revert blosc2 to v2.8.0 to remove new dependency libdl

src/Makefile

@@ -95,11 +95,7 @@ else
     INCLUDEDIRS+=-Iblosc2/internal-complibs/zstd
     LIBZLIB+=-Lblosc2/internal-complibs/zstd -lzstd
   endif
-  ifeq ($(findstring _NT-,$(PLATFORM)), _NT-)
-    LIBZLIB+=-Lblosc2/lib -lblosc2 -pthread
-  else
-    LIBZLIB+=-Lblosc2/lib -lblosc2 -pthread -ldl
-  endif
+  LIBZLIB+=-Lblosc2/lib -lblosc2 -pthread
   ifeq ($(HAVE_ZLIB),yes)
      LIBZLIB+=-lz
   endif

src/blosc2/LICENSE.txt

@@ -3,7 +3,7 @@ BSD License
 For Blosc - A blocking, shuffling and lossless compression library
 
 Copyright (C) 2009-2018 Francesc Alted <francesc@blosc.org>
-Copyright (C) 2019- The Blosc Development Team <blosc@blosc.org>
+Copyright (C) 2019-present Blosc Development team <blosc@blosc.org>
 
 Redistribution and use in source and binary forms, with or without modification,
 are permitted provided that the following conditions are met:

src/blosc2/blosc/Makefile

@@ -37,7 +37,7 @@ PLATFORM = $(shell uname -s)
 
 DLLFLAG=-fPIC
 
-CPPOPT=-g -Wall -Wextra -O3 -msse2 -DNDEBUG $(DLLFLAG) -std=gnu99 #-g -Wall -std=c99 # -DUSE_OS_TIMER
+CPPOPT=-g -Wall -Wextra -O3 -msse2 -DNDEBUG $(DLLFLAG) -std=gnu99 -Wno-unused-variable #-g -Wall -std=c99 # -DUSE_OS_TIMER
 
 ifeq ($(HAVE_ZLIB),yes)
   CPPOPT+=-DHAVE_ZLIB

src/blosc2/blosc/b2nd.c

@@ -1,23 +1,19 @@
 /*********************************************************************
   Blosc - Blocked Shuffling and Compression Library
 
-  Copyright (c) 2021  The Blosc Development Team <blosc@blosc.org>
+  Copyright (C) 2021  The Blosc Developers <blosc@blosc.org>
   https://blosc.org
   License: BSD 3-Clause (see LICENSE.txt)
 
   See LICENSE.txt for details about copyright and rights to use.
 **********************************************************************/
 
-#include "b2nd.h"
-#include "b2nd_utils.h"
+#include <b2nd.h>
 #include "context.h"
-#include "blosc2/blosc2-common.h"
+#include "b2nd_utils.h"
 #include "blosc2.h"
-
+#include "blosc2/blosc2-common.h"
 #include <inttypes.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
 
 
 int b2nd_serialize_meta(int8_t ndim, const int64_t *shape, const int32_t *chunkshape,
@@ -176,8 +172,8 @@ int update_shape(b2nd_array_t *array, int8_t ndim, const int64_t *shape,
             b2nd_serialize_meta(array->ndim, array->shape, array->chunkshape, array->blockshape,
                                 array->dtype, array->dtype_format, &smeta);
     if (smeta_len < 0) {
-      BLOSC_TRACE_ERROR("Error during serializing dims info for Blosc2 NDim");
-      BLOSC_ERROR(BLOSC2_ERROR_FAILURE);
+      fprintf(stderr, "error during serializing dims info for Blosc2 NDim");
+      return -1;
     }
     // ... and update it in its metalayer
     if (blosc2_meta_exists(array->sc, "b2nd") < 0) {
@@ -269,10 +265,6 @@ int array_new(b2nd_context_t *ctx, int special_value, b2nd_array_t **array) {
     }
   }
 
-  if ((*array)->extchunknitems * sc->typesize > BLOSC2_MAX_BUFFERSIZE){
-    BLOSC_TRACE_ERROR("Chunksize exceeds maximum of %d", BLOSC2_MAX_BUFFERSIZE);
-    return BLOSC2_ERROR_MAX_BUFSIZE_EXCEEDED;
-  }
   // Fill schunk with uninit values
   if ((*array)->nitems != 0) {
     int32_t chunksize = (int32_t) (*array)->extchunknitems * sc->typesize;
@@ -603,7 +595,7 @@ int get_set_slice(void *buffer, int64_t buffersize, const int64_t *start, const
     int64_t nchunk;
     blosc2_multidim_to_unidim(nchunk_ndim, ndim, chunks_in_array_strides, &nchunk);
 
-    // Check if the chunk needs to be updated
+    // check if the chunk needs to be updated
     int64_t chunk_start[B2ND_MAX_DIM] = {0};
     int64_t chunk_stop[B2ND_MAX_DIM] = {0};
     for (int i = 0; i < ndim; ++i) {
@@ -648,7 +640,7 @@ int get_set_slice(void *buffer, int64_t buffersize, const int64_t *start, const
         int64_t nblock_ndim[B2ND_MAX_DIM] = {0};
         blosc2_unidim_to_multidim(ndim, blocks_in_chunk, nblock, nblock_ndim);
 
-        // Check if the block needs to be updated
+        // check if the block needs to be updated
         int64_t block_start[B2ND_MAX_DIM] = {0};
         int64_t block_stop[B2ND_MAX_DIM] = {0};
         for (int i = 0; i < ndim; ++i) {
@@ -692,7 +684,7 @@ int get_set_slice(void *buffer, int64_t buffersize, const int64_t *start, const
       int64_t nblock_ndim[B2ND_MAX_DIM] = {0};
       blosc2_unidim_to_multidim(ndim, blocks_in_chunk, nblock, nblock_ndim);
 
-      // Check if the block needs to be updated
+      // check if the block needs to be updated
       int64_t block_start[B2ND_MAX_DIM] = {0};
       int64_t block_stop[B2ND_MAX_DIM] = {0};
       for (int i = 0; i < ndim; ++i) {
@@ -891,7 +883,7 @@ int b2nd_get_slice(b2nd_context_t *ctx, b2nd_array_t **array, const b2nd_array_t
     int64_t nchunk_ndim[B2ND_MAX_DIM] = {0};
     blosc2_unidim_to_multidim(ndim, chunks_in_array, nchunk, nchunk_ndim);
 
-    // Check if the chunk needs to be updated
+    // check if the chunk needs to be updated
     int64_t chunk_start[B2ND_MAX_DIM] = {0};
     int64_t chunk_stop[B2ND_MAX_DIM] = {0};
     int64_t chunk_shape[B2ND_MAX_DIM] = {0};
@@ -1100,7 +1092,7 @@ int b2nd_print_meta(const b2nd_array_t *array) {
                                     &dtype, &dtype_format));
   free(smeta);
 
-  printf("b2nd metalayer parameters:\n Ndim:       %d", ndim);
+  printf("b2nd metalayer parameters: \n Ndim:       %d", ndim);
   printf("\n shape:      %" PRId64 "", shape[0]);
   for (int i = 1; i < ndim; ++i) {
     printf(", %" PRId64 "", shape[i]);
@@ -1824,20 +1816,6 @@ b2nd_create_ctx(const blosc2_storage *b2_storage, int8_t ndim, const int64_t *sh
     ctx->metalayers[i] = metalayers[i];
   }
 
-#if defined(HAVE_PLUGINS)
-  #include "blosc2/codecs-registry.h"
-  if ((ctx->b2_storage->cparams->compcode >= BLOSC_CODEC_ZFP_FIXED_ACCURACY) &&
-      (ctx->b2_storage->cparams->compcode <= BLOSC_CODEC_ZFP_FIXED_RATE)) {
-    for (int i = 0; i < BLOSC2_MAX_FILTERS; ++i) {
-      if ((ctx->b2_storage->cparams->filters[i] == BLOSC_SHUFFLE) ||
-          (ctx->b2_storage->cparams->filters[i] == BLOSC_BITSHUFFLE)) {
-        BLOSC_TRACE_ERROR("ZFP cannot be run in presence of SHUFFLE / BITSHUFFLE");
-        return NULL;
-      }
-    }
-  }
-#endif /* HAVE_PLUGINS */
-
   return ctx;
 }
 

src/blosc2/blosc/b2nd_utils.c

@@ -1,18 +1,14 @@
 /*********************************************************************
   Blosc - Blocked Shuffling and Compression Library
 
-  Copyright (c) 2021  The Blosc Development Team <blosc@blosc.org>
+  Copyright (C) 2021  The Blosc Developers <blosc@blosc.org>
   https://blosc.org
   License: BSD 3-Clause (see LICENSE.txt)
 
   See LICENSE.txt for details about copyright and rights to use.
 **********************************************************************/
 
-#include "b2nd_utils.h"
-#include "b2nd.h"
-
-#include <stdint.h>
-#include <string.h>
+#include <b2nd_utils.h>
 
 // copyNdim where N = {2-8} - specializations of copy loops to be used by b2nd_copy_buffer
 // since we don't have c++ templates, substitute manual specializations for up to known B2ND_MAX_DIM (8)

src/blosc2/blosc/b2nd_utils.h

@@ -1,17 +1,23 @@
 /*********************************************************************
   Blosc - Blocked Shuffling and Compression Library
 
-  Copyright (c) 2021  The Blosc Development Team <blosc@blosc.org>
+  Copyright (C) 2021  The Blosc Developers <blosc@blosc.org>
   https://blosc.org
   License: BSD 3-Clause (see LICENSE.txt)
 
   See LICENSE.txt for details about copyright and rights to use.
 **********************************************************************/
 
-#ifndef BLOSC_B2ND_UTILS_H
-#define BLOSC_B2ND_UTILS_H
+#ifndef B2ND_B2ND_UTILS_H_
+#define B2ND_B2ND_UTILS_H_
+
+#include <b2nd.h>
+#include <../plugins/plugin_utils.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-#include <stdint.h>
 
 int b2nd_copy_buffer(int8_t ndim,
                      uint8_t itemsize,
@@ -20,4 +26,8 @@ int b2nd_copy_buffer(int8_t ndim,
                      void *dst, const int64_t *dst_pad_shape,
                      int64_t *dst_start);
 
-#endif /* BLOSC_B2ND_UTILS_H */
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // B2ND_B2ND_UTILS_H_

src/blosc2/blosc/bitshuffle-altivec.c

@@ -1,7 +1,7 @@
 /*********************************************************************
   Blosc - Blocked Shuffling and Compression Library
 
-  Copyright (c) 2021  The Blosc Development Team <blosc@blosc.org>
+  Copyright (C) 2021  The Blosc Developers <blosc@blosc.org>
   https://blosc.org
   License: BSD 3-Clause (see LICENSE.txt)
 
@@ -22,17 +22,14 @@
 **********************************************************************/
 
 
-#include "bitshuffle-altivec.h"
 #include "bitshuffle-generic.h"
+#include "bitshuffle-altivec.h"
 
 /* Make sure ALTIVEC is available for the compilation target and compiler. */
 #if defined(__ALTIVEC__)
 
-#include "transpose-altivec.h"
-
 #include <altivec.h>
-
-#include <stdint.h>
+#include "transpose-altivec.h"
 
 /* The next is useful for debugging purposes */
 #if 0

src/blosc2/blosc/bitshuffle-altivec.h

@@ -1,7 +1,7 @@
 /*********************************************************************
   Blosc - Blocked Shuffling and Compression Library
 
-  Copyright (c) 2021  The Blosc Development Team <blosc@blosc.org>
+  Copyright (C) 2021  The Blosc Developers <blosc@blosc.org>
   https://blosc.org
   License: BSD 3-Clause (see LICENSE.txt)
 
@@ -10,13 +10,15 @@
 
 /* ALTIVEC-accelerated shuffle/unshuffle routines. */
 
-#ifndef BLOSC_BITSHUFFLE_ALTIVEC_H
-#define BLOSC_BITSHUFFLE_ALTIVEC_H
+#ifndef BITSHUFFLE_ALTIVEC_H
+#define BITSHUFFLE_ALTIVEC_H
 
 #include "blosc2/blosc2-common.h"
 
-#include <stddef.h>
-#include <stdint.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 
 BLOSC_NO_EXPORT int64_t
     bshuf_trans_byte_elem_altivec(void* in, void* out, const size_t size,
@@ -44,4 +46,9 @@ BLOSC_NO_EXPORT int64_t
     bshuf_untrans_bit_elem_altivec(void* in, void* out, const size_t size,
                                 const size_t elem_size, void* tmp_buf);
 
-#endif /* BLOSC_BITSHUFFLE_ALTIVEC_H */
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* BITSHUFFLE_ALTIVEC_H */

src/blosc2/blosc/bitshuffle-avx2.c

@@ -1,7 +1,7 @@
 /*********************************************************************
   Blosc - Blocked Shuffling and Compression Library
 
-  Copyright (c) 2021  The Blosc Development Team <blosc@blosc.org>
+  Copyright (C) 2021  The Blosc Developers <blosc@blosc.org>
   https://blosc.org
   License: BSD 3-Clause (see LICENSE.txt)
 
@@ -20,17 +20,17 @@
   rights to use.
 **********************************************************************/
 
-#include "bitshuffle-avx2.h"
-#include "bitshuffle-sse2.h"
+
 #include "bitshuffle-generic.h"
+#include "bitshuffle-sse2.h"
+#include "bitshuffle-avx2.h"
+
 
 /* Make sure AVX2 is available for the compilation target and compiler. */
 #if defined(__AVX2__)
 
 #include <immintrin.h>
 
-#include <stdint.h>
-
 /* The next is useful for debugging purposes */
 #if 0
 #include <stdio.h>

src/blosc2/blosc/bitshuffle-avx2.h

@@ -1,7 +1,7 @@
 /*********************************************************************
   Blosc - Blocked Shuffling and Compression Library
 
-  Copyright (c) 2021  The Blosc Development Team <blosc@blosc.org>
+  Copyright (C) 2021  The Blosc Developers <blosc@blosc.org>
   https://blosc.org
   License: BSD 3-Clause (see LICENSE.txt)
 
@@ -10,13 +10,14 @@
 
 /* AVX2-accelerated shuffle/unshuffle routines. */
 
-#ifndef BLOSC_BITSHUFFLE_AVX2_H
-#define BLOSC_BITSHUFFLE_AVX2_H
+#ifndef BITSHUFFLE_AVX2_H
+#define BITSHUFFLE_AVX2_H
 
-#include "blosc2/blosc2-common.h"
+#include <blosc2/blosc2-common.h>
 
-#include <stddef.h>
-#include <stdint.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 /**
   AVX2-accelerated bitshuffle routine.
@@ -32,4 +33,8 @@ BLOSC_NO_EXPORT int64_t
     bshuf_untrans_bit_elem_avx2(void* in, void* out, const size_t size,
                                 const size_t elem_size, void* tmp_buf);
 
-#endif /* BLOSC_BITSHUFFLE_AVX2_H */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BITSHUFFLE_AVX2_H */

src/blosc2/blosc/bitshuffle-generic.c

@@ -1,7 +1,7 @@
 /*********************************************************************
   Blosc - Blocked Shuffling and Compression Library
 
-  Copyright (c) 2021  The Blosc Development Team <blosc@blosc.org>
+  Copyright (C) 2021  The Blosc Developers <blosc@blosc.org>
   https://blosc.org
   License: BSD 3-Clause (see LICENSE.txt)
 
@@ -10,8 +10,6 @@
 
 #include "bitshuffle-generic.h"
 
-#include <stdint.h>
-
 #ifdef _MSC_VER
 #pragma warning (push)
 #pragma warning (disable: 4146)