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Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r-- | release_docs/RELEASE.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 933bac5..c8fc391 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -126,6 +126,24 @@ Bug Fixes since HDF5-1.8.16 (DER, 2015/12/08, HDFFV-9627) + - The --enable-clear-file-buffers configure option was non-functional so + the feature was always enabled (its default value). + + Regardless of the configure flag, the setting was always enabled when + the autotools were used to configure HDF5. This was due to the "no" + option being processed after the "*" option in configure.ac so "*" + matched first. CMake was unaffected. + + The option now works correctly. + + NOTE that builders are always advised to leave this option enabled. + When disabled, buffers that are written to disk may contain the + memory's previous contents, which may include secure information. + The performance overhead of the feature (a single memset call per + allocation) is minimal. + + (DER, 2016/02/03, HDFFV-9676) + Library ------- - Fixed some format string warnings that prevent compiling with |