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[svn-r14262] Description:

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Correct "off by one" error in computing the size of block to allocate
when the I/O size is less than the memory block size.

Tested on:
      Customer machines, by local developer...
This commit is contained in:
Quincey Koziol 2007-11-15 11:03:37 -05:00
parent bff2b14a05
commit be3ccfa47d
1 changed files with 2 additions and 2 deletions
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4
src/H5FDdirect.c
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@ -976,7 +976,7 @@ H5FD_direct_read(H5FD_t *_file, H5FD_mem_t UNUSED type, hid_t UNUSED dxpl_id, ha
* copy buffer size. Make a bigger buffer for aligned I/O if size is
* smaller than maximal copy buffer. */
if(size < _cbsize)
alloc_size = (size / _fbsize + 1) * _fbsize + _fbsize;
alloc_size = ((size / _fbsize) * _fbsize) + _fbsize;
else
alloc_size = _cbsize;
if (HDposix_memalign(&copy_buf, _boundary, alloc_size) != 0)
@ -1141,7 +1141,7 @@ H5FD_direct_write(H5FD_t *_file, H5FD_mem_t UNUSED type, hid_t UNUSED dxpl_id, h
* smaller than maximal copy buffer.
*/
if(size < _cbsize)
alloc_size = (size / _fbsize + 1) * _fbsize + _fbsize;
alloc_size = ((size / _fbsize) * _fbsize) + _fbsize;
else
alloc_size = _cbsize;