ret_value);
-}