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-rw-r--r--src/H5Faccum.c91
1 files changed, 46 insertions, 45 deletions
diff --git a/src/H5Faccum.c b/src/H5Faccum.c
index b9fe3e1..05f6910 100644
--- a/src/H5Faccum.c
+++ b/src/H5Faccum.c
@@ -276,65 +276,64 @@ H5F_accum_write(const H5F_t *f, hid_t dxpl_id, H5FD_mem_t type, haddr_t addr,
if((f->shared->feature_flags & H5FD_FEAT_ACCUMULATE_METADATA) && type != H5FD_MEM_DRAW) {
/* Check if there is already metadata in the accumulator */
if(f->shared->accum.size > 0) {
- /* Check if the piece of metadata being written adjoins or is inside the metadata accumulator */
- if(H5F_addr_overlap(addr, size, f->shared->accum.loc, f->shared->accum.size)) {
- size_t new_size; /* New size of the accumulator buffer */
- size_t old_offset; /* Offset of old data within the accumulator buffer */
-
- /* Check if the new metadata adjoins the beginning of the current accumulator */
- if((addr + size) == f->shared->accum.loc) {
- /* Check if we need more buffer space */
- if((size + f->shared->accum.size) > f->shared->accum.alloc_size) {
- /* Adjust the buffer size, by doubling it */
- f->shared->accum.alloc_size = MAX(f->shared->accum.alloc_size * 2, size + f->shared->accum.size);
-
- /* Reallocate the metadata accumulator buffer */
- if(NULL == (f->shared->accum.buf = H5FL_BLK_REALLOC(meta_accum, f->shared->accum.buf, f->shared->accum.alloc_size)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "unable to allocate metadata accumulator buffer")
+ /* Check if the new metadata adjoins the beginning of the current accumulator */
+ if((addr + size) == f->shared->accum.loc) {
+ /* Check if we need more buffer space */
+ if((size + f->shared->accum.size) > f->shared->accum.alloc_size) {
+ /* Adjust the buffer size, by doubling it */
+ f->shared->accum.alloc_size = MAX(f->shared->accum.alloc_size * 2, size + f->shared->accum.size);
+
+ /* Reallocate the metadata accumulator buffer */
+ if(NULL == (f->shared->accum.buf = H5FL_BLK_REALLOC(meta_accum, f->shared->accum.buf, f->shared->accum.alloc_size)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "unable to allocate metadata accumulator buffer")
#ifdef H5_CLEAR_MEMORY
HDmemset(f->shared->accum.buf + f->shared->accum.size, 0, (f->shared->accum.alloc_size - (f->shared->accum.size + size)));
#endif /* H5_CLEAR_MEMORY */
- } /* end if */
-
- /* Move the existing metadata to the proper location */
- HDmemmove(f->shared->accum.buf + size, f->shared->accum.buf, f->shared->accum.size);
+ } /* end if */
- /* Copy the new metadata at the front */
- HDmemcpy(f->shared->accum.buf, buf, size);
+ /* Move the existing metadata to the proper location */
+ HDmemmove(f->shared->accum.buf + size, f->shared->accum.buf, f->shared->accum.size);
- /* Set the new size & location of the metadata accumulator */
- f->shared->accum.loc = addr;
- f->shared->accum.size += size;
+ /* Copy the new metadata at the front */
+ HDmemcpy(f->shared->accum.buf, buf, size);
- /* Mark it as written to */
- f->shared->accum.dirty = TRUE;
- } /* end if */
- /* Check if the new metadata adjoins the end of the current accumulator */
- else if(addr == (f->shared->accum.loc + f->shared->accum.size)) {
- /* Check if we need more buffer space */
- if((size + f->shared->accum.size) > f->shared->accum.alloc_size) {
- /* Adjust the buffer size, by doubling it */
- f->shared->accum.alloc_size = MAX(f->shared->accum.alloc_size * 2, size + f->shared->accum.size);
+ /* Set the new size & location of the metadata accumulator */
+ f->shared->accum.loc = addr;
+ f->shared->accum.size += size;
- /* Reallocate the metadata accumulator buffer */
- if(NULL == (f->shared->accum.buf = H5FL_BLK_REALLOC(meta_accum, f->shared->accum.buf, f->shared->accum.alloc_size)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "unable to allocate metadata accumulator buffer")
+ /* Mark it as written to */
+ f->shared->accum.dirty = TRUE;
+ } /* end if */
+ /* Check if the new metadata adjoins the end of the current accumulator */
+ else if(addr == (f->shared->accum.loc + f->shared->accum.size)) {
+ /* Check if we need more buffer space */
+ if((size + f->shared->accum.size) > f->shared->accum.alloc_size) {
+ /* Adjust the buffer size, by doubling it */
+ f->shared->accum.alloc_size = MAX(f->shared->accum.alloc_size * 2, size + f->shared->accum.size);
+
+ /* Reallocate the metadata accumulator buffer */
+ if(NULL == (f->shared->accum.buf = H5FL_BLK_REALLOC(meta_accum, f->shared->accum.buf, f->shared->accum.alloc_size)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "unable to allocate metadata accumulator buffer")
#ifdef H5_CLEAR_MEMORY
HDmemset(f->shared->accum.buf + f->shared->accum.size + size, 0, (f->shared->accum.alloc_size - (f->shared->accum.size + size)));
#endif /* H5_CLEAR_MEMORY */
- } /* end if */
+ } /* end if */
- /* Copy the new metadata to the end */
- HDmemcpy(f->shared->accum.buf + f->shared->accum.size, buf, size);
+ /* Copy the new metadata to the end */
+ HDmemcpy(f->shared->accum.buf + f->shared->accum.size, buf, size);
- /* Set the new size of the metadata accumulator */
- f->shared->accum.size += size;
+ /* Set the new size of the metadata accumulator */
+ f->shared->accum.size += size;
+
+ /* Mark it as written to */
+ f->shared->accum.dirty = TRUE;
+ } /* end if */
+ /* Check if the piece of metadata being written overlaps the metadata accumulator */
+ else if(H5F_addr_overlap(addr, size, f->shared->accum.loc, f->shared->accum.size)) {
+ size_t new_size; /* New size of the accumulator buffer */
- /* Mark it as written to */
- f->shared->accum.dirty = TRUE;
- } /* end if */
/* Check if the new metadata is entirely within the current accumulator */
- else if(addr >= f->shared->accum.loc && (addr + size) <= (f->shared->accum.loc + f->shared->accum.size)) {
+ if(addr >= f->shared->accum.loc && (addr + size) <= (f->shared->accum.loc + f->shared->accum.size)) {
/* Copy the new metadata to the proper location within the accumulator */
HDmemcpy(f->shared->accum.buf + (addr - f->shared->accum.loc), buf, size);
@@ -343,6 +342,8 @@ HDmemset(f->shared->accum.buf + f->shared->accum.size + size, 0, (f->shared->acc
} /* end if */
/* Check if the new metadata overlaps the beginning of the current accumulator */
else if(addr < f->shared->accum.loc && (addr + size) <= (f->shared->accum.loc + f->shared->accum.size)) {
+ size_t old_offset; /* Offset of old data within the accumulator buffer */
+
/* Calculate the new accumulator size, based on the amount of overlap */
H5_ASSIGN_OVERFLOW(new_size, (f->shared->accum.loc - addr) + f->shared->accum.size, hsize_t, size_t);