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[svn-r1602] Changes since 19990825

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----------------------

./src/H5O.c				[1.2, 1.3]
	Initialzed the padding area between the end of a message and
	the end of the space allocated for that message. This
	hopefully fixes an UMR error found by Quincey and prevents the
	file from containing unwanted data.

./tools/h5ls.c				[1.2, 1.3]
	Fixed a bug where the `Data:' tag didn't get printed for
	attributes that have more than five values.
This commit is contained in:
Robb Matzke 1999-08-26 09:21:45 -05:00
parent 9b934aa767
commit 833839621a
2 changed files with 10 additions and 2 deletions
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11
src/H5O.c
View File

@ -1587,14 +1587,18 @@ H5O_remove(H5G_entry_t *ent, const H5O_class_t *type, intn sequence)
* Aug 7 1997
*
* Modifications:
*
* Robb Matzke, 1999-08-26
* If new memory is allocated as a multiple of some alignment
* then we're careful to initialize the part of the new memory
* from the end of the expected message to the end of the new
* memory.
*-------------------------------------------------------------------------
*/
static intn
H5O_alloc_extend_chunk(H5O_t *oh, intn chunkno, size_t size)
{
intn idx, i;
size_t delta;
size_t delta, padding;
uint8_t *old_addr;
FUNC_ENTER(H5O_alloc_extend_chunk, FAIL);
@ -1659,6 +1663,7 @@ H5O_alloc_extend_chunk(H5O_t *oh, intn chunkno, size_t size)
oh->mesg = x;
}
delta = MAX(H5O_MIN_SIZE, size+H5O_SIZEOF_MSGHDR(f));
padding = H5O_ALIGN(delta) - delta;
delta = H5O_ALIGN(delta);
idx = oh->nmesgs++;
oh->mesg[idx].type = H5O_NULL;
@ -1678,6 +1683,8 @@ H5O_alloc_extend_chunk(H5O_t *oh, intn chunkno, size_t size)
HRETURN_ERROR (H5E_RESOURCE, H5E_NOSPACE, FAIL,
"memory allocation failed");
}
HDmemset(oh->chunk[chunkno].image+oh->chunk[chunkno].size-padding,
0, padding);
/* adjust raw addresses for messages of this chunk */
if (old_addr != oh->chunk[chunkno].image) {

1
tools/h5ls.c
View File

@ -1213,6 +1213,7 @@ list_attr (hid_t obj, const char *attr_name, void UNUSED *op_data)
info.line_cont = " ";
} else {
printf(" Data:\n");
info.idx_fmt = "(%s)";
info.line_pre = " %s ";
info.line_cont = " %s ";