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authorQuincey Koziol <koziol@hdfgroup.org>2010-08-20 22:22:40 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2010-08-20 22:22:40 (GMT)
commit0b00c26b027b2d2afd3112d24573ceb767fc8376 (patch)
tree6dfeabd5453da487c6e6473bd24c82895b4496b5 /src/H5Ocopy.c
parent2d7c01d1eb8254c3b5d4977428edcf1c2523bd5e (diff)
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[svn-r19274] Description:
Bring r19272 & 19273 from trunk to 1.8 branch: Close out various resource leaks and usages of uninitialized memory that were flagged by valgrind. [There's still some more valgrind warnings, but it's better now... :-/ ] Also clean up warnings and code formatting. Tested on: FreeBSD/32 6.3 (duty) in debug mode FreeBSD/64 6.3 (liberty) w/C++ & FORTRAN, in debug mode Linux/64-ia64 2.6 (cobalt) w/Intel compilers, w/C++ & FORTRAN, in production mode Mac OS X/32 10.6.4 (amazon) in debug mode Mac OS X/32 10.6.4 (amazon) w/C++ & FORTRAN, w/threadsafe, in production mode Mac OS X/32 10.6.4 (amazon) w/parallel, in debug mode
Diffstat (limited to 'src/H5Ocopy.c')
-rw-r--r--src/H5Ocopy.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/H5Ocopy.c b/src/H5Ocopy.c
index 2238be2..4419bd5 100644
--- a/src/H5Ocopy.c
+++ b/src/H5Ocopy.c
@@ -575,7 +575,15 @@ H5O_copy_header_real(const H5O_loc_t *oloc_src, H5O_loc_t *oloc_dst /*out */,
addr_new = oh_dst->chunk[0].addr;
/* Create memory image for the new chunk */
- if(NULL == (oh_dst->chunk[0].image = H5FL_BLK_MALLOC(chunk_image, (size_t)dst_oh_size)))
+ /* Note: we use calloc() instead of malloc() here because older versions of
+ * some messages don't initialize "unused" bytes and because we want to
+ * write out the same version of the object header and older versions of
+ * object headers aligned messages. In both those situations, it's
+ * complex and error-prone to determine all the proper ways/places to
+ * clear to zero bytes, so we just set the buffer to zero's here.
+ * (QAK - 2010/08/17)
+ */
+ if(NULL == (oh_dst->chunk[0].image = H5FL_BLK_CALLOC(chunk_image, (size_t)dst_oh_size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
/* Set dest. chunk information */