/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * Copyright by the Board of Trustees of the University of Illinois. * * All rights reserved. * * * * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * * the COPYING file, which can be found at the root of the source code * * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. * * If you do not have access to either file, you may request a copy from * * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* Programmer: Robb Matzke * Wednesday, September 30, 1998 * * Purpose: The fill message indicates a bit pattern to use for * uninitialized data points of a dataset. */ #define H5O_PACKAGE /*suppress error about including H5Opkg */ #include "H5private.h" /* Generic Functions */ #include "H5Dprivate.h" /* Datasets */ #include "H5Eprivate.h" /* Error handling */ #include "H5FLprivate.h" /* Free Lists */ #include "H5Iprivate.h" /* IDs */ #include "H5MMprivate.h" /* Memory management */ #include "H5Opkg.h" /* Object headers */ #include "H5Pprivate.h" /* Property lists */ #include "H5Sprivate.h" /* Dataspaces */ static void *H5O_fill_old_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p); static herr_t H5O_fill_old_encode(H5F_t *f, uint8_t *p, const void *_mesg); static size_t H5O_fill_old_size(const H5F_t *f, const void *_mesg); static void *H5O_fill_new_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned mesg_flags, unsigned *ioflags, size_t p_size, const uint8_t *p); static herr_t H5O_fill_new_encode(H5F_t *f, uint8_t *p, const void *_mesg); static size_t H5O_fill_new_size(const H5F_t *f, const void *_mesg); static void *H5O_fill_copy(const void *_mesg, void *_dest); static herr_t H5O_fill_reset(void *_mesg); static herr_t H5O_fill_free(void *_mesg); static herr_t H5O_fill_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg, FILE *stream, int indent, int fwidth); /* Set up & include shared message "interface" info */ #define H5O_SHARED_TYPE H5O_MSG_FILL #define H5O_SHARED_DECODE H5O_fill_shared_decode #define H5O_SHARED_DECODE_REAL H5O_fill_old_decode #define H5O_SHARED_ENCODE H5O_fill_shared_encode #define H5O_SHARED_ENCODE_REAL H5O_fill_old_encode #define H5O_SHARED_SIZE H5O_fill_shared_size #define H5O_SHARED_SIZE_REAL H5O_fill_old_size #define H5O_SHARED_DELETE H5O_fill_shared_delete #undef H5O_SHARED_DELETE_REAL #define H5O_SHARED_LINK H5O_fill_shared_link #undef H5O_SHARED_LINK_REAL #define H5O_SHARED_COPY_FILE H5O_fill_shared_copy_file #undef H5O_SHARED_COPY_FILE_REAL #define H5O_SHARED_POST_COPY_FILE H5O_fill_shared_post_copy_file #undef H5O_SHARED_POST_COPY_FILE_REAL #undef H5O_SHARED_POST_COPY_FILE_UPD #define H5O_SHARED_DEBUG H5O_fill_shared_debug #define H5O_SHARED_DEBUG_REAL H5O_fill_debug #include "H5Oshared.h" /* Shared Object Header Message Callbacks */ /* Set up & include shared message "interface" info */ /* (Kludgy 'undef's in order to re-include the H5Oshared.h header) */ #undef H5O_SHARED_TYPE #define H5O_SHARED_TYPE H5O_MSG_FILL_NEW #undef H5O_SHARED_DECODE #define H5O_SHARED_DECODE H5O_fill_new_shared_decode #undef H5O_SHARED_DECODE_REAL #define H5O_SHARED_DECODE_REAL H5O_fill_new_decode #undef H5O_SHARED_ENCODE #define H5O_SHARED_ENCODE H5O_fill_new_shared_encode #undef H5O_SHARED_ENCODE_REAL #define H5O_SHARED_ENCODE_REAL H5O_fill_new_encode #undef H5O_SHARED_SIZE #define H5O_SHARED_SIZE H5O_fill_new_shared_size #undef H5O_SHARED_SIZE_REAL #define H5O_SHARED_SIZE_REAL H5O_fill_new_size #undef H5O_SHARED_DELETE #define H5O_SHARED_DELETE H5O_fill_new_shared_delete #undef H5O_SHARED_DELETE_REAL #undef H5O_SHARED_LINK #define H5O_SHARED_LINK H5O_fill_new_shared_link #undef H5O_SHARED_LINK_REAL #undef H5O_SHARED_COPY_FILE #define H5O_SHARED_COPY_FILE H5O_fill_new_shared_copy_file #undef H5O_SHARED_COPY_FILE_REAL #undef H5O_SHARED_POST_COPY_FILE #define H5O_SHARED_POST_COPY_FILE H5O_fill_new_shared_post_copy_file #undef H5O_SHARED_POST_COPY_FILE_REAL #undef H5O_SHARED_POST_COPY_FILE_UPD #undef H5O_SHARED_DEBUG #define H5O_SHARED_DEBUG H5O_fill_new_shared_debug #undef H5O_SHARED_DEBUG_REAL #define H5O_SHARED_DEBUG_REAL H5O_fill_debug #undef H5Oshared_H #include "H5Oshared.h" /* Shared Object Header Message Callbacks */ /* This message derives from H5O message class, for old fill value before version 1.5 */ const H5O_msg_class_t H5O_MSG_FILL[1] = {{ H5O_FILL_ID, /*message id number */ "fill", /*message name for debugging */ sizeof(H5O_fill_t), /*native message size */ H5O_SHARE_IS_SHARABLE|H5O_SHARE_IN_OHDR, /* messages are sharable? */ H5O_fill_shared_decode, /*decode message */ H5O_fill_shared_encode, /*encode message */ H5O_fill_copy, /*copy the native value */ H5O_fill_shared_size, /*raw message size */ H5O_fill_reset, /*free internal memory */ H5O_fill_free, /* free method */ H5O_fill_shared_delete, /* file delete method */ H5O_fill_shared_link, /* link method */ NULL, /* set share method */ NULL, /*can share method */ NULL, /* pre copy native value to file */ H5O_fill_shared_copy_file, /* copy native value to file */ H5O_fill_shared_post_copy_file, /* post copy native value to file */ NULL, /* get creation index */ NULL, /* set creation index */ H5O_fill_shared_debug /*debug the message */ }}; /* This message derives from H5O message class, for new fill value after version 1.4 */ const H5O_msg_class_t H5O_MSG_FILL_NEW[1] = {{ H5O_FILL_NEW_ID, /*message id number */ "fill_new", /*message name for debugging */ sizeof(H5O_fill_t), /*native message size */ H5O_SHARE_IS_SHARABLE|H5O_SHARE_IN_OHDR, /* messages are sharable? */ H5O_fill_new_shared_decode, /*decode message */ H5O_fill_new_shared_encode, /*encode message */ H5O_fill_copy, /*copy the native value */ H5O_fill_new_shared_size, /*raw message size */ H5O_fill_reset, /*free internal memory */ H5O_fill_free, /* free method */ H5O_fill_new_shared_delete, /* file delete method */ H5O_fill_new_shared_link, /* link method */ NULL, /* set share method */ NULL, /*can share method */ NULL, /* pre copy native value to file */ H5O_fill_new_shared_copy_file, /* copy native value to file */ H5O_fill_new_shared_post_copy_file, /* post copy native value to file */ NULL, /* get creation index */ NULL, /* set creation index */ H5O_fill_new_shared_debug /*debug the message */ }}; /* Masks, shift values & flags for fill value message */ #define H5O_FILL_MASK_ALLOC_TIME 0x03 #define H5O_FILL_SHIFT_ALLOC_TIME 0 #define H5O_FILL_MASK_FILL_TIME 0x03 #define H5O_FILL_SHIFT_FILL_TIME 2 #define H5O_FILL_FLAG_UNDEFINED_VALUE 0x10 #define H5O_FILL_FLAG_HAVE_VALUE 0x20 #define H5O_FILL_FLAGS_ALL (H5O_FILL_MASK_ALLOC_TIME | (H5O_FILL_MASK_FILL_TIME << H5O_FILL_SHIFT_FILL_TIME) | H5O_FILL_FLAG_UNDEFINED_VALUE | H5O_FILL_FLAG_HAVE_VALUE) /* Declare a free list to manage the H5O_fill_t struct */ H5FL_DEFINE(H5O_fill_t); /* Declare extern the free list to manage blocks of type conversion data */ H5FL_BLK_EXTERN(type_conv); /*------------------------------------------------------------------------- * Function: H5O_fill_new_decode * * Purpose: Decode a new fill value message. The new fill value * message is fill value plus space allocation time and * fill value writing time and whether fill value is defined. * * Return: Success: Ptr to new message in native struct. * Failure: NULL * * Programmer: Raymond Lu * Feb 26, 2002 * *------------------------------------------------------------------------- */ static void * H5O_fill_new_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh, unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, size_t H5_ATTR_UNUSED p_size, const uint8_t *p) { H5O_fill_t *fill = NULL; void *ret_value; FUNC_ENTER_NOAPI_NOINIT HDassert(f); HDassert(p); if(NULL == (fill = H5FL_CALLOC(H5O_fill_t))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for fill value message") /* Version */ fill->version = *p++; if(fill->version < H5O_FILL_VERSION_1 || fill->version > H5O_FILL_VERSION_LATEST) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "bad version number for fill value message") /* Decode each version */ if(fill->version < H5O_FILL_VERSION_3) { /* Space allocation time */ fill->alloc_time = (H5D_alloc_time_t)*p++; /* Fill value write time */ fill->fill_time = (H5D_fill_time_t)*p++; /* Whether fill value is defined */ fill->fill_defined = *p++; /* Only decode fill value information if one is defined */ if(fill->fill_defined) { INT32DECODE(p, fill->size); if(fill->size > 0) { H5_CHECK_OVERFLOW(fill->size, ssize_t, size_t); if(NULL == (fill->buf = H5MM_malloc((size_t)fill->size))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for fill value") HDmemcpy(fill->buf, p, (size_t)fill->size); } /* end if */ } /* end if */ else fill->size = (-1); } /* end if */ else { unsigned flags; /* Status flags */ /* Flags */ flags = *p++; /* Check for unknown flags */ if(flags & (unsigned)~H5O_FILL_FLAGS_ALL) HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "unknown flag for fill value message") /* Space allocation time */ fill->alloc_time = (H5D_alloc_time_t)((flags >> H5O_FILL_SHIFT_ALLOC_TIME) & H5O_FILL_MASK_ALLOC_TIME); /* Fill value write time */ fill->fill_time = (H5D_fill_time_t)((flags >> H5O_FILL_SHIFT_FILL_TIME) & H5O_FILL_MASK_FILL_TIME); /* Check for undefined fill value */ if(flags & H5O_FILL_FLAG_UNDEFINED_VALUE) { /* Sanity check */ HDassert(!(flags & H5O_FILL_FLAG_HAVE_VALUE)); /* Set value for "undefined" fill value */ fill->size = (-1); } /* end if */ else if(flags & H5O_FILL_FLAG_HAVE_VALUE) { /* Fill value size */ UINT32DECODE(p, fill->size); /* Fill value */ H5_CHECK_OVERFLOW(fill->size, ssize_t, size_t); if(NULL == (fill->buf = H5MM_malloc((size_t)fill->size))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for fill value") HDmemcpy(fill->buf, p, (size_t)fill->size); /* Set the "defined" flag */ fill->fill_defined = TRUE; } /* end else */ else { /* Set the "defined" flag */ fill->fill_defined = TRUE; } /* end else */ } /* end else */ /* Set return value */ ret_value = (void *)fill; done: if(!ret_value && fill) { if(fill->buf) H5MM_xfree(fill->buf); fill = H5FL_FREE(H5O_fill_t, fill); } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_fill_new_decode() */ /*------------------------------------------------------------------------- * Function: H5O_fill_old_decode * * Purpose: Decode an old fill value message. * * Return: Success: Ptr to new message in native struct. * Failure: NULL * * Programmer: Robb Matzke * Wednesday, September 30, 1998 * *------------------------------------------------------------------------- */ static void * H5O_fill_old_decode(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh, unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, size_t H5_ATTR_UNUSED p_size, const uint8_t *p) { H5O_fill_t *fill = NULL; /* Decoded fill value message */ void *ret_value; /* Return value */ FUNC_ENTER_NOAPI_NOINIT HDassert(f); HDassert(p); if(NULL == (fill = H5FL_CALLOC(H5O_fill_t))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for fill value message") /* Set non-zero default fields */ fill->version = H5O_FILL_VERSION_2; fill->alloc_time = H5D_ALLOC_TIME_LATE; fill->fill_time = H5D_FILL_TIME_IFSET; /* Fill value size */ UINT32DECODE(p, fill->size); /* Only decode the fill value itself if there is one */ if(fill->size > 0) { if(NULL == (fill->buf = H5MM_malloc((size_t)fill->size))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for fill value") HDmemcpy(fill->buf, p, (size_t)fill->size); fill->fill_defined = TRUE; } /* end if */ else fill->size = (-1); /* Set return value */ ret_value = (void*)fill; done: if(!ret_value && fill) { if(fill->buf) H5MM_xfree(fill->buf); fill = H5FL_FREE(H5O_fill_t, fill); } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_fill_old_decode() */ /*------------------------------------------------------------------------- * Function: H5O_fill_new_encode * * Purpose: Encode a new fill value message. The new fill value * message is fill value plus space allocation time and * fill value writing time and whether fill value is defined. * * Return: Non-negative on success/Negative on failure * * Programmer: Raymond Lu * Feb 26, 2002 * *------------------------------------------------------------------------- */ static herr_t H5O_fill_new_encode(H5F_t H5_ATTR_UNUSED *f, uint8_t *p, const void *_fill) { const H5O_fill_t *fill = (const H5O_fill_t *)_fill; FUNC_ENTER_NOAPI_NOINIT_NOERR HDassert(f); HDassert(p); HDassert(fill && NULL == fill->type); /* Version */ *p++ = (uint8_t)fill->version; if(fill->version < H5O_FILL_VERSION_3) { /* Space allocation time */ *p++ = fill->alloc_time; /* Fill value writing time */ *p++ = fill->fill_time; /* Whether fill value is defined */ *p++ = (uint8_t)fill->fill_defined; /* Only write out the size and fill value if it is defined */ if(fill->fill_defined) { UINT32ENCODE(p, fill->size); if(fill->size > 0) if(fill->buf) { H5_CHECK_OVERFLOW(fill->size, ssize_t, size_t); HDmemcpy(p, fill->buf, (size_t)fill->size); } /* end if */ } /* end if */ } /* end if */ else { uint8_t flags = 0; /* Fill value setting flags */ /* Encode space allocation time */ HDassert(fill->alloc_time == (H5O_FILL_MASK_ALLOC_TIME & fill->alloc_time)); flags = (uint8_t)(flags | ((H5O_FILL_MASK_ALLOC_TIME & fill->alloc_time) << H5O_FILL_SHIFT_ALLOC_TIME)); /* Encode fill value writing time */ HDassert(fill->fill_time == (H5O_FILL_MASK_FILL_TIME & fill->fill_time)); flags = (uint8_t)(flags | ((H5O_FILL_MASK_FILL_TIME & fill->fill_time) << H5O_FILL_SHIFT_FILL_TIME)); /* Check if we need to encode a fill value size */ if(fill->size < 0) { /* Indicate that the fill value has been "undefined" by the user */ flags |= H5O_FILL_FLAG_UNDEFINED_VALUE; /* Flags */ *p++ = (uint8_t)flags; /* Sanity check */ HDassert(!fill->buf); } /* end if */ else if(fill->size > 0) { /* Indicate that a fill value size is present */ flags |= H5O_FILL_FLAG_HAVE_VALUE; /* Flags */ *p++ = (uint8_t)flags; /* Encode the size of fill value */ INT32ENCODE(p, fill->size); /* Encode the fill value */ HDassert(fill->buf); H5_CHECK_OVERFLOW(fill->size, ssize_t, size_t); HDmemcpy(p, fill->buf, (size_t)fill->size); } /* end if */ else { /* Flags */ *p++ = (uint8_t)flags; /* Sanity check */ HDassert(!fill->buf); } /* end else */ } /* end else */ FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5O_fill_new_encode() */ /*------------------------------------------------------------------------- * Function: H5O_fill_old_encode * * Purpose: Encode an old fill value message. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Thursday, October 1, 1998 * *------------------------------------------------------------------------- */ static herr_t H5O_fill_old_encode(H5F_t H5_ATTR_UNUSED *f, uint8_t *p, const void *_fill) { const H5O_fill_t *fill = (const H5O_fill_t *)_fill; FUNC_ENTER_NOAPI_NOINIT_NOERR HDassert(f); HDassert(p); HDassert(fill && NULL == fill->type); UINT32ENCODE(p, fill->size); if(fill->buf) HDmemcpy(p, fill->buf, (size_t)fill->size); FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5O_fill_old_encode() */ /*------------------------------------------------------------------------- * Function: H5O_fill_copy * * Purpose: Copies a message from _MESG to _DEST, allocating _DEST if * necessary. The new fill value message is fill value plus * space allocation time and fill value writing time and * whether fill value is defined. * * Return: Success: Ptr to _DEST * Failure: NULL * * Programmer: Raymond Lu * Feb 26, 2002 * *------------------------------------------------------------------------- */ static void * H5O_fill_copy(const void *_src, void *_dst) { const H5O_fill_t *src = (const H5O_fill_t *)_src; H5O_fill_t *dst = (H5O_fill_t *)_dst; void *ret_value; FUNC_ENTER_NOAPI_NOINIT HDassert(src); if(!dst && NULL == (dst = H5FL_MALLOC(H5O_fill_t))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for fill message") /* Shallow copy basic fields */ *dst = *src; /* Copy data type of fill value */ if(src->type) { if(NULL == (dst->type = H5T_copy(src->type, H5T_COPY_TRANSIENT))) HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, NULL, "can't copy datatype") } /* end if */ else dst->type = NULL; /* Copy fill value and its size */ if(src->buf) { H5_CHECK_OVERFLOW(src->size, ssize_t, size_t); if(NULL == (dst->buf = H5MM_malloc((size_t)src->size))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed for fill value") HDmemcpy(dst->buf, src->buf, (size_t)src->size); /* Check for needing to convert/copy fill value */ if(src->type) { H5T_path_t *tpath; /* Conversion information */ /* Set up type conversion function */ if(NULL == (tpath = H5T_path_find(src->type, dst->type, NULL, NULL, H5AC_ind_dxpl_id, FALSE))) HGOTO_ERROR(H5E_OHDR, H5E_UNSUPPORTED, NULL, "unable to convert between src and dst data types") /* If necessary, convert fill value datatypes (which copies VL components, etc.) */ if(!H5T_path_noop(tpath)) { hid_t dst_id, src_id; /* Source & destination datatypes for type conversion */ uint8_t *bkg_buf = NULL; /* Background conversion buffer */ size_t bkg_size; /* Size of background buffer */ /* Wrap copies of types to convert */ dst_id = H5I_register(H5I_DATATYPE, H5T_copy(dst->type, H5T_COPY_TRANSIENT), FALSE); if(dst_id < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, NULL, "unable to copy/register datatype") src_id = H5I_register(H5I_DATATYPE, H5T_copy(src->type, H5T_COPY_ALL), FALSE); if(src_id < 0) { H5I_dec_ref(dst_id); HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, NULL, "unable to copy/register datatype") } /* end if */ /* Allocate a background buffer */ bkg_size = MAX(H5T_get_size(dst->type), H5T_get_size(src->type)); if(H5T_path_bkg(tpath) && NULL == (bkg_buf = H5FL_BLK_CALLOC(type_conv, bkg_size))) { H5I_dec_ref(src_id); H5I_dec_ref(dst_id); HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") } /* end if */ /* Convert fill value */ if(H5T_convert(tpath, src_id, dst_id, (size_t)1, (size_t)0, (size_t)0, dst->buf, bkg_buf, H5AC_ind_dxpl_id) < 0) { H5I_dec_ref(src_id); H5I_dec_ref(dst_id); if(bkg_buf) bkg_buf = H5FL_BLK_FREE(type_conv, bkg_buf); HGOTO_ERROR(H5E_OHDR, H5E_CANTCONVERT, NULL, "datatype conversion failed") } /* end if */ /* Release the background buffer */ H5I_dec_ref(src_id); H5I_dec_ref(dst_id); if(bkg_buf) bkg_buf = H5FL_BLK_FREE(type_conv, bkg_buf); } /* end if */ } /* end if */ } /* end if */ else dst->buf = NULL; /* Set return value */ ret_value = dst; done: if(!ret_value && dst) { if(dst->buf) H5MM_xfree(dst->buf); if(dst->type) H5T_close(dst->type); if(!_dst) dst = H5FL_FREE(H5O_fill_t, dst); } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_fill_copy() */ /*------------------------------------------------------------------------- * Function: H5O_fill_new_size * * Purpose: Returns the size of the raw message in bytes not counting the * message type or size fields, but only the data fields. This * function doesn't take into account alignment. The new fill * value message is fill value plus space allocation time and * fill value writing time and whether fill value is defined. * * Return: Success: Message data size in bytes w/o alignment. * Failure: 0 * * Programmer: Raymond Lu * Feb 26, 2002 * *------------------------------------------------------------------------- */ static size_t H5O_fill_new_size(const H5F_t H5_ATTR_UNUSED *f, const void *_fill) { const H5O_fill_t *fill = (const H5O_fill_t *)_fill; size_t ret_value; FUNC_ENTER_NOAPI_NOINIT_NOERR HDassert(f); HDassert(fill); /* Determine size for different versions */ if(fill->version < H5O_FILL_VERSION_3) { ret_value = 1 + /* Version number */ 1 + /* Space allocation time */ 1 + /* Fill value write time */ 1; /* Fill value defined */ if(fill->fill_defined) ret_value += 4 + /* Fill value size */ (fill->size > 0 ? (size_t)fill->size : 0); /* Size of fill value */ } /* end if */ else { ret_value = 1 + /* Version number */ 1; /* Status flags */ if(fill->size > 0) ret_value += 4 + /* Fill value size */ (size_t)fill->size; /* Size of fill value */ } /* end else */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_fill_new_size() */ /*------------------------------------------------------------------------- * Function: H5O_fill_old_size * * Purpose: Returns the size of the raw message in bytes not counting the * message type or size fields, but only the data fields. This * function doesn't take into account alignment. * * Return: Success: Message data size in bytes w/o alignment. * Failure: 0 * * Programmer: Robb Matzke * Thursday, October 1, 1998 * *------------------------------------------------------------------------- */ static size_t H5O_fill_old_size(const H5F_t H5_ATTR_UNUSED *f, const void *_fill) { const H5O_fill_t *fill = (const H5O_fill_t *)_fill; FUNC_ENTER_NOAPI_NOINIT_NOERR HDassert(fill); FUNC_LEAVE_NOAPI(4 + (size_t)fill->size) } /* end H5O_fill_old_size() */ /*------------------------------------------------------------------------- * Function: H5O_fill_reset_dyn * * Purpose: Resets dynamic fill value fields * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Monday, January 22, 2007 * *------------------------------------------------------------------------- */ herr_t H5O_fill_reset_dyn(H5O_fill_t *fill) { hid_t fill_type_id = -1; /* Datatype ID for fill value datatype when reclaiming VL fill values */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) HDassert(fill); if(fill->buf) { if(fill->type && H5T_detect_class(fill->type, H5T_VLEN, FALSE) > 0) { H5T_t *fill_type; /* Copy of fill value datatype */ H5S_t *fill_space; /* Scalar dataspace for fill value element */ /* Copy the fill value datatype and get an ID for it */ if(NULL == (fill_type = H5T_copy(fill->type, H5T_COPY_TRANSIENT))) HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to copy fill value datatype") if((fill_type_id = H5I_register(H5I_DATATYPE, fill_type, FALSE)) < 0) { H5T_close(fill_type); HGOTO_ERROR(H5E_OHDR, H5E_CANTREGISTER, FAIL, "unable to register fill value datatype") } /* end if */ /* Create a scalar dataspace for the fill value element */ if(NULL == (fill_space = H5S_create(H5S_SCALAR))) HGOTO_ERROR(H5E_OHDR, H5E_CANTCREATE, FAIL, "can't create scalar dataspace") /* Reclaim any variable length components of the fill value */ if(H5D_vlen_reclaim(fill_type_id, fill_space, H5P_DATASET_XFER_DEFAULT, fill->buf) < 0) { H5S_close(fill_space); HGOTO_ERROR(H5E_OHDR, H5E_BADITER, FAIL, "unable to reclaim variable-length fill value data") } /* end if */ /* Release the scalar fill value dataspace */ H5S_close(fill_space); } /* end if */ /* Release the fill value buffer now */ fill->buf = H5MM_xfree(fill->buf); } /* end if */ fill->size = 0; if(fill->type) { H5T_close(fill->type); fill->type = NULL; } /* end if */ done: if(fill_type_id > 0 && H5I_dec_ref(fill_type_id) < 0) HDONE_ERROR(H5E_OHDR, H5E_CANTDEC, FAIL, "unable to decrement ref count for temp ID") FUNC_LEAVE_NOAPI(ret_value) } /* end H5O_fill_reset_dyn() */ /*------------------------------------------------------------------------- * Function: H5O_fill_reset * * Purpose: Resets a message to an initial state. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Thursday, October 1, 1998 * *------------------------------------------------------------------------- */ static herr_t H5O_fill_reset(void *_fill) { H5O_fill_t *fill = (H5O_fill_t *)_fill; FUNC_ENTER_NOAPI_NOINIT_NOERR HDassert(fill); /* Reset dynamic fields */ H5O_fill_reset_dyn(fill); /* Reset value fields */ fill->alloc_time = H5D_ALLOC_TIME_LATE; fill->fill_time = H5D_FILL_TIME_IFSET; fill->fill_defined = FALSE; FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5O_fill_reset() */ /*------------------------------------------------------------------------- * Function: H5O_fill_free * * Purpose: Frees the message * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Thursday, December 5, 2002 * *------------------------------------------------------------------------- */ static herr_t H5O_fill_free(void *fill) { FUNC_ENTER_NOAPI_NOINIT_NOERR HDassert(fill); fill = H5FL_FREE(H5O_fill_t, fill); FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5O_fill_free() */ /*------------------------------------------------------------------------- * Function: H5O_fill_debug * * Purpose: Prints debugging info for the message. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Thursday, October 1, 1998 * *------------------------------------------------------------------------- */ static herr_t H5O_fill_debug(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, const void *_fill, FILE *stream, int indent, int fwidth) { const H5O_fill_t *fill = (const H5O_fill_t *)_fill; H5D_fill_value_t fill_status; /* Whether the fill value is defined */ FUNC_ENTER_NOAPI_NOINIT_NOERR HDassert(f); HDassert(fill); HDassert(stream); HDassert(indent >= 0); HDassert(fwidth >= 0); HDfprintf(stream, "%*s%-*s ", indent, "", fwidth, "Space Allocation Time:"); switch(fill->alloc_time) { case H5D_ALLOC_TIME_EARLY: fprintf(stream,"Early\n"); break; case H5D_ALLOC_TIME_LATE: fprintf(stream,"Late\n"); break; case H5D_ALLOC_TIME_INCR: fprintf(stream,"Incremental\n"); break; case H5D_ALLOC_TIME_DEFAULT: case H5D_ALLOC_TIME_ERROR: default: fprintf(stream,"Unknown!\n"); break; } /* end switch */ HDfprintf(stream, "%*s%-*s ", indent, "", fwidth, "Fill Time:"); switch(fill->fill_time) { case H5D_FILL_TIME_ALLOC: fprintf(stream,"On Allocation\n"); break; case H5D_FILL_TIME_NEVER: fprintf(stream,"Never\n"); break; case H5D_FILL_TIME_IFSET: fprintf(stream,"If Set\n"); break; case H5D_FILL_TIME_ERROR: default: fprintf(stream,"Unknown!\n"); break; } /* end switch */ HDfprintf(stream, "%*s%-*s ", indent, "", fwidth, "Fill Value Defined:"); H5P_is_fill_value_defined((const H5O_fill_t *)fill, &fill_status); switch(fill_status) { case H5D_FILL_VALUE_UNDEFINED: fprintf(stream,"Undefined\n"); break; case H5D_FILL_VALUE_DEFAULT: fprintf(stream,"Default\n"); break; case H5D_FILL_VALUE_USER_DEFINED: fprintf(stream,"User Defined\n"); break; case H5D_FILL_VALUE_ERROR: default: fprintf(stream,"Unknown!\n"); break; } /* end switch */ HDfprintf(stream, "%*s%-*s %Zd\n", indent, "", fwidth, "Size:", fill->size); HDfprintf(stream, "%*s%-*s ", indent, "", fwidth, "Data type:"); if(fill->type) { H5T_debug(fill->type, stream); fprintf(stream, "\n"); } /* end if */ else fprintf(stream, "\n"); FUNC_LEAVE_NOAPI(SUCCEED); } /* end H5O_fill_debug() */ /*------------------------------------------------------------------------- * Function: H5O_fill_convert * * Purpose: Convert a fill value from whatever data type it currently has * to the specified dataset type. The `type' field of the fill * value struct will be set to NULL to indicate that it has the * same type as the dataset. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Thursday, October 1, 1998 * *------------------------------------------------------------------------- */ herr_t H5O_fill_convert(H5O_fill_t *fill, H5T_t *dset_type, hbool_t *fill_changed, hid_t dxpl_id) { H5T_path_t *tpath; /* Type conversion info */ void *buf = NULL, *bkg = NULL; /* Conversion buffers */ hid_t src_id = -1, dst_id = -1; /* Datatype identifiers */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT HDassert(fill); HDassert(dset_type); HDassert(fill_changed); /* No-op cases */ if(!fill->buf || !fill->type || 0 == H5T_cmp(fill->type, dset_type, FALSE)) { /* Don't need datatype for fill value */ if(fill->type) H5T_close(fill->type); fill->type = NULL; /* Note that the fill value info has changed */ *fill_changed = TRUE; HGOTO_DONE(SUCCEED); } /* end if */ /* * Can we convert between source and destination data types? */ if(NULL == (tpath = H5T_path_find(fill->type, dset_type, NULL, NULL, dxpl_id, FALSE))) HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to convert between src and dst datatypes") /* Don't bother doing anything if there will be no actual conversion */ if(!H5T_path_noop(tpath)) { if((src_id = H5I_register(H5I_DATATYPE, H5T_copy(fill->type, H5T_COPY_ALL), FALSE)) < 0 || (dst_id = H5I_register(H5I_DATATYPE, H5T_copy(dset_type, H5T_COPY_ALL), FALSE)) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to copy/register data type") /* * Datatype conversions are always done in place, so we need a buffer * that is large enough for both source and destination. */ if(H5T_get_size(fill->type) >= H5T_get_size(dset_type)) buf = fill->buf; else { if(NULL == (buf = H5MM_malloc(H5T_get_size(dset_type)))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for type conversion") HDmemcpy(buf, fill->buf, H5T_get_size(fill->type)); } /* end else */ /* Use CALLOC here to clear the buffer in case later the library thinks there's * data in the background. */ if(H5T_path_bkg(tpath) && NULL == (bkg = H5MM_calloc(H5T_get_size(dset_type)))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for type conversion") /* Do the conversion */ if(H5T_convert(tpath, src_id, dst_id, (size_t)1, (size_t)0, (size_t)0, buf, bkg, dxpl_id) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "datatype conversion failed") /* Update the fill message */ if(buf != fill->buf) { H5T_vlen_reclaim_elmt(fill->buf, fill->type, dxpl_id); H5MM_xfree(fill->buf); fill->buf = buf; } /* end if */ H5T_close(fill->type); fill->type = NULL; H5_CHECKED_ASSIGN(fill->size, ssize_t, H5T_get_size(dset_type), size_t); /* Note that the fill value info has changed */ *fill_changed = TRUE; } /* end if */ done: if(src_id >= 0 && H5I_dec_ref(src_id) < 0) HDONE_ERROR(H5E_OHDR, H5E_CANTDEC, FAIL, "unable to decrement ref count for temp ID") if(dst_id >= 0 && H5I_dec_ref(dst_id) < 0) HDONE_ERROR(H5E_OHDR, H5E_CANTDEC, FAIL, "unable to decrement ref count for temp ID") if(buf != fill->buf) H5MM_xfree(buf); if(bkg) H5MM_xfree(bkg); FUNC_LEAVE_NOAPI(ret_value); } /* end H5O_fill_convert() */ /*------------------------------------------------------------------------- * Function: H5O_fill_set_latest_version * * Purpose: Set the encoding for a fill value to the latest version. * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Tuesday, July 24, 2007 * *------------------------------------------------------------------------- */ herr_t H5O_fill_set_latest_version(H5O_fill_t *fill) { FUNC_ENTER_NOAPI_NOINIT_NOERR /* Sanity check */ HDassert(fill); /* Set encoding of fill value to latest version */ fill->version = H5O_FILL_VERSION_LATEST; FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5O_fill_set_latest_version() */