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-rw-r--r--src/H5Tconv.c74
1 files changed, 38 insertions, 36 deletions
diff --git a/src/H5Tconv.c b/src/H5Tconv.c
index 48c3282..723b9f2 100644
--- a/src/H5Tconv.c
+++ b/src/H5Tconv.c
@@ -30,7 +30,6 @@
#include "H5Dprivate.h" /* Datasets */
#include "H5Eprivate.h" /* Error handling */
#include "H5FLprivate.h" /* Free Lists */
-#include "H5HGprivate.h" /* Global Heaps */
#include "H5Iprivate.h" /* IDs */
#include "H5MMprivate.h" /* Memory management */
#include "H5Pprivate.h" /* Property lists */
@@ -3020,17 +3019,16 @@ H5T__conv_vlen(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, size_t nelmts,
hbool_t noop_conv = FALSE; /* Flag to indicate a noop conversion */
hbool_t write_to_file = FALSE; /* Flag to indicate writing to file */
htri_t parent_is_vlen; /* Flag to indicate parent is vlen datatyp */
+ size_t bg_seq_len = 0; /* The number of elements in the background sequence */
hid_t tsrc_id = -1, tdst_id = -1;/*temporary type atoms */
H5T_t *src = NULL; /*source datatype */
H5T_t *dst = NULL; /*destination datatype */
- H5HG_t bg_hobjid, parent_hobjid;
uint8_t *s = NULL; /*source buffer */
uint8_t *d = NULL; /*destination buffer */
uint8_t *b = NULL; /*background buffer */
ssize_t s_stride, d_stride; /*src and dst strides */
ssize_t b_stride; /*bkg stride */
size_t safe; /*how many elements are safe to process in each pass */
- size_t bg_seq_len = 0;
size_t src_base_size, dst_base_size;/*source & destination base size*/
void *conv_buf = NULL; /*temporary conversion buffer */
size_t conv_buf_size = 0; /*size of conversion buffer in bytes */
@@ -3055,13 +3053,13 @@ H5T__conv_vlen(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, size_t nelmts,
HGOTO_ERROR(H5E_DATATYPE, H5E_BADTYPE, FAIL, "not a datatype")
if(H5T_VLEN != src->shared->type)
HGOTO_ERROR(H5E_DATATYPE, H5E_BADTYPE, FAIL, "not a H5T_VLEN datatype")
- if(H5T_VLEN != dst->shared->type)
+ if(H5T_VLEN != dst->shared->type)
HGOTO_ERROR(H5E_DATATYPE, H5E_BADTYPE, FAIL, "not a H5T_VLEN datatype")
if(H5T_VLEN_STRING == src->shared->u.vlen.type && H5T_VLEN_STRING == dst->shared->u.vlen.type) {
if((H5T_CSET_ASCII == src->shared->u.vlen.cset && H5T_CSET_UTF8 == dst->shared->u.vlen.cset)
- || (H5T_CSET_ASCII == dst->shared->u.vlen.cset && H5T_CSET_UTF8 == src->shared->u.vlen.cset))
+ || (H5T_CSET_ASCII == dst->shared->u.vlen.cset && H5T_CSET_UTF8 == src->shared->u.vlen.cset))
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "The library doesn't convert between strings of ASCII and UTF")
- }
+ } /* end if */
/* Variable-length types don't need a background buffer */
cdata->need_bkg = H5T_BKG_NO;
@@ -3179,25 +3177,27 @@ H5T__conv_vlen(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, size_t nelmts,
} /* end else */
for(elmtno = 0; elmtno < safe; elmtno++) {
+ hbool_t is_nil; /* Whether sequence is "nil" */
+
/* Check for "nil" source sequence */
- if((*(src->shared->u.vlen.isnull))(src->shared->u.vlen.f, s)) {
+ if((*(src->shared->u.vlen.cls->isnull))(src->shared->u.vlen.f, s, &is_nil) < 0)
+ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTGET, FAIL, "can't check if VL data is 'nil'")
+ else if(is_nil) {
/* Write "nil" sequence to destination location */
- if((*(dst->shared->u.vlen.setnull))(dst->shared->u.vlen.f, d, b) < 0)
+ if((*(dst->shared->u.vlen.cls->setnull))(dst->shared->u.vlen.f, d, b) < 0)
HGOTO_ERROR(H5E_DATATYPE, H5E_WRITEERROR, FAIL, "can't set VL data to 'nil'")
- } /* end if */
+ } /* end else-if */
else {
- ssize_t sseq_len; /* (signed) The number of elements in the current sequence*/
- size_t seq_len; /* The number of elements in the current sequence*/
+ size_t seq_len; /* The number of elements in the current sequence */
/* Get length of element sequences */
- if((sseq_len = (*(src->shared->u.vlen.getlen))(s)) < 0)
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "incorrect length")
- seq_len = (size_t)sseq_len;
+ if((*(src->shared->u.vlen.cls->getlen))(src->shared->u.vlen.f, s, &seq_len) < 0)
+ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTGET, FAIL, "bad sequence length")
/* If we are reading from memory and there is no conversion, just get the pointer to sequence */
if(write_to_file && noop_conv) {
/* Get direct pointer to sequence */
- if(NULL == (conv_buf = (*(src->shared->u.vlen.getptr))(s)))
+ if(NULL == (conv_buf = (*(src->shared->u.vlen.cls->getptr))(s)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid source pointer")
} /* end if */
else {
@@ -3213,17 +3213,17 @@ H5T__conv_vlen(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, size_t nelmts,
conv_buf_size = ((1 / H5T_VLEN_MIN_CONF_BUF_SIZE) + 1) * H5T_VLEN_MIN_CONF_BUF_SIZE;
if(NULL == (conv_buf = H5FL_BLK_CALLOC(vlen_seq, conv_buf_size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for type conversion")
- }
+ } /* end if */
else if(conv_buf_size < MAX(src_size, dst_size)) {
/* Only allocate conversion buffer in H5T_VLEN_MIN_CONF_BUF_SIZE increments */
conv_buf_size = ((MAX(src_size, dst_size) / H5T_VLEN_MIN_CONF_BUF_SIZE) + 1) * H5T_VLEN_MIN_CONF_BUF_SIZE;
if(NULL == (conv_buf = H5FL_BLK_REALLOC(vlen_seq, conv_buf, conv_buf_size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for type conversion")
HDmemset(conv_buf, 0, conv_buf_size);
- } /* end if */
+ } /* end else-if */
/* Read in VL sequence */
- if((*(src->shared->u.vlen.read))(src->shared->u.vlen.f, s, conv_buf, src_size) < 0)
+ if((*(src->shared->u.vlen.cls->read))(src->shared->u.vlen.f, s, conv_buf, src_size) < 0)
HGOTO_ERROR(H5E_DATATYPE, H5E_READERROR, FAIL, "can't read VL data")
} /* end else */
@@ -3241,9 +3241,14 @@ H5T__conv_vlen(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, size_t nelmts,
/* If we are writing and there is a nested VL type, read
* the sequence into the background buffer */
if(nested) {
- const uint8_t *tmp = b;
+ /* Sanity check */
+ HDassert(write_to_file);
+
+ /* Get length of background element sequence */
+ if((*(dst->shared->u.vlen.cls->getlen))(dst->shared->u.vlen.f, b, &bg_seq_len) < 0)
+ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTGET, FAIL, "bad sequence length")
- UINT32DECODE(tmp, bg_seq_len);
+ /* Read sequence if length > 0 */
if(bg_seq_len > 0) {
if(tmp_buf_size < (bg_seq_len * MAX(src_base_size, dst_base_size))) {
tmp_buf_size = (bg_seq_len * MAX(src_base_size, dst_base_size));
@@ -3251,10 +3256,10 @@ H5T__conv_vlen(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, size_t nelmts,
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for type conversion")
HDmemset(tmp_buf, 0, tmp_buf_size);
} /* end if */
- H5F_addr_decode(dst->shared->u.vlen.f, &tmp, &(bg_hobjid.addr));
- UINT32DECODE(tmp, bg_hobjid.idx);
- if(NULL == H5HG_read(dst->shared->u.vlen.f, &bg_hobjid, tmp_buf, NULL))
- HGOTO_ERROR(H5E_DATATYPE, H5E_READERROR, FAIL, "can't read VL sequence into background buffer")
+
+ /* Read in background VL sequence */
+ if((*(dst->shared->u.vlen.cls->read))(dst->shared->u.vlen.f, b, tmp_buf, bg_seq_len) < 0)
+ HGOTO_ERROR(H5E_DATATYPE, H5E_READERROR, FAIL, "can't read VL data")
} /* end if */
/* If the sequence gets shorter, pad out the original sequence with zeros */
@@ -3268,26 +3273,23 @@ H5T__conv_vlen(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, size_t nelmts,
} /* end if */
/* Write sequence to destination location */
- if((*(dst->shared->u.vlen.write))(dst->shared->u.vlen.f, &vl_alloc_info, d, conv_buf, b, seq_len, dst_base_size) < 0)
+ if((*(dst->shared->u.vlen.cls->write))(dst->shared->u.vlen.f, &vl_alloc_info, d, conv_buf, b, seq_len, dst_base_size) < 0)
HGOTO_ERROR(H5E_DATATYPE, H5E_WRITEERROR, FAIL, "can't write VL data")
if(!noop_conv) {
/* For nested VL case, free leftover heap objects from the deeper level if the length of new data elements is shorter than the old data elements.*/
if(nested && seq_len < bg_seq_len) {
- size_t parent_seq_len;
const uint8_t *tmp;
size_t u;
- /* TMP_P is reset each time in the loop because DST_BASE_SIZE may include some data in addition to VL info. - SLU */
- for(u = seq_len; u < bg_seq_len; u++) {
- tmp = (uint8_t *)tmp_buf + u * dst_base_size;
- UINT32DECODE(tmp, parent_seq_len);
- if(parent_seq_len > 0) {
- H5F_addr_decode(dst->shared->u.vlen.f, &tmp, &(parent_hobjid.addr));
- UINT32DECODE(tmp, parent_hobjid.idx);
- if(H5HG_remove(dst->shared->u.vlen.f, &parent_hobjid) < 0)
- HGOTO_ERROR(H5E_DATATYPE, H5E_WRITEERROR, FAIL, "Unable to remove heap object")
- } /* end if */
+ /* Sanity check */
+ HDassert(write_to_file);
+
+ tmp = (uint8_t *)tmp_buf + seq_len * dst_base_size;
+ for(u = seq_len; u < bg_seq_len; u++, tmp += dst_base_size) {
+ /* Delete sequence in destination location */
+ if((*(dst->shared->u.vlen.cls->del))(dst->shared->u.vlen.f, tmp) < 0)
+ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTREMOVE, FAIL, "unable to remove heap object")
} /* end for */
} /* end if */
} /* end if */
generated by cgit v0.12 at 2024-11-20 03:05:05 (GMT)