* Replaced many uses of sprintf with safer snprintf
Many very straightforward, but in a few cases added a length parameter to some private functions, because buffer length was otherwise unknowable.
* Removed unnecessary use of static on small buffers
This improves thread safety.
* Committing clang-format changes
Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
* Modify temporary rpath for testing in java example scripts.
* Update URL in source file Copyright headers for web copy of COPYING
file - src and test directories.
1. switched to use the existing H5F_prefix_open_t for enum type;
2. put the common private function used by external.c and external_env.c into external_common.c